lOMoARcPSD|33760790

ALE Electrical

Architecture Licensure Examination (University of the Visayas)

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ELECTRICAL
An instrument for measuring the rate of flow of electricity, usually expressed in
1 amperes Ammeter

2 . The current carrying capacity of a wire or cable, expressed in amperes Amperage

3 On a theatre stage, a master switch that distinguishes all stage lights simultaneously. Blackout Switch
The portion of an electric wiring that extends beyond the final over current device
4 protec ng the circuit Feeder Line

An underground structure used in pulling or splicing electric cables which are laid
5 underground. Cable Vault

6 The luminous intensity of a light source, expressed in candelas. Candlepower

7 Flow of electricity in a circuit; the unit of measurement is the ampere. Current
8 In an electric circuit, a current that flows in one direction only Direct Current
In electric wiring a metal plate, water pipe, or other type of conductor buried in the
9 earth in manner ensuring a good conduc ve path to the ground. Grounding Wire

10 A unit of illumination equal to 1 lumen per square foot. Footcandle

11 A movement or flow of electrically charged particles, typically measured in amperes. Electric current
12 What is a utilization equipment which is generally industrial built in? appliances
13 a generator of alternating current alternator
14 device used to measure rate of flow of electricity ammeter
15 device for storing electric energy capacitor
What is a surface, material, device, or object that scatters light or sound from a
16 diffuser
source?
17 device used to transform AC to DC rectifier
18 device that indicates light intensity in Footcandle illumeter –
19 What is a flexible armored conduit used to encase electrical wiring? greenfield
20 controls the flow of current to the distribution elements regulator
21 cap that receives the service drop entrance cap
22 box used for maintaining light control devices utility box
What is an electromagnetic force flowing between the positive and negative
23 flux
terminals?
24 electromotive force voltage
25 number of AC that flow in a conductor phase
26 rate or measure of power used or consumed watt –
27 What is an electric device having a resistance which can be adjusted? rheostat
28 controls the flow of current to the distribution elements regulator
29 instrument used to measure the resistance of a conductor ohmmeter
30 materials that resist the flow of electric current insulator
31 What is the unit for quantity of electricity? coulomb
32 unit of resistance ohm
33 unit of electromotive force volts
34 unit of candlepower candela
35 Standard length of an electrical metal conduit. 10 ft.
Pvt. Automatic Branch
36 PABX or PBX means.
Exchange

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37 Farad is the unit capacity of a ___. Capacitor

38 Another name for distribution panel. Power Panel
39 Standard size of wire for a circuit line. No. 12
40 Standard size of wire for a switch line. No. 14
A device for conver ng alterna ng current to direct
41 Rectifier
current.
42 Another name for a Rectifier. D.C. Generator
Interrela onship between value of voltage and current
43 Phase
with the same frequency.
Minimum wire size in square millimeter for a branch
44 circuit with a 30 ampere ra ng using Type THW stranded 5.5 sqmm
copper conductor in a raceway.
Standard frequency of power supplied by the local
45 60 Cycles
power utility company like Meralco.
The overhead service conductors from the last pole or
other aerial support to and including splices, if any,
46 Service Drop
connec ng to the service entrance conductors at the
building.
Telecommunication
47 The simplest type of building automation system.
System
48 Resistance in alternating current system. Impedance
49 The reciprocal of conductance. Resistance
A rigid metal housing for a group of heavy conductors
50 insulated from each other and the enclosure, also called Busway
Busduct.
A heavy conductor, usually in the form of a solid copper
51 bar, used for collec ng, carrying, and distribu ng large electric Bus
currents, also called a busbar.
An approved assembly of insulated conductors with fiûng
and conductor termina ons in completely enclosed ven lated
52 protec ve metal housing where the assembly is designed to Busway
carry fault current and to withstand the magne c forces of such
current.
A box with a blank cover which serves the purpose of
joining one different runs of raceways or cables and provided
53 Pull Box
with sufficient space for connec on and branching of the
enclosed conductors.
This shows the ver cal rela onships of all panels, feeders,
switches, switchboards, and major components are shown up
54 Riser Diagram
to, but not including, branch circui ng, it is an electrical
version of a vertical section taken through the building.
In a lightning protec on system, the combina on of a
55 metal rod and its brace or foo ng, on the upper part of a Air Terminal
structure.
Moisture resistant, in
56 TW in electrical wire specification means.
wet and dry location
Moisture and Heat
57 XHHN in wire specification means. Resistant- Cross-Linked
Thermosetting
58 Mho as used in electrical systems calculation is defined as _______. the reciprocal of ohm

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A unit of mechanical power is horsepower. What is electrical

59 Watt
power?
Who said these prophe c words: “Let the future tell the truth
and evaluate each one according to his work and accomplishment.
60 Nikola Tesla
The present is theirs, the future for which I really worked for is
mine.”?
A type of raceway specially constructed for the purpose of pulling Rigid metal conduit
61
in or the withdrawing of wires or cables after the conduit is in place. (RMC)
The trade name for an insulated conductor with type le er THHN Heat resistant
62
is ______. thermoplastic
What is / are the advantage/s of a circuit breaker over a fuse?
a. It can act as a switch
63 b. Its posi on can be easily detected (close/open) All of these
c. It can be used again a er fault has been corrected
d. All of these
What switch combina on may be used in order to control a lamp
64 2-s3w and 1-s4w
or group of lamps in three different locations?
Low resistance, high
65 It characterizes short circuit
current
A unit or assembly units or sec ons and associated fiûngs
66 Cable tray
forming a rigid structural system used to support cables.
Fusible material in a fuse may be made of any of the following
67 Silver
except___.
It affects the resistance of a conductor.
a. Length
68 All of the above
b. Area
c. Temperature
69 It is also known as electric panel or load center. Panelboard
A cylindrical conduit or conductor, the wall thickness is sufficient
70 Conduit
to receive a standard pipe.
A factory assembly of one or more conductors, each individually
metal clad cable (type
71 insulated and enclosed in a metallic sheath of interlocking metal
MC)
tape, or a smooth corrugated metallic tube.
72 It is analogous to pressure in water flow. Current
Alterna ng current is characterized as having _____.
a. Posi ve and nega ve polarity
73 All of these
b. Average value is zero c. Has frequency
d. All of these
A circuit type where components are electrically connected end
74 Series circuit
to end.
The over-all covering of underground feeder and branch circuit a. Fungus resistant
75
cables shall be ____. b. Corrosion resistant
76 The basic elements of an electric circuit are the following except Switch
A factory assembly of two or more insulated conductors having an Non metallic sheathed
77 outer sheath of moisture-resistant, flame retardant, non metallic cable (type NM and
material. NMC)
Cables are conductors that are ____.
78 a. Larger than wires Both a and b
b. Stranded (no.6 AWG and larger)
Which of the following metallic materials is considered as the
79 Gold
best conductor of electricity?

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Example/s of conductors-on-insulator wiring is are ______.

80 a. Concealed knob and tube Both a and b
b. Open wiring on insulators
A type of surface flush raceway designed to receive conductors
81 Multi-outlet assembly
and receptacles assembled in the field or in the factory.
A type of switch used for transferring one or more load conductor
82 Transfer switch
connections from one power source to another.
The part of the cut out that is design to open or break an electrical current under an
83 CIRCUIT BREAKER
excessive load
84 Unit of power WATTS
85 The unit used in the measure of the rate of flow of electricity AMPERE
86 This is where an electric service conductor can be installed TOWER OR FLATFORM
A type of electric switch consisting of one or more movable copper blades which are
87 hinged and which make contact with stationary forked contract jaws being forced KNIFE SWITCH
between them
88 Provision for building with an expected electric load demand of 200KVA TRANSFORMER VAULT
89 The conversion of alternating current (AC) to direct current (DC) RECTIFIER
RAPID START
90 A kind of flourescent lamp that does not use starter element
FLOURESCENT LAMP
91 An iron box or casing by which electrical conduit branches are formed JUNCTION BOX
92 A passenger elevator with a constant 24 hour service for residential condominum 5 STOREYS

93 Minimum service drop of connection line above the ground and from the ground 3.00 m
Minimum distance of poles and transformer support located from the road right of
94 500 mm
way
95 A vertical flow of air used to separate different function of spaces AIR CURTAIN
96 Original name of P-Trap GOOSENECK
97 The main feed line of an electrical circuit to which branch circuits are connected DISTRIBUTION LINE
98 The minimum width of door in hospital housing unit 1.20m
99 Another type of circuit breaker element other than bolt-on PLUG IN TYPE
100 The most practical conductor of electricity COPPER WIRE
101 A channel system in carrying electrical wire RACEWAY
An electric conductor consisting of a group of smaller diameter conductor strands
102 CABLE WIRE
twisted together
103 Another name for power panel DISTRIBUTION PANEL
104 A device used to convert voltage from higher to lower or vise versa TRANSFORMER
105 Metal containing no iron such as copper, brass and aluminum NON FERROUS METAL
The minimum allowance clearance from the highest point of the roof to the service
106 2.50m
drop conductor from NBC
STEP DOWN
107 To bring down voltage
TRANSFORMER
108 Wiring not concealed by the building sructure OPEN WIRING
Transferring the power load from the building circuitry to standby generator or during AUTOMATIC TRANSFER
109
brownout SWITCH
110 One with contacts that separate in air AIR SWITCH
111 The voltage across the welding arc ARC VOLTAGE
Cable provided in wrapping of metal usually steel wires or tapes, primarily for the
112 ARMORED CABLE
purpose of mechanical protection

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A synthetic non-flammable insulating liquid which, when decomposed by an elctric arc

113 ASKAREL
evolves only non-explosive gases
Is combination of all or a portion of component parts included in an electric apparatus,
114 ASSEMBLY
mounted on a supporting frame or panel and properly interwined
115 Minimum load over a given period of time BASE LOAD
That portion of a wiring system extending beyond the final overcurrent device
116 BRANCH CIRCUIT
protecting the current
Is a conductor, or group of conductors, in switchgear assemblies which serves as a
117 BUS
common connection for two or more circuit
Approved assembly of insulated conductors with fitting and conductor terminations in
118 a completely enclosed, ventilated protective metal housing where the system is design BUSWAY
to carry fault current and to withstand the magnetic forces of the current
System of conductor forming an essentially continuous conducting network over the
119 object protected and including any conductors necessary for interconnections of the CAGE
object protected and an adequate ground
A device design to open under abnormal conditions a current carrying circuit without
120 CIRCUIT BREAKER
injury itself
A wire or combination of wires not insulated from one another suitable for carrying
121 CONDUCTOR
electric current
A device or group of devices which serves to govern in some predetermined manner,
122 CONTROLLER
the electric power delivered to the apparatus to which it is connected
A luminous discharge due to ionization of the air surrounding a conductor caused by
123 CORONA
voltage gradient exceeding a certain critical value
124 A metal housing that houses the circuit breaker or fuses; surface mounted CUT OUT BOX
Is the ratio of the maximum demand of the system or part of the system to the total
125 DEMAND FACTOR
connected load of the system
126 A unit of electrical system which is intended to carry but not utilize electrical energy DEVICE
127 A single enclosed runway for conductor cables DUCT
128 Machine which transforms electric power into mechanical power ELECTRIC MOTOR
The circuit conductors between the service equipment or the generator switchboard
129 FEEDERS
of an isolated plant and the branch circuit overcurrent device
Unit of illumination when the foot is taken as the unit of length. It is the illumination
130 on a surface one square foot in area in which there is uniformly distributed flux of one FOOTCANDLE
lumen
An overcurrent protective device with a circuit opening fusible member which is
131 FUSE
heated and severed by the passage of the overcurrent through it
132 Types of lighting that deals with lighting relatively large area covered GENERAL LIGHTING
133 Density of the luminous flux on a surface ILLUMINATION
Is a form of air switch in which the moving element is a hinge blade wedge between
134 KNIFE SWITCH
stationary contact blades when closed
135 Artificial source of light LAMP
136 Device for mechanical support of light LAMPHOLDER
137 A radiant energy LIGHT
Protective device for limitting surge voltage on equipment by discharging or by-passing
138 LIGHTNING ARRESTER
surge current
139 Is a transient electric disturbance in an electric circuit caused by lightning LIGHTNING SURGE
140 Is the radial branch connection to a main line LINE TAP

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Is the ratio of the average load over a designated period of time to the peak load
141 LOAD FACTOR
occuring in that period
142 Unit of luminous flux LUMEN
143 A unit of illumination equal to one lumen per square meter LUX
144 Point of the wiring system at which current is taken to supply utilization equipment OUTLET
145 A metal box at an outlet which encloses one or more receptacle OUTLET BOX
146 Maximum load consumed by a unit in a stated period of time PEAK LOAD
Device or equipment which is supended from overhead either by means of the flexible
147 PENDENT
cord
Auxillary conductor used in connection with remote measuring devices for operating
148 PILOT WIRE
apparatus at a distant point
Box with a blank cover which is inserted in one or more runs of raceway to facilitate
149 PULLBOX
pulling in the conductors and the distributing of the conductors
150 Any channel for holding wires, cables or busbars RACEWAY
Convinience Outlet; Contact device installed at an oulet for the connection of an
151 RECEPTACLE
attachment plug
A raceway especially constructed for the purpose of physical protection of conductors,
152 the pulling in or the conduit is in place and made of metal pipe of standard width and RIGID METAL CONDUIT
thicknesswithdrawing of wires or cables after the
Enclosure of porcelain or other insulating material fitted with terminals and intended
153 ROSETTE
for connecting the flexible cord carrying a pendent to permanent wiring

The overhead service conductor from the last pole or other aerial support to and
154 SERVICE DROP
including splices if any connecting to the service entrance conductors at the building
155 The raceway that encloses the service entrance conductors SERVICE RACEWAY
156 Cable designed for service under water SUBMARINE CABLE
157 Is a transient variation in the current potential or power SURGE
Minimum wire size of THW stranded copper conductor in raceway for a branch circuit
158 5.5 mm2
in a 30 ampere rating
SINGLE PHASE TO
This connetions is used where the load is comparatively small and the length of the
159 SUPPLY 120 V LIGHTING
secondary circuit is short
LOAD
SINGLE PHASE TO
SUPPLY 120/240 3-WIRE
160 This connections is used in most urban distribution circuits
LIGHTING AND POWER
LOAD
The 120/240 volt winding is connected in series serving 240 volts on a two wire SINGLE PHASE FOR
161
system, this connection is used for small industrial applications POWER
Consist merely of two single phase transformers operated 90deg out of phase, the TWO PHASE
162
common wire must carry /2 times the load current CONNECTIONS
This is used to supply a single phase lighting load and three phase power load DELTA-DELTA FOR
163
simultaneously POWER AND LIGHTING
This connection is used when single phase lighting load is large as compared with the OPEN DELTA FOR
164
power load LIGHTING AND POWER
Often it is desirable to increase the voltage of a circuit form a 2400 to 4160 volts to
165 Y DELTA FOR POWER
increase its potential capacity

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This connection is similar to the delta-delta bank with only the primary connection
changed The primary neutral should not be grounded or tied into the system neutral, Y DELTA FOR LIGHTING
166
since a single phase ground fault may result in extensive blowing of fuses throughout AND POWER
the system This connection requires special watt-hour metering
When operating Y delta and one service is disabled, service maybe maintained at
167 OPEN Y DELTA
reduced load
The single phase lighting load is all on one phase resulting in unblanced primary DELTA Y FOR LIGHTING
168
currents in any one bank AND POWER
The primary voltage was increased from 2400 to 4160 volts to increase the potential Y-Y FOR LIGHTING AND
169
capacity of the system POWER
When the ratio of transformation from the primary to secondary voltage is small, the
170 Y-Y AUTO TRANSFORMER
most economical way of stepping down the voltage
SCOTT CONNECTION
171 In some localities two phase power is required from three phase system
3PHASE TO 2PHASE
If it should be necessary to supply three phase power from a two phase system, the SCOTT CONNECTED
172
special tap must be provided on the secondary side 2PHASE TO 3PHASE
173 Thermoplastic T
174 Moisture Temperature Resistant TW
175 Underground Feeder UF
176 Flourinated Ethylene Propylene Moisture Resistant FEPW
177 Heat Resitant Rubber RH
178 Heat and Moisture Resistant Rubber RHW
179 Heat Resistant Latex Rubber RUH
180 Moisture and Heat Resistant Thermoplastic THW
181 Heat and Moisture Resistant Thermoplstic with Nylon THWN
182 Moisture and Heat Resistant Cross Link Polymer XHHW
183 Armored Cable BX
184 THERMOPLASTIC HEAT RESISTANT THHN
185 POLYETHELENE PE
186 SILICON ASBESTOS SA
187 ASBESTOS AND VARNISH CAMBRIC AVA
188 Use low melting point solders or metal the expand when exposed to heat to detect fire FIXED TEMPERATURE
189 135deg-197deg F HEAT DETECTOR
Use of the scattering of light by smoke into view of photo cell through incandescent or PHOTO ELECTRIC
190
diode DETECTOR
It responds to the high-frequency radiant energy from flames. Alarm is only triggered INFRARED FLAME
191
when IR energy flickers at rate which is chracteristics of flame DETECTOR
Uses the interruption of small current flow between electrodes by smoke in ionized IONIZATION SMOKE
192
sampling HEAT
193 chamber to detect fire DETECTOR
Fabricated assembly of insulated conductors enclosed in flexible metal sheath. It is
194 ARMOR CABLE (AC)
used both on exposed and concealed work
A factory assemble cable of one or more conductors each individualy insulated and
enclosed in a mettalic sheath of interlocking tape of smooth or corrugated tube. This
195 METAL CLAD CABLE (MC)
type of cable is especially used for service feeders, branch circuit and for indoor,
outdoor work

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Is a factory assembly of one or more conductors insulated with highly compressed

refractory mineral insulation enclosed in a liquid and gas tight continous copper MINERAL INSULATED
196
sheath. This type of cable is used in dry, wet or continously moist location as service CABLE (MI)
feeders or branch circuit
Is a also a factory assembly of two or more insulated conductors having a moisture
NON METALLIC SHEATED
197 resistant, flame retardant and non metallic material outer sheath. This type is used
CABLE (NM)
specifically for one or two family dwellings not exceeding 3 storey building
This type of cable is factory assembly of two or more insulated conductors in an
SHIELDED NON
extruded core of moisture resistant and flame retardant material covered within an
198 METALLIC SHEATED
overlapping spiral metal tape. This type is used in hazardous locations and in cable
CABLE (SNM)
trays or in raceways
Is a moisture resistant cable used for underground connections including direct burial UNDERGROUND FEEDER
in the ground as feeder or branch circuit This is factory assembled two or more AND BRANCH CIRCUIT
199 insulated conductors with or without associated bare or covered or grounding under a (UF) POWER AND
mettalic sheath, This is used for installation of cable trays, raceways, or it is supported CONTROL TRAY CABLE
by messenger wire (TC)
Is an assembly of parallel conductors formed integrally with insulating material web FLAT CABLE ASSEMBLY
200
designed especially for field installation in metal surface or raceways (FC)

Consist of three or more flat copper conductor placed edge to edge separated and
enclosed with an insulating assembly. This type of cable is used for general purposes FLAT CONDUCTOR CABLE
201
such as: appliance branch circuit, and for individual branch circuits, especially in hard (FCC)
smooth continous floor surfaces and the like
Is a single or multi conductor solid dielectric insulated cable rated at 2,000 volts or MEDIUM VOLTAGE
202
higher. This type is used for power system up to 35,000 volts CABLE (MV)
Part of the facility which accept the house cable riser and house the terminal block at TELEPHONE TERMINAL
203
each floor and at the highest or end of a feeder riser cable CABINET
Is the simplest type of building automation system, which intercoms, PABX,
TELECOMMUNICATION
204 microwave links, analog and digital telephone system, video conferencing, satellite
SYSTEM
links, structured cabling and similar devices
SINGLE POLE SWITCH AT
START, 3-WAY SWITCH
Two lights in a long hallway connected in parallel are to be controlled simultaneously
205 AT MIDPOINT AND
at three points
SINGLE POINT SWITCH
AT END
Factory assembled of two or more insulated conductors w/ or w/o associated bare
POWER AND CONTROL
206 cover ground conductor under a non metallic sheath approved forr installation in cable
TRAY CABLE TYPE
trays, in raceways or in supported by a messenger wire
207 Heat Resistant Rubber / 75 degrees RH
Light source used in lighting fixtures best specified in areas such as those requiring high
208 METAL HALIDE
illumination levels for detailed work such as needle work
A transformer location required in some localities, where a three phase power is SCOTT CONNECTION 2
209
required from a two phase system PHASE TO 3 PHASE
210 Moisture Resistant Thermoplastic / 60 degrees TW
211 Type of switch where pilot light inside a lit to guide the person inside ILLUMINATED SWITCH
Ampacity of an insulated copper conductor, based on ambient temperature of
212 85 amperes
30degrees w/a 22 sq.m cross sectional area in size for USE

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Main power supply and wiring system for 110/220 volt line; which wiring diagram fits
213 DRAWINGS
(drawing)
Ampacity of an insulated copper conductor, based on ambient temperature of
214 15 amperes
30degrees w/a 2.0 sq.m cross sectional area in size for TW
PVC IS ALLOWED FOR AS
LONG AS BOTH BURIAL
Best suited for Rigid Nonmetallic Conduit like PVC for underground installation in DEPTH OF NO LESS
215
buildings 460mm AND CONCRETE
ENCASEMENT IS
PROVIDED
Required minimum vertical clearance of an overhead service drop measured from the
216 ground over residential and comercial properties and driveways not subjected to truck 5.500 mm
traffic and over 600 volts to ground
Approved assembly of insulated conductors with fitting and conductor terminations in
217 a completely enclosed, ventilated protective metal housing where the system is design BUSWAYS
to carry fault current and to withstand the magnetic forces of such current
A raceway especially constructed for the purpose of physical protection of conductors,
218 the pulling in or the withdrawing of wires or cables after the conduit is in place and RIGID STEEL CONDUIT
made of metal pipe of standard width and thickness
219 System of voltage used for computing branch circuits and feeder load 120/240 VOLTS
Natural energy source derived from force of wind acting on oblique blades that
220 WINDMILL
radiates froma shaft attached to a dynamo to produce electricity
A point in th electrical system where the electrical load of a given area is assumed to
221 PANEL BOARD
concentrate
Alternating current generated by the alternator where its wave rises to the peak, sinks
SINGLE PHASE
222 to zero, drops to the negative peak and rises again to zero a number of times each
ALTERNATING CURRENT
second depending on the frequency for which the machine is designed

Alternating current where the alternator comprises of windings mounted at right

TWO PHASE
223 angles to each other and provided with separate external connections current waves
ALTERNATING CURRENT
will be produced and each of which will be at its maximum when the other is zero

224 Minimum conductor size for for overhead service drop for copper wire or cable 2.2, 30, 8, 14
225 Underground Feeder, 60-75 degrees C UF
226 Moisture and Heat Resistant Thermoplastic used for dry and wet locations THW
Vertical vent pipes take in front of the last fixture and connects to its soil stack which
227 CIRCUIT VENT
acts as a vent
A device designed to open and close a circuit by non automatic means and to open the
228 circuit automatically on predetermined over current without damaged to itself when CIRCUIT BREAKER
properly applied within its rating
229 The raceway that encloses the service entrance conductors SERVICE RACEWAY
A transformer connection which is ideal in the event of change of primary voltage from Y-Y FOR LIGHTING AND
230
2400 volts to 4160 volts to increase the potential capacity of the system POWER

Maximum allowed ampere rating of one chord or plug utilization equipment

231 24 AMPERE
connected in a 30 ampere branch circuit for lighting or utilization equipment

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Minimum wire size in sq.mm type THW stranded copper conductor in raceway for a
232 5.5 sq.mm
branch circuit with 30 ampere rating
Minimum vertical clearance of an overhead service drop measured from the ground,
at the electrical service entrance or above areas or sidewalks accesible only to
233 pedestrian lanes, measure from final grade line or other accesible surface only for 3500mm
service drop cabled together with a grounded bare messenger wire and limited to 300
volts to ground
Minimum ampacity of feeder conductor with a load of more than two wire branch
234 30 amperes
circuit supplied by a 3-wire feeder but not exceed the computed branch circuit load
Minimum wire size in sq.mm type TW copper conductor in raceway for a branch circuit
235 3.5 sq.m
with 20 ampere rating
Ampacity of an insulated copper conductor, based on ambient temperature of
236 45 Amperes
30degrees w/a 8 sq.m cross sectional area in size for THW
A branch circuit consisting of two or more grounded conductors having a potential
MULTI WIRE BRANCH
237 difference between them, and a grounded conductor having equal potential difference
CIRCUIT
between it
PRESSURIZED WATER
238 A type of water coolant operates at a pressure of about 150 atmospheres
REACTOR
239 A unit of electrical system which is intended to carry but not utilize electrical energy DEVICE

Approved assembly of insulated conductors with fitting and conductor terminations in

240 a completely enclosed, ventilated protective metal housing where the system is design BUSWAYS
to carry fault current and to withstand the magnetic forces of such current
241 Standard frequency of water supply by the company like Meralco 60 CYCLES
242 Underground Service Entrance / 75degrees USE
The overhead service conductor from the last pole or other aerial support to and
243 including the splices, if any connecting to te service entrance conductors at the SERVICE DROP
building
A type of nuclear reactor where the water coolant is permitted to boil within the core BOILING WATER
244
by operating at somewhat low pressure REACTOR
In a 240V, a three phase 3-wire service, branch cicuits are loaded and distributed to
245 BALANCE LOADING
each of the three phase with this objective to attain
Unit or assembly of unit sections and associated fittings forming a rigid structural
246 CABLE TRAYS
system used to support cables
A transformer connection where the secondary load is a combination of lighting and
OPEN DELTA FOR
247 power. This connection is used when the single phase lighting is large as compared
LIGHTING AND POWER
with the power load
A useful transformer connection applied when single phase lighting load is all on one DELTA Y FOR LIGHTING
248
phase resulting into unbalanced primary AND POWER
Type of flexible cable which is a fabricated assembly of insulated conductors which
249 ARMOR CABLE TYPE ACL
permit its use at exposed weather or excessive moisture
A type of alternating current where the alternator comprises the three armature
THREE PHASE
250 windings set at 120 degrees to each other, current will be produced in the form of
ALTERNATING CURRENT
triple wave
251 Minimum branch circuit rating for household ranges and cooking appliance 30 amperes
252 Type of sound absorbent best for lower band frequencies POROUS ABSORBENT
253 Unit of frequency which is equal to one cycle per second HERTZ

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A type of alternating current generated by alternator, where its wave rises to its peak,
SINGLE PHASE
254 sinks to zero, drop to a negative peak and rises again to zero a number of times each
ALTERNATING CURRENT
seconds depending on the frequency of the machine is designed
2" WYE AND 2 x 1/8
255 Use to accept the P-trap assembly of the lavatory
BEND COMBINATION
NUMBER OF BRANCH
256 A parameter in sizing horizontal branch pipe
VENTS
Two lights in a long hallway connected in parallel are to be controlled simultaneously SINGLE POLE SWITCH AT
257
at START,
3-WAY SWITCH AT
258 three points
MIDPOINT AND
Main power supply and wiring system for 110/220 volt line; which wiring diagram fits
259 DRAWINGS
(drawing)
Pre requisite in use of
A CLEARANCE OF NOT LESS THAN 76mm SHALL BE MAINTAINED BETWEEN
260 split knob and tube
CONDUCTORS AND NOT LESS THAN 26mm
wiring
A branch circuit consisting of two or more grounded conductors having a potential
MULTI WIRE BRANCH
261 difference between them, and a grounded conductor having equal potential difference
CIRCUIT
between it
What is the maximum horizontal range between two or more air terminal for lightning
262 6000mm to 7600mm
arrest for an effective disaster prevention in building
Required minimum vertical clearance of an overhead service drop measured from the
263 ground over residential and comercial properties and driveways not subjected to truck 5500 mm
traffic and over 600 volts to ground
Minimum vertical clearance of an overhead service drop measured from the ground,
at the electrical service entrance or above areas or sidewalks accesible only to
264 pedestrian lanes, measure from final grade line or other accesible surface only for 3500mm
service drop cabled together with a grounded bare messenger wire and limited to 300
volts to ground
Maximum allowed ampere rating of one chord or plug utilization equipment
265 24 amperes
connected in a 30 ampere branch circuit for lighting or utilization equipment

Minimum ampacity of feeder conductor with a load of more than two wire branch
266 30 amperes
circuit supplied by a 3-wire feeder but not exceed the computed branch circuit load
Ampacity of an insulated copper conductor, based on ambient temperature of
267 85 amperes
30degrees w/a 22 sq.m cross sectional area in size for USE
Ampacity of an insulated copper conductor, based on ambient temperature of 30
268 45 amperes
degreesw/a 8.0 sq.m cross sectional area in size for THW
Ampacity of an insulated copper conductor, based on ambient temperature of
269 15 amperes
30degrees w/a 2.0 sq.m cross sectional area in size for TW
Minimum wire size in sq.mm type THW stranded copper conductor in raceway for a
270 5.5 sq.mm
branch circuit with 30 ampere rating
Minimum wire size in sq.mm type TW copper conductor in raceway for a branch circuit
271 3.5 sq.m
with20 ampere rating
272 Minimum branch circuit rating for household ranges and cooking appliance 30 amperes
A device that is basically a double throw switch of generally 3-pole connection that will
Automatic Transfer
273 automatically transfer the power from the standby generator to the building circuitry
Switch (ATS)
during electrical power failure.

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Moisture resistant, in
274 TW in electrical wire specification means.
wet anddry location
A type of lighting that provides illumination to special objects like sculptures, flower
275 Specific Lighting
arrangements, etc.
Moisture and Heat
276 XHHN in wire specification means. Resistant- Cross-Linked
Thermosetting
277 Standard length of an electrical metal conduit. 10'
278 The other type of flame detector other than the ultraviolet type. Infra Red
Pvt. Automatic Branch
279 PABX or PBX means.
Exchange
280 Farad is the unit capacity of a ___. Capacitor
281 Another name for distribution panel. Power Panel
282 Standard size of wire for a circuit line. No. 12
283 Standard size of wire for a switch line. No. 14
284 Interrelationship between value of voltage and current with the same frequency. Phase
Descriptive of any material such as synthetic resin which hardens when heated or
285 Thermosetting
cured, and does not soften when reheated.
Minimum wire size in square millimeter for a branch circuit with a 30 ampere rating
286 5.5 sqmm
using
287 Type THW stranded copper conductor in a raceway. 5.5 sqmm
288 Standard frequency of power supplied by the local power utility company like Meralco. 60 Cycles

The overhead service conductors from the last pole or other aerial support to and
289 Service Drop
including splices, if any, connecting to the service entrance conductors at the building.
Telecommunication
290 The simplest type of building automation system.
System
291 A fire detector installed in a fire alarm system which uses low melting point solders or Fixed Temperature
292 metal that expands when exposed to heat to detect a fire. Heat Detector
293 A private telephone system that interconnects with public telephone systems. PABX
294 Resistance in alternating current system. Impedance
295 The reciprocal of conductance. Resistance
A rigid metal housing for a group of heavy conductors insulated from each other and
296 Busway
the enclosure, also called Busduct.
A heavy conductor, usually in the form of a solid copper bar, used for collecting,
297 Bus
carrying, and distributing large electric currents, also called a busbar.

An approved assembly of insulated conductors with fitting and conductor terminations

298 in completely enclosed ventilated protective metal housing where the assembly is Busway
designed to carry fault current and to withstand the magnetic forces of such current.

299 A type of perimeter detector which detects object in heat range of body temperature. Passive Infrared
300 A type of perimeter detector which detects interruption of light beam. Light Beam
301 A type of perimeter detector which detects change in sound wave pattern. Ultrasonic

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A box with a blank cover which serves the purpose of joining one different runs of
302 raceways or cables and provided with sufficient space for connection and branching of Pull Box
the enclosed conductors.
A type of perimeter detector which is subject to false alarm from aircraft radar and
303 from movement outside building through window, wood doors, and the like. It uses Microwave
radio waves.
304 This type of perimeter detector uses both the Passive infrared and Ultrasonic or Passive Infrared with
Ultrasonic (or
305 Microwave system.
Microwave)
This type of perimeter detector detects a change in capacitance of the area covered,
306 Proximity / Capacitance
caused by intrusion.
A high intensity discharge lamp in which the light is produced by the radiation from a
307 Metal Halide Lamp
mixture of a metallic vapor, similar to that of a mercury lamp in construction.

A type of lamp popular for lighting commercial interiors, uses argon gas to ease
308 Mercury Lamp
starting, it produces light by means of an electric discharge in mercury vapor.
A type of lamp which produces light by means of the reaction of halogen additive in
309 Tungsten Halogen Lamp
the bulb reacts with chemically with tungsten.
High-Pressure-Sodium
310 A type of lamp generally used for roadways and sidewalks, uses sodium gas.
(HPS)
311 Building with fire alarm and suppression system. Intelligent Building
In a lightning protection system, the combination of a metal rod and its brace or
312 Air Terminal
footing, on the upper part of a structure.

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