EJB junction boxes Cl. I, Div.

1 & 2, Groups B, C, D
Cl. II, Div. 1, Groups E, F, G
Ex d IIB + H2 T6, IP66
Explosionproof
1E
Cl. II, Div. 2, Groups F, G Dust-ignitionproof
Cl. III Raintight
NEMA 3, 4, 4XA, 7, 9 Wet locations

Applications:
EJB junction boxes are used in threaded
rigid conduit systems in hazardous areas:
• As a junction or pull box
• To provide enclosures for splices and
branch circuit taps
• For housing terminal blocks, relays and
other electrical devices
• Indoors or outdoors in damp, wet, dusty,
corrosive, hazardous locations EJB121208 with optional hinged cover EJB121208 with optional hinged cover
• Where exposure to frequent or heavy and standard neoprene cover gasket
rain, water, spray, moisture and humidity
is common, such as: offshore drilling Certifications and Options:
facilities, cooling towers, coal preparation
and handling facilities and sewage and compliances: Description Suffix
waste water treatment • Hinged covers..................................... S598
1E

NEC/CEC:
• In areas which are hazardous due to the Hinges mounted on left (short side)
presence of hydrogen or gases and vapors • Class I, Divisions 1 & 2, Groups BA, CB,
of equivalent hazard such as found in DC Available on all Style C and the following Style
• Class I, Zones 1 & 2 D enclosures: EJB101008-SA, EJB120804,
process industries, missile bases and gas
EJB120804-SA, EJB120808-SA and EJB141006-
manufacturing plants • Class II, Division 1, Groups E, F, G SA
• Class II, Division 2, Groups F, G • ATEX certified....................................ATEX
Features: • Class III Hinge kits for field installation (no field
•  Style C boxes provided with aluminum UL standard: machining required):
plate cover as standard, allowing for field
addition of cover device holes • UL1203 • EJB100806 through EJB361208
CSA standard: (2 hinges).................................... EJB KIT 1
• Stainless steel cover bolts (Style C only)
• cUL to CSA standard C22.2 No. 30 • EJB361808 (3 hinges)................ EJB KIT 3
• Ground joint cover opening provides
maximum opening for pulling wires or ATEX: • EJB362408 (4 hinges)................ EJB KIT 4
mounting equipment • For EJB101008-SA, EJB120804,
• Ex d IIB + H2 T6, IP66
• Walls of bodies may be drilled and tapped EJB120804-SA, EJB120808-SA and
• ATEX certificate: ITS08ATEX15797U EJB141006-SA (2 hinges)........... EJB KIT 5
for conduit entries as shown in listings
IEC standards: Factory installed mounting plates for
• Stud bolts in diagonally opposite corners
of body aid in aligning cover to body • EN:60079-0 and EN:60079-1 relays, terminal blocks, electrical devices,
during installation (not furnished with • IECEx certificate: IECEx ETL 13.0040U etc.:
hinged covers) • Aluminum mounting plate kit................MP
Environmental ratings:
• All Style C bodies are provided with For field installation
• Enclosure type 3, 3R, 4, 4XA, 7BCD, 9EFG
captive, triple lead, quick release hex head Kit includes: aluminum mounting plate, pillars
stainless steel bolts with spring loaded and mounting hardware
action which provides clear indication that
cover bolts are fully retracted from the
Standard materials: No field machining required
body •  Body and cover – copper-free aluminum See ordering information on following page
(suffix SA items and all Style C); Feraloy
• External flange design – wide iron alloy (Style D) • Factory installed
unobstructed cover opening provides a terminal blocks....... Information available
completely accessible interior for wiring • Gasket – neoprene upon request
and electrical equipment • Cover bolts – stainless steel (Style C);
• Square corners of enclosure body provide steel (Style D)
maximum interior space and area for • Hinges – stainless steel
conduit openings
• Internal grounding lug provides a means to Standard finishes:
ground enclosed equipment •  Copper-free aluminum – natural
• Special neoprene cover gasket provides • Feraloy iron alloy – electrogalvanized and
a watertight seal to meet NEMA 4 aluminum acrylic paint
requirements, and provides superior
protection for enclosed equipment against • Steel – electrogalvanized
water/corrosion • Extruded aluminum – natural
• IEC rated when ordered with ATEX suffix
• Enclosures are machined for field installed
mounting plates
• Detachable mounting feet provide
mounting flexibility; no need to replace
enclosure if mounting feet are broken.
AFor Group B, install sealing fitting in each conduit run within 18” of the enclosure. To meet 4X requirement, add suffix
• Optional stainless steel hinges provide S752 or S753.
convenient and easy access for BEJB361208, 361808, 362408 and all Style D enclosures require sealing fittings within 18” of enclosure for each conduit
inspection, maintenance and systems run for Group C locations.
changes CStyle D enclosures require sealing fittings within 18” of enclosure for each conduit run for Group D locations.
• Enclosures are machined to accept field For conduit liner ordering information, see Section 6E.
installed hinges
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EJB junction boxes Cl. I, Div. 1 & 2, Groups B, C, D
Cl. II, Div. 1, Groups E, F, G
Ex d IIB + H2 T6, IP66
Explosionproof
1E
Cl. II, Div. 2, Groups F, G Dust-ignitionproof
Cl. III Raintight
NEMA 3, 4, 4XD, 7, 9 Wet locations

Ordering information:
Junction boxes listed can be furnished
with drilled and tapped openings, subject
to material required and the limitations of
maximum size and number of openings as
well as spacing, as shown in Tables 1 and 2.
To order:
Step 1
Select the box required from photos at
right, listings and dimensional drawings on
following pages.
Step 2
Select standard conduit arrangement from
Table 1 and maximum size conduit opening

1E
required from Table 2.
Step 3 Style D Style C – EJB121208D with
Select appropriate symbol for required drilled optional hinged cover
and tapped opening from Table 3.
Example: Nominal inside dimensions

• Step 1 – box required: EJB080806 Top and Cat. #

bottom Mounting
• Step 2 – arrangement: 2 Style Material Cat. # Sides (aa) (bb) Depth plate
• Step 3 – openings: two 1” drilled and D Iron EJB060404 4 6 4 MP0406
tapped holes in top and bottom and D Iron EJB080604 6 8 4 MP0608
two 2” drilled and tapped holes on each D Iron EJB080606 6 8 6 MP0608
side. D Iron EJB080806 8 8 6 MP0808
• Step 4 – symbols are substituted and D Iron EJB120804 8 12 4 MP0812
written in clockwise order starting with D Iron EJB160404 4 16 4 MP0416
“a.” When no opening is required at D Aluminum EJB060404 SA 4 6 4 MP0406
D Aluminum EJB080604 SA 6 8 4 MP0608
a particular location, use symbol “0”
D Aluminum EJB080606 SA 6 8 6 MP0608
(zero). D Aluminum EJB080806 SA 8 8 6 MP0808
• For this example: CC, GG, CC, GG D Aluminum EJB120604 SA 6 12 4 MP0612
• Complete catalog number is made up D Aluminum EJB120804 SA 8 12 4 MP0812
of three parts: Part 1 – box number; D Aluminum EJB120808 SA 8 12 8 MP0812
D Aluminum EJB160404 SA 4 16 4 MP0416
Part 2 – arrangement number; Part 3 –
D Aluminum EJB101008 SA 10 10 8 MP1010
symbols for conduit openings. For this D Aluminum EJB141006 SA 10 14 6 MP1014
example: EJB080806-2-CC-GG-CC-GG C Aluminum EJB100806 8 10 6 MP0810
• If none of the standard arrangements C Aluminum EJB121204 12 12 4 MP1212
meet requirements, send a sketch C Aluminum EJB121206 12 12 6 MP1212
showing junction box number with size C Aluminum EJB121208 12 12 8 MP1212
and location of each conduit opening C Aluminum EJB161606 16 16 6 MP1616
desired C Aluminum EJB161608 16 16 8 MP1616
C Aluminum EJB181206 12 18 6 MP1218
C Aluminum 12 18 8
Gasket detail: C Aluminum
EJB181208
EJB241208 12 24 8
MP1218
MP1224
C Aluminum EJB241210 12 24 10 MP1224
C Aluminum EJB241808 18 24 8 MP1824
C Aluminum EJB241810 18 24 10 MP1824
C Aluminum EJB242408 24 24 8 MP2424
C Aluminum EJB242410 24 24 10 MP2424
C Aluminum EJB361208 12 36 8 MP1236
C Aluminum EJB361808 18 36 8 MP1836
C Aluminum EJB361810 18 36 10 MP1836
Cross section of cover; gasket extends C Aluminum EJB362408 24 36 8 MP2436
beyond flange surface by .05” C Aluminum EJB602212E 22 60 12 MP2260

DFor Group B, install sealing fitting in each conduit run within 18” of the enclosure. To meet 4X requirement, add suffix
S752 or S753.
Bolted cover and body assembled; EClass I, Divisions 1 & 2, Groups C, D only.
compressed gasket forms watertight seal For conduit liner ordering information, see Section 6E.

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 EJB junction boxes 1E

Ordering information reference tables:

Table 1
Conduit arrangement diagrams
1E

Table 2
Conduit arrangements – Style D
Maximum trade size and number of openings

Top and bottom (bb)F Sides (aa) Spacing dimensions

Cat. # 1 2 3 4 1 2 3 4 S L2 S2 L3 S3 L4 S4
EJB060404 2 11/4 /2
1
– 2 1
/2 – – 25/8 15/8 11/16 21/8 – – –
EJB080604 2 2 1 1
/2 2 11/4 1
/2 – 25/8 21/8 15/8 23/4 21/8 21/16 –
EJB080606 31/2 2 1 1
/2 31/2 11/4 1
/2 – 33/4 21/4 15/8 23/4 21/8 21/16 –
EJB080806 31/2 2 1 1
/2 31/2 2 1 1
/2 33/4 21/4 21/4 23/4 23/4 21/16 21/16
EJB101008 4 21/2 11/2 1 4 21/2 11/2 1 43/4 23/4 23/4 35/8 35/8 29/16 29/16
EJB120604 2 2 2 11/4 2 11/2 1
/2 – 23/4 3 15/8 41/8 21/8 31/8 –
EJB120804 2 2 2 11/4 2 2 1 1
/2 21/8 3 21/4 41/8 23/4 31/16 21/16
EJB120808 4 4 2 11/4 4 2 1 1
/2 43/4 31/4 21/4 41/8 23/4 31/16 21/16
EJB141006 31/2 31/2 21/2 11/2 31/2 21/2 11/2 1 37/8 33/4 23/4 5 39/16 35/8 29/16
EJB160404 2 2 2 2 2 1
/2 – – 25/8 3 11/16 6 – 41/8 –

FTop and bottom are longer dimensions on enclosures which are not square.
Conduit seals are required in all conduit entrances for Class I, Division 1, Group B hazardous areas, and for EJB361208, EJB361808, EJB361810, EJB362408 and all Style D enclosures when
used in Class I, Division 1, Group C hazardous areas. For other sealing requirements, consult the National Electrical Code. Where standard arrangements are not adequate, special drilling and
tapping can be ordered, or instructions can be provided for field drilling and tapping. Breathers and drains must be ordered separately. Maximum trade size for Group B application is 4”.

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EJB junction boxes 1E

Ordering information reference tables (continued):

Table 2 (continued)
Conduit arrangements – Style C drilled and tapped openings – Groups BG, C, D
Maximum trade size and number of openings

Top and bottom (bb)H Sides (aa)

Cat. # 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
EJB100806 31/2 3 11/2 11/4 – – – – 31/2 21/2 11/2 11/4 – – – –
EJB121204 11/2 11/2 11/2 11/4 1 3
/4 1
/2 – 11/2 11/2 11/2 11/4 1 3
/4 1
/2 –
EJB121206 31/2 31/2 11/2 11/4 1 3
/4 1
/2 – 31/2 31/2 11/2 11/4 1 3
/4 1
/2 –
EJB121208 5 31/2 11/2 11/4 1 3
/4 1
/2 – 5 31/2 11/2 11/4 1 3
/4 1
/2 –
EJB161606 31/2 31/2 21/2 2 11/2 11/4 1 3
/4 31/2 31/2 21/2 2 11/2 11/4 1 3
/4
EJB161608 5 5 3 2 11/2 11/4 1 3
/4 5 5 3 2 11/2 11/4 1 3
/4
EJB181206 31/2 31/2 31/2 21/2 11/2 11/2 1 3
/4 31/2 31/2 11/2 11/4 1 3
/4 1
/2 –
EJB181208 5 5 31/2 21/2 2 11/2 1 1 5 31/2 11/2 11/4 1 /4 /2 –

1E
3 1

EJB241208 5 5 5 31/2 3 21/2 2 11/2 5 31/2 11/2 11/4 1 1 1

/2 –
EJB241210 6 6 5 31/2 3 21/2 2 11/2 6 31/2 11/2 11/4 1 1 1
/2 –
EJB241808 5 5 5 31/2 3 21/2 2 11/2 5 5 31/2 21/2 2 11/2 11/4 1
EJB241810 6 6 5 31/2 3 21/2 2 11/2 6 6 31/2 21/2 2 11/2 11/4 1
EJB242408 5 5 5 31/2 3 21/2 2 11/2 5 5 5 31/2 3 21/2 2 11/2
EJB242410 6 6 5 31/2 3 21/2 2 11/2 6 6 5 31/2 3 21/2 2 11/2
EJB361208 5 5 5 5 4 4 31/2 21/2 5 31/2 11/2 11/4 1 3
/4 1
/2 –
EJB361808 5 5 5 5 4 4 31/2 21/2 5 5 31/2 21/2 2 11/2 11/4 1
EJB361810 6 6 5 5 4 4 31/2 21/2 6 6 31/2 21/2 2 11/2 11/4 1
EJB362408 5 5 5 5 4 4 31/2 21/2 5 5 5 31/2 3 21/2 2 11/2

Spacing dimensionsI
Cat. # S L2 S2 L3 S3 L4 S4 L5 S5 L6 S6 L7 S7 L8 S8
EJB100806 33/8 23/4 17/8 3 23/8 21/4 13/4 – – – – – – – –
EJB121204 3 21/4 21/4 35/8 35/8 31/16 31/16 2 2 13/4 13/4 11/2 11/2 – –
EJB121206 33/4 3 3 35/8 35/8 31/16 31/16 2 2 13/4 13/4 11/2 11/2 – –
EJB121208 43/4 3 3 35/8 35/8 31/16 31/16 2 2 13/4 13/4 11/2 11/2 – –
EJB161606 33/4 3 3 45/8 45/8 43/16 43/16 23/4 23/4 21/2 21/2 2 2 13/4 13/4
EJB161608 43/4 31/4 31/4 45/8 45/8 43/16 43/16 23/4 23/4 21/2 21/2 2 2 13/4 13/4
EJB181206 33/4 3 3 6 35/8 45/8 31/16 23/4 2 23/4 13/4 2 11/2 13/4 –
EJB181208 43/4 43/16 3 6 35/8 45/8 31/16 31/4 2 23/4 13/4 2 11/2 2 –
EJB241208 51/8 43/16 3 87/16 35/8 6 31/16 45/8 2 37/8 2 31/4 11/2 23/4 –
EJB241210 61/8 43/4 3 87/16 35/8 6 31/16 45/8 2 37/8 2 31/4 11/2 23/4 –
EJB241808 51/4 43/16 43/16 87/16 6 6 45/8 45/8 31/4 37/8 23/4 31/4 21/2 23/4 2
EJB241810 61/4 43/4 43/4 87/16 6 6 45/8 45/8 31/4 37/8 23/4 31/4 21/2 23/4 2
EJB242408 53/8 43/16 43/16 87/16 87/16 6 6 45/8 45/8 37/8 37/8 31/4 31/4 23/4 23/4
EJB242410 63/8 43/4 43/4 87/16 87/16 6 6 45/8 45/8 37/8 37/8 31/4 31/4 23/4 23/4
EJB361208 43/4 47/16 3 87/16 35/8 87/16 31/16 53/4 2 53/4 13/4 51/8 11/2 37/8 –
EJB361808 51/2 47/16 47/16 87/16 6 87/16 45/8 53/4 31/4 53/4 23/4 51/8 21/2 37/8 2
EJB361810 61/2 43/4 43/4 87/16 6 87/16 87/16 53/4 31/4 53/4 23/4 51/8 21/2 37/8 2
EJB362408 6 43/4 43/16 87/16 87/16 87/16 6 53/4 45/8 53/4 37/8 51/8 31/4 37/8 23/4

Table 3
Symbols for openings
Drilled and tapped
Conduit size hole symbol
/2”
1
A
/4”
3
B
1” C
11/4” E
11/2” F
2” G GMaximum trade size for Group B applications is 4”.
21/2” H
3” J
HTop and bottom are longer dimensions on enclosures which are not square.
31/2” K ISpacing dimensions for Group B boxes are based on use of EYS11-EYS101 sealing fitting in conduit.
4” L Conduit seals are required in all conduit entrances for Class I, Division 1, Group B hazardous areas, and for EJB361208,
EJB361808, EJB361810, EJB362408 and all Style D enclosures when used in Class I, Division 1, Group C hazardous areas.
5” M For other sealing requirements, consult the National Electrical Code. Where standard arrangements are not adequate, special
6” N drilling and tapping can be ordered, or instructions can be provided for field drilling and tapping. Breathers and drains must
None O be ordered separately. Maximum trade size for Group B application is 4”.
For conduit liner ordering information, see Section 6E.

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 EJB junction boxes 1E

Dimensions (in inches):

A B C D E

Table 4
1E

Outside dimensions
Net weight
with cover
Cat. # Diagram aa bb Mtg. hole ww xx yy zz (lbs.)
EJB060404 811/32 1011/32 7
/16 83/4 61/8 5 71/8 43
EJB080604 1015/32 1215/32 7
/16 1025/32 63/16 7 91/8 64
EJB080606 1015/32 1215/32 7
/16 1025/32 83/16 7 91/8 84
EJB080806 1215/32 1215/32 7
/16 1225/32 87/32 7 111/8 98
EJB120804 121/2 161/2 7
/16 1213/16 63/8 11 111/8 103
EJB160404 81/2 201/2 7
/16 813/16 65/32 15 71/8 86
EJB060404 SA 811/32 1011/32 7
/16 83/4 61/8 5 71/8 16
EJB080604 SA 1015/32 1215/32 7
/16 1025/32 63/16 7 91/8 24
A, B, D
EJB080606 SA 1015/32 1215/32 7
/16 1025/32 83/16 7 91/8 32
EJB080806 SA 1215/32 1215/32 7
/16 1225/32 87/32 7 111/8 37
EJB120604 SA 101/2 161/2 7
/16 1013/16 63/16 11 91/8 32
EJB120804 SA 121/2 161/2 7
/16 1213/18 63/8 11 111/8 39
EJB120808 SA 121/2 161/2 7
/16 1213/18 103/8 11 111/8 56
EJB160404 SA 81/2 201/2 7
/16 813/16 65/32 15 71/8 33
EJB101008 SA 1421/32 1421/32 7
/16 147/8 103/8 9 131/8 59
EJB141006 SA 1421/32 1821/32 7
/16 147/8 815/32 13 131/8 66
EJB100806 131/32 151/32 9
/16 121/4 89/16 51/2 111/4 60
EJB121204 171/16 171/16 9
/16 161/8 613/16 51/2 151/8 60
EJB121206 171/16 171/16 9
/16 161/8 87/8 51/2 151/8 70
EJB121208 171/16 171/16 9
/16 161/8 107/8 51/2 151/8 80
EJB161606 213/16 213/16 9
/16 201/8 87/8 91/2 191/8 103
EJB161608 213/16 213/16 9
/16 201/8 107/8 91/2 191/8 113
EJB181206 175/16 235/16 9
/16 161/8 87/8 111/2 151/8 101
EJB181208 175/16 235/16 9
/16 161/8 107/8 111/2 151/8 110
EJB241208 C, E 179/16 299/16 9
/16 161/8 113/4 171/2 155/8 149
EJB241210 179/16 299/16 9
/16 161/8 133/4 171/2 155/8 160
EJB241808 239/16 295/8 11
/16 231/2 121/4 171/4 217/8 243
EJB242408 299/16 299/16 11
/16 291/2 125/16 161/4 277/8 296
EJB242410 299/16 299/16 11
/16 291/2 145/16 161/4 277/8 322
EJB361208 171/16 411/16 9
/16 161/8 1111/16 291/2 151/8 185
EJB361808 2315/16 4115/16 11
/16 231/2 127/16 281/4 217/8 351
EJB361810 2315/16 4115/16 11
/16 233/4 141/4 281/4 217/8 396
EJB362408 303/16 423/16 11
/16 311/4 125/8 281/4 291/2 571

For conduit liner ordering information, see Section 6E.

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EJB junction boxes 1E

Table 5
Mounting plate dimensions – Style C

1E
Style C

Cat. # a b c d e f g h j k
MP0810J 9 7 0.125 7 5 13/8 11/2 1
MP1212J 11 11 0.125 9 9 13/8 11/2 1
MP1616J 15 15 0.125 13 13 13/8 11/2 1
MP1218 17 11 0.125 13 7 81/2 51/2 23/8 21/2 2
MP1224 23 11 0.125 19 7 111/2 51/2 23/8 21/2 2
MP1824 22 16 0.125 19 13 11 8 17/8 2 11/2
MP2424 22 22 0.125 19 19 11 11 17/8 2 11/2
MP1236 34 10 0.125 31 7 17 5 17/8 2 11/2
MP1836 331/2 151/2 0.125 31 13 163/4 73/4 15/8 13/4 11/4
MP2436 34 22 0.125 31 19 17 11 17/8 2 11/2

JPlate has no center hole.

For conduit liner ordering information, see Section 6E.

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 EJB602212 junction box Cl. I, Div. 1 & 2, Groups C, D
Cl. II, Div. 1, Groups E, F, G
Explosionproof
Dust-ignitionproof
1E
Cl. II, Div. 2, Groups F, G Raintight
Cl. III Wet locations
NEMA 3, 4, 7CD, 9EFG

Applications: Certifications and

The EJB602212 junction box is used in compliances:
threaded rigid conduit systems in hazardous NEC:
areas:
• Class I, Divisions 1 & 2, Groups C, D
• As a junction or pull box
• Class II, Division 1, Groups E, F, G
• As an enclosure for splices and branch
circuit taps • Class II, Division 2, Groups F, G
• For housing terminal blocks, relays and • Class III
other electrical devices UL standard:
• As a mounting box for multi-device control • UL1203
panels with EMP barrel assemblies (see • Raintight
section 5C)
CSA standard:
• Indoors or outdoors in damp, wet, dusty,
corrosive locations • CSA C22.2 Nos. 18, 30
• Where exposure to frequent or heavy Environmental ratings:
1E

rain, water, spray, moisture and humidity • NEMA 3, 4, 7CD, 9EFG

is common, such as: offshore drilling
facilities, cooling towers, coal preparation
and handling facilities, and sewage and Standard materials:
wastewater treatment plants •  Body and cover – copper-free aluminum
• Which are hazardous due to the presence • Gasket – neoprene
of gases or vapors, such as those found in • Cover bolts – stainless steel
process industries, missile bases and gas
manufacturing plants • Hinges – extruded aluminum

Features: Standard finishes:

•  Ground joint cover opening provides •  Copper-free aluminum – natural Ordering information:
maximum opening for pulling wires or • Extruded aluminum – natural
EJB602212 can be furnished with drilled and
mounting equipment • Stainless steel – natural tapped openings, subject to the limitations
• Walls of enclosure may be drilled and • Neoprene – natural of maximum size and number of openings as
tapped for conduit entries as shown in well as spacing, as shown in Tables 1 and 2.
Table 2
• External flange design – wide Options: To order:
unobstructed cover opening provides a Step 1
Description
completely accessible interior for wiring • Mounting plate kit................. EJB-MP6022 Specify box catalog number – EJB602212.
and electrical equipment
For field installation Step 2
• Square corners of enclosure body provide
maximum interior space and area for Kit includes: aluminum mounting plate, pillars Select standard conduit arrangement from
conduit openings
and mounting hardware Table 1 and maximum allowable size conduit
• Factory installed aluminum mounting opening from Table 2.
• Flat cover provides maximum space for plate.......................................................MP
mounting a greater number of control Step 3
devices For relays, terminal blocks, electrical devices,
etc. Select appropriate symbol for required drilled
• Internal grounding lug provides a means to and tapped opening from Table 3.
ground enclosed equipment
Example:
• Special neoprene cover gasket provides a
watertight seal to meet UL Type 4 (NEMA • Step 1 – box catalog number:
4) requirements, and provides superior EJB602212
protection for enclosed equipment against • Step 2 – arrangement: 2
water/corrosion • Step 3 – openings: two 2” drilled
• Stainless steel cover bolts provide and tapped holes in top and bottom
superior corrosion protection and two 21/2” drilled and tapped holes
• Enclosure is machined for field installed evenly spaced on each side.
mounting plates • Step 4 – symbols are substituted and
• Detachable mounting channels provide written in clockwise order starting with
mounting flexibility; no need to replace “a.” When no opening is required at
enclosure if mounting channel is broken a particular location, use symbol “0”
(zero).
• Aluminum hinges provide convenient and
easy access for inspection, maintenance • For this example: GG-0H0H0-GG-0H0H0
and systems changes • Complete catalog number is made up
• Safety chain attached to body and cover of three parts: Part 1 – box number;
prevents accidental damage to hinges Part 2 – arrangement number; Part
3 – symbols for conduit openings. For
this example: EJB602212-2-GG-0H0H0-
For conduit liner ordering information, see Section 6E. GG-0H0H0.

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EJB602212 junction box Cl. I, Div. 1 & 2, Groups C, D
Cl. II, Div. 1, Groups E, F, G
Explosionproof
Dust-ignitionproof
1E
Cl. II, Div. 2, Groups F, G Raintight
Cl. III Wet locations
NEMA 3, 4, 7CD, 9EFG

Ordering information reference tables:

Table 1
Conduit arrangement diagrams

1E
Table 2
Conduit arrangements
Maximum trade size and number of openings
Top and bottom (bb) Sides (aa) Spacing dimensions
Cat. # 1 2 3 4 1 2 3 4 5 s t u v w
EJB602212A 6 6 4 3 6 6 6 6 6 63/4 10 7 53/8 10

Table 3 Dimensions (in inches):

Symbols for openings
Drilled and tapped
16
Conduit size hole symbol
/2”
1
A
/4”
3
B
1” C
11/4” E
11/2” F
2” G
21/2” H
3” J
31/2” K
4” L
5” M
6” N
None O

Enclosure Mounting plate

Nominal inside dimensions

AClass I, Divisions 1 & 2, Groups C, D only. Top and
Conduit sealing fittings are required on all conduit entrances Sides bottom Depth
(within 18” of the enclosure) when used in Class I,
Division 1, Group C hazardous areas. For other sealing 60 22 12
requirements, consult the National Electrical Code.
For conduit liner ordering information, see Section 6E.

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