Philippine Electrical Code “THE ESTABLISHED LEADER IN EE REVIEW” LEGIT MULTIVECTOR Review and Training Center Ground Floor, Cuevasville Tower F. Cayco corner Earnshaw St. Sampaloc, Manila Tel, No, (02) 8731-7423LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE PHILIPPINE ELECTRICAL CODE (PEC) ‘As embodied in the provision of the Philippine Electrical Code, strict compliance in the application is ‘mandatory fo ensure safety in electrical installation and construction PEC consist of two parts. Parone consist of sets of rules which eguiat electrical installation done INSIDE the building, Part two consist of sets of rules which regulate electrical installation done OUTSIDE the building The rules are of two categories MANDATORY RULES ~ characterized by the used of the word SHALL ADVISORY RULES - characterized by the used of the word SHOULD SCOPE OF PEC Public and Private Buildings 8. Watercraft Electrical Generating Plant 9. Dockyard Industrial Plant 10. Airfields ‘Temporary and Permanent substation 11. Quarries and Mines ‘Transformer station 12: Mobile homes and recreational vehicle Railway Switchyard 13. Offshore facilities ‘Carnivals, Parking lots Yards ete 14. Trailers NOT COVERED BY PEC Railway r Motor Vehicles Airoraft REFERRAL CODE OF PEC PD 1096- National Building Code PDI185- Fire Code of the Phil ‘Structural Code ‘What Covers Electrical Inspection Reliability Stability Suitability of the design Mechanical Strength Spaces and dimensions Grounding Insulation Heating effect Arcing effect Pilppine Electrical Code Page|LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE ). Availability for replacement Safety Class, typo, sizes, ampasity, voltage and specific use METHODS OF WIRING Raceway for genera use 1. Rigid metatie tubing 2 Intermediate metalic tubing 3. Non metallic tubing 4. Electrical metallic tubing 5. Surface raceway Cable assembly for general use 1. Non metallic sheated cable 2. Underground feeder and branch circuit cable 3. Metal cad ( armored cable) 4. Mineral insulated metal sheated cable (IMC) 5. Aluminum sheated cable 6. Messenger support wiring 7. Shielded non metallic sheated cable 8. Ammored cable 9. Power and conirol cable Conductor system for general use 1. Open wiring on insulator 2. Concealed lnab and tube work Cable assembly system for limited use Service entrance cable Non metallic extension ‘Underplaster extension Integrated Gas Spacer cable Medium voltage cable Flat conductor cable Raceway system for limited use 1. Flexible metal conduit and flexible metal tubing 2. Liquid tight flexible metal conduit and liquid tight flexible non metal conduit 3. Underfloor raceway 4) Cellular metal floor receway or Cellular conerete floor raceway ‘ Wireways Cable tay Pilppine Electrical Code Page |2LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE Special system Bosway Cable bus ‘Malti Outlet Assembly Elecircal floor assemblies Flat cable assemblies SERVICES Serviee- the conductors and equipment for delivering energy from the electricity supply system to the wiring system ofthe premises served. Service drop- the overhead service conductors from the lat pole or other aerial support to and including the splices, if any, connecting tothe service, entrance conductors a the building or other sracture, Service lateral- The underground conductors between the street main, including any riser at a pole or other structure or from transformers, andthe first point of connection fo the service entrance conductors in any teninal ‘box or meter or other enclosure with adequate space, inside or outside the building wall. ‘Service Entrance- The service conductor between the terminals ofthe service equipment and the point of ‘connection to.the service drop or lateral. Service Equipment- the necessary equipment usually consisting of circuit breakers or switch and fuses, and their accessories, located near the point ofthe entrance supply conductors toa building or other structure, or an otherwise defined area, and intended to constitute the main contol and means of cut off the supply. (CLEARANCES OVERHEAD 1. Above roof: 2500 mm 2. Vertical Clearance from ground ‘3100 mm- electric servic entrance tothe building or atthe drip loop of the building clecric ‘entrance, or above areas or sidewalks accessible only to pedestrians, measured from the final grade ‘or other accessible surface only for service where the voltage does not exceed 300 volts to ground. 'b, 3700 mm- over residential property and driveway, and those commercial areas not subject to truck traffic where voltage doesnot exceed 300 vols to ground. 4600 sam- for those area listed inthe 3700 mm classification where the voltage exceeds 600 volts to ‘ground, 4. $500 mm- over public strets alleys, roads, parking areas subject to truck trafic, driveways on other ‘haa residential property and other land traversed by vehicles such as cultivated, grazing, forest, and orchard. Pilppine Electrical Code Page |3LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE 43. Clearance for building opening ~ 1000 mm UNDERGROUND 1, 600mm directly buried 2. 150mm RMC and IMC installation 3. 460 mm PVC or other approved raceway note: total voltage drop 5% for feeder 3% and for branch cireuit23% ELECTRICAL WIRES AND CABLE Conductor- A material, usually in the form of wire, eable, or bus bar, suitable for earrying an electric current. Bundled conductor Covered conductor Grounded conductor Grounding conductor Insulated conductor Lateral conductor Line eondvetor| ‘Open conductor Fempepee ‘Stranded wire- consist of group of wires twisted to form a metallic string, Cord-A small, very exible insulated cable ‘Cable- strands of insulated electrical conductors laid together, usually around a central core, and surrounded by heavy insulation, Electrical Insulation- A material having high clectrcal resistivity and therefore suitable for separating adjacent conductors in an electric circuit or preventing possible future contact between conductors. ‘Ampacity- the current in ampere a conductor can carry continuously under the condition of use without exceeding its temperature rating. CABLE WIRING METHODS AND MATERIALS 1. Armored Cable ( AC, ACT, and ACL) "A fabricated assembly of insulated conductors enclosed in a flexible metal sheath used both in exposed and ‘concealed sor for branch circuit and feeders in both exposed and concealed work and in cable tray where identified for such use. Pilppine Electrical Code Page |4LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE 2. Metal Clad Cable (MC) ‘A factory assembled cable of one or more conductors, etch individually insulated and enclosed in a metallic sheath interlocking tape, or a smooth or corrugated tube, used specifically for services, feeders, branch circuit, either ‘exposed or concealed, and for indoor or outdoor work. 3. Metal Insulated Cable, Metal Sheathed Cable ( MI) . ‘A factory assembled cable of one or more conductors insulated with highly compressed refractory mineral ingulation and enclosed in aliquid tight and gas tight continuous copper sheath, used in a dry , wet, or continucusly moist location asin service, feaders, or branch circu‘, indoors or outdoors, exposed or concealed 4. Non-metallic Sheated Cable (NM and NMC) ~ are factory assembled two or more insulated conductors having a and non-metallic outer sheath. = Used specifically for one or two family dwellings, multifamily dwellings and other structure, except prohibited in section 5.5.9- isture resistant, flame retardant ‘5. Shielded Non-metallic Sheated Cable (SNM) = a factory assembled two or more insulated conductors in an extruded cove of moisture resistant and flame resistant non-metallic, covered with an overlapping spiral metel tape and wire shield and jacketed with an extruded moisture flame, oil, corrosion, fungus and sunlight resistant non-metallic ‘material. = Used where operating temperature donot exceed the rating worked on the cable 6, Service Emtrance Cable (SE & USE) = a single or muli-conductor assombly provided with or without an overall covering, primarily and for services ~ use for installation in cable trays, raceways or where supported by ainesseuger wire. 7. Underground Feeder and Branch Circuit Cable (UF) ‘= amoisture resistant cable ~ used for underground, including direct burial inthe earth as feeder or branch circuit cable 8. Power & Control Tray cable (TC) = a factory assembly of two or more insulated conductors with or without associated bare or covered. grounded conductor under nonmetallic sheath 9. Flat Cable Assemblies (FC) ~ an assembly of parallel conductors formed integrally with an insulating material web specially Aesigned for field installation in metal surface raceway. = Used for branch circuit ot exceeding 30 amp. and in locations where they will not be exposed 10 severe physical damage. 10, Flat Conductor Cable (FCC) ~ consists of three or more flat copper conductor placed edge to edge & separated and enclose within an ating assembly ~ used for general purpose & appliance branch circuits and for individual branch circuits specifically in hard, smooth. continuous floor surfaces. = Specially for under carpet (up to 914 mm?) wiring to floor outlets (Moor mounted type FCC) Pilppine Electrical Code Page |LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE 11, Medium Voltage Cables (MV) ~ are single or mult-conduetor solid dielectric insulated cable rated at 2,001 or higher = used for power system up to 35,000 volts nominal, in wet or dry locations, in raceway, cable trays. 12, Integrated Gas Spacer Cable 16S) 4 factory assembled cable of one or more conductors, each individually insulated and enclosed in a loose fit nonmetallic flexible conduit rated 0-600 V + a cable and conduit system = for underground use, including direct burial in the earth, as service-entrance conductors or as feeder or branch circuit conductors ~ advantages low material and installation cost, eliminate field pulling or cables into conduit, eliminates, the cost of assembly of conduit in the field = insulation: SF, sulfuric hexafluoride gas) RACEWAY METHODS AND MATERIALS Receways ‘The raceways wiring accessories or channels designed for holding wires cables, or busbars which ae cther made of ‘metal or any insulating material. ‘They provided mechanical protection to conductors while keeping them accessible for wiring changes: conduits ‘connectors, conduit, coupling, clamps, hangers etc. cable trays, bus metal raceway, non-metal raceways. Conduits either pipes or tubing, which are either flexible or rigid for electric wires ‘are mast common electrical raceways Fittings “= apcessoris such as locknuts, bushing couplers, adapters nipples and connectors or other part wiring system that is intended primarily to perform a mechanical rather than function. Connectors a metal sleeve, usally made of copper, that is slipped over and secure tothe butted ends conductors in making a joint L. Intermediate Metal Conduit (IMC) + ametal raceway or circular cross-section with integral or associated couplings, connectors and firtings approved forthe installation of electrical conductors = with wall thickness less than rigid metal conduit but greater than EMT ‘used in all stmospheric conditions and occupancies, or areas subject to severe corrosive influences, ‘when protected by corrosion protection Pilppine Electrical Code Page |a LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE require supplementary corrosion protection unless subject to severe corrosive influences Rigid Non-metallic Conduit + resistant to moisture and chemical atmospheres = underground materials, fiber, soapstone, rigid polvinyl chloride (PVC), fbergless, epoxy, and high density polyethylene, above ground (PVC) Electrical Metallic Tubing = general purpose raceway of the same nature as rigid metal conduit and IMC used for bath exposed and concealed work where it will not be subjected 10 severe physical damege or (unless suitably protected) to corrosive agents. Flexible Metallic Tubing ~ circular in cross-section, flexible, metalic and lguidight without a nonmetal jacket ~ used in dry locations, in accessible locations when proteced from physical damage or concealed such 1s shove suspended ceilings and branch ciruits Surface Metal Raceway ~ used for exposed wiring where the possiblity of severe physical damage isnot problem. = Restricted to dry locations and voltages under 300 volts = _ Its principal used is for rewiring or extending existing electrical system Under Floor Raceways ~ also called underfloor ducts, consist of separate duct system buried inthe concrete floor or flush with surface ofthe floor = it come complete with junction boxes and fitings to provide access slong the length ofthe duct for receptacles and telephone cutlets = may consists of single, double, or triple ducts run parallel to provide telephone signal and power raceways (Cellular Floor Raceways = maybe metal or concrete, where cells of the cellular floor system is assigned with particular usage for power or signal wiring, and a header ducts tp into the cells and a earry the wiring to the necessary panel board of boxes ‘Wire ways = are ducts with square or rectangular cross-section made of sheet metal and the standard length ofeach ducts is 10 feet + where the wiring is readily accessible through cover plates which make up one of the walls of the ducts is 10 fet. = Its cover plate may be hinged or unhinged, screwed in place, or merely snapped into place = Cannot be buried, concealed in walls or exposed to corrsives atmosphere for in general they ere mounted exposed outdoors and may carry systems rated at 600 volts. Pilppine Electrical Code Page |7-LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE an approved completely assemble metal troughing and fitting when contain bare conductors intended for use as feeders, the conductors being suitably supported of insulators. = Are factor made systems of copper of aluminum bars, rods, or tubes designed to carry heavy currents from $0 to 6,000 amp = The conductors can be solid bars, square or rectangular hollow tube hollow ovals or solid 1 ~ beams. = Can be mounted horizontally or vertically and can be also sed as service entrance feeders. Continuous plug in Busways = sed to serve equipment that may be relocated periodically, such asin wood working shops: = Have regularly spaced openings that permitted plugging in switches or cireuit breakers and conduit or flexible cable is then run from devices tothe equipment being served. ‘Trolley Busways permits travelling equipment to be connected 1o & power source = rolling power takeoff is contact with the busways conductors = as the equipment moves, the trolley contact on the conductor. 11, Cable Trays s = are not raceways are open raceway like assemblies made of steel aluminam or a suitable non-metallic material “ = they are used in buildings to route cables and support them out of the way of normal building activites ‘Trough Type Trays protec cables from damages and give good support and ample ventilation through straight sections Ladéer Travs = provide maximum ventilation to power cables and other heat-producing cables **Cables suitable for use cable rays are marked CT (Cable Tray) on the outside of the jacket 12, Cablebus = an approved assembly of insulated conductors with fitings and conductors termination in 2 completely snclosed, ventilated protective metal housing Pilppine Electrical Code Page |10. 1" LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE ESAS — Sept. 2018 The Philippine Electrical Code is passed on the Board of Electrical Engineers last November 2017. The Philippine Electrical Code 2017 is Board Resolution number. series of 2017 ANd B.16 c.20 D.18 ESAS — Sept. 2014 / Apr. 2016 Which location may be temporarily subject to dampness or wetness? A. Dy B. Damp C. Moist D. Wet ESAS — Feb. 2014// Sept. 2016 / Apr. 2019 Rule used to determine sizes and rating of circuit conductors and devices. ‘A. manufacturing rule B. construction rule C. wiring design rule D. installation rule ESAS — Feb. 2014 / Sept. 2015 / Sept. 2016 Motors must be labeled with the following: nameplate rating, manufacturer's name and etc. This is ‘A. manufacturing rule B. construction rule _C. wiring design rule D. installation rule ESAS — Sept. 2014 / Sept. 2016 The conductor used to connect the grounding electrode to the equipment grounding Conductor, to the grounded conductor, or to both, of the circuit of the service equipment or at the service of a separately derived system. A. Grounded Conductor C. Equipment Grounding Conductor B. Grounding Conductor D. Grounding Electrode Conductor EE / ESAS — Sept. 2018 For continuous load, the maximum current is expected to continue for A. 2 hours: B. 4 hours C.6 hours ormore D. 3 hours or more ESAS - Apr. 2019 ‘What is the minimum branch circuit rating with continuous and non-continuous load? ‘A. 125%, 100% —-B. 125%, 80% ©. 120%, 80% D. 120%, 100% ESAS — Apr. 2017 / Aug. 2019 / EE - Apr. 2018 ‘What is the maximum plug and cord rating of a 30-A branch circuit? A2A B.30A C.26A D28A EE - Sept. 2019 ‘A.room air conditioner is to be attached to an individual branch circuit. If the load is 12 A, what is the minimum size of branch circuit required? AMSA B. 138A, C.87A D.96A EE — Sept. 2017 What size of branch circuit is required for a window air conditioner with a nameplate rating of 8 A if the circuit also supplies other outlets? AATA B.25A C.20A D.15A EE — Sept. 2019 fan appliance has a motor load of 12-A and a heating load of 15-A, what is the required ampacity of the branch circuit conductors? A.35A B.25A C.20A D.30A Pilppine Electrical Code Page |LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE ESAS ~ Apr. 2017 12. The minimum size of conductors to be used for lighting purposes is A. 2.0 mm? B.5.5 mm? C.3.5 mm? D. 8.0 mm? EE - Apr. 2011 13, For hermetic motor compressor, how many percent of the full load current is the allowable rating of the branch disconnecting means? A. 125 B.115 c. 150 D. 100 ESAS — Sept. 2010 / Sept. 2013 14. The minimum size of copper equipment conductor required for equipment connected to a 40 Ampere circuit is? A. 14.0 mm? B. 8.0mm? C.5.5mm* D. 22.0 mm? EE ~ Sept. 2017 15. Which of these is not a factor in the selection of fuse rating for protection of a branch circuit? ‘A. Branch fullload current ©. Branch fault-current B. System impedance D. System voltage ESAS - Apr. 2012 16. Which of the following is not a standard over-current protection device rating? A. 50 B. 1500 ©.225 D. 150 17. In estimating the loading of a branch circuit, what loading shall be used for each receptacle? ‘A. 160 VA B. 120 VA ©. 180A D. 150 VA ESAS — Apr. 2012 18. Receptacle rating of a non-motor load for a 40 ampere branch circuit is, A. 20 B.30 c.40 D.50 EE - Apr. 2016 19. What is the branch circuit ampacity of a hermetic motor with a fulkload current of 16 A? AIBA B.20A C.25A D.30A ESAS — Apr. 2013 / EE - Apr. 2016 20. What is the minimum lighting load required by PEC for an office measuring 20 m by 25 m? A. 6,000 VA B. 7,000 VA €. 12,000 VA D. 14,000 VA 21. In a group of four motors, one motor draws 10 ampere, one draws 45 ampere and two draws 75 ampere. What size of conductor must be used for the feeder circuit? A.224A B.230A C. 300A D.124A ESAS - Apr. 2017 22. What do you call a device which is also known as Earth Leakage Circuit Breaker (ELCB)? A.RCB B. RCD C. GFCI D. MCB ESAS - Sept. 2017 23. What is a protective device designed to protect an individual against electric shock? A. Circuit Breaker B. AFCI C. Differential Relay D. GFCI Pilppine Electrical Code Page | 10LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE 24. A three-phase motor draws 50 A current supplied by copper conductors. What is the minimum inverse time delay circuit breaker rating? A.50 B. 100 c.75 D. 125 EE - Sept. 2013 25. What is the derating factor in each of 7 to 9 conductors in a raceway? A. 80% B. 85% ©. 70% D. 75% 26. What is the current carrying capacity of each conductor if 26-8.0 sq mm THWN copper conductors are install in an auxiliary gutter? ‘A. 20 A each B. 40.A each ©. 50 A each D.45 aeach EE - Sept. 2012 27. What is the maximum number of conductor in a raceway that does not need to be derated? A2 B.3 C4 D5 ESAS - May 2010 28. A conduit bend needed if the conduit end is running through an outlet box for connection of lighting fiture, convenience outlet, etc. ‘A. Gooseneck bend B. saddle bend . comer bend D. offset bend ESAS — Sept. 2012 29. Branch circuit larger than ampere shall supply only nonighting outlet load? A. 20 B. 50 0.18 D.30 30. How many 2 A lighting fixture that can be connected to @ 20 A continuous duty Branch circuit AB B.10 c.12 D.14 EE ~ Sept. 2010 31. Which of the following is not a standard classification for a branch circuit supplying several loads? A30A B.20A C.40A D254 EE ~ Sept. 2011 32. In PEC 1, where does a bonding jumper is connected? ‘A. Near distribution panel C. equipment enclosure B. Load side of service drop D. transformer enclosure EE — April 2011 / Sept. 2013 / Sept. 2018 33. What is the maximum distance between two outlets in dwelling units? A. 1500 mm B. 2000 mm C. 1800 mm. D. 1600 mm ESAS — Sept. 2011 / Aug. 2019 / EE - Sept. 2015 34. Find the maximum vertical clearance of the receptacle outlet from the floor? A. 1700 mm B. 1800 mm C.3700mm D. 4000 mm Pilppine Electrical Code Page | 11LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE EE - Sept. 2011 35. Floor receptacle outlets are not counted unless they are within a distance of __mm from the wall. A. 350 B. 400 c. 450 D. 500 ESAS - Sept. 2011 36. For 120 to 277 volt, nominal to ground shall be permitted to supply which of the following? ‘A. None of these B. Screw shell devices with loads C. Lighting fixture D. Auxiliary equipment of electric discharge ampere EE - Sept. 2011 37. When the temperature of the wire increases, what happens to the resistance? A. Varies B. remains the same C. increases D. decreases ESAS — Sept. 2011 38. Metallic tubing used for insulated conductor? A Steel conduit —B. Tray . flexible conduit. trunking EE - Sept. 2011 39. Grounding allows opposition path of current flow A low B. high ©. effective D. medium ESAS — Apr. 2013 / Sept. 2014 / Sept. 2015 / Sept. 2016 40. The minimum diameter of a steel ground electrode is A.10mm B.12mm c.14mm D. 16mm ESAS — Sept. 2013 / Sept. 2018 41. A single electrode consisting of a rod, pipe, or plate that does not have a resistance to ground of ___ ohms or less shall be augmented by one additional electrode. A.20 B.30 C.25 D.35 ESAS — Apr. 2013 / Aug. 2019 42. In Rigid Metal Conduit (RMC), conduits shall be supported at least every mm. A. 1500 B. 2000 ¢. 3000 D. 1000 ESAS ~ Apr. 2012 43. Maximum distance between bus way supports? ‘A. 1000 mm B. 1500 mm. C. 1800 mm. 1D. 2000 mm EE - Sept 2009 / Sept. 2018 44. What is the maximum number of quarter bends permitted for a single run of rigid metallic conduit between outlets? A4 B.5 C.2 D3 EE - Sept. 2018 45. Which is not a standard distribution voltage in the Philippines? A1B2KV B.13.8kV C.34.5kV D.69kV Pilppine Electrical Code Page | 12LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE EE — Apr.2011 46. Where must the surge arrester be located? ‘A. Away from the transformer . near the air break switch B. Near the circuit breaker D. near the transformer EE - Sept. 2017 47. According to the Philippine Electrical Code at an ambient temperature of 30°C, 8.0 mm? copper conductors with the following insulation have the following ampacities: TW insulation ~ 30 A; THW insulation ~ 45 A; for THHN insulation — 50 A. if each of these insulated wires carries the same 40 amperes which will generate heat the fastest? A. TWinsulated wire C. Each will generate heat at the same rate B. THW insulated wires D. THHN insulated wire ESAS - May 2010 48. What is the neutral load for a single phase system having a 150 A of electric discharge lighting load and 250 A of incandescent lighting? A. 400 A B. 280A C.385A D.325A ESAS - Sept. 2015 49. Vertical clearance from ground. Service-drop conductors where not in excess of 600 volts, nominal shall have the minimum clearance from final grade of over residential property and driveways, and those commercial areas not subject to truck traffic where the voltage does not exceed 300 volts to ground. A. 3100 mm B. 3700 mm. C. 4600 mm. 1D. 5500 mm EE - Sept. 2009 / ESAS - Apr. 2017 / Sept. 2018 50. Luminaire type permitted in clothes closets. A. Incandescent fixture with open ampere B. Incandescent fixture with partially enclosed ampere C. Pendant luminaire D. Surface mounted or recessed incandescent fixture with a completely enclosed lamp EE - Sept. 2018 51. Which of the following luminaire types are NOT permitted in clothes closets? I. Incandescent fixtures with open lamps II. Incandescent fixtures with partially enclosed lamps Il. Pendant luminaire IV. Surface mounted or recessed incandescent fixture with a completely enclosed lamp ALI, and ill B.I, ll, and lV C1, Ill, and IV D-II, Il, and IV ESAS - May 2010 52. Medium voltage cable insulation is rated for volts or higher. A600 B. 1000 ©. 230 D. 2001 EE - Apr. 2015 53. In dwelling units with a hallway of 3 mor more in length, at least how many receptacle outiet/s shall be installed? AB B.2 C1 D. none ESAS — Sept. 2016 54. A 4-wire system has a high-leg voltage that A. black B. orange ated by a wire of color brown Dred Pilppine Electrical Code Page | 13LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER PHILIPPINE ELECTRICAL CODE ESAS — Sept. 2014 / EE - Apr. 2016 55. The color reserved for use in equipment grounding conductor is A. Yellow B. Green C. White D. Gray ESAS - Aug. 2019 56. Which of the following insulation color identify the grounded conductor of a branch circuit? A. Black B. Green ©. Yellow D. White EE — Sept. 2018 57. Red, red, orange, silver indicates a resistance of A220, 45% B. 220 0, #5% C.22K0, 410% —_D.22kO, #10% ESAS - Sept. 2014 58. What is the maximum operating temperature of type UF conductor? A. 75°C B. 90°C ©.60°C D. 110°C ESAS - Apr. 2015 59. A conducting connestions, whether intentional or accidental, between an electric circuit or equipment and the earth, or to some conducting body that serves in place of the earth, A. Grounded B. Ground ©. Short D. Fault EE — Sept. 2017 60. Which of the following is NOT permitted by the PEC under certain conditions as substitute for grounding? A. isolated B. unguarded ©. insulated D. guarded Pilppine Electrical Code Page | 14