Cut Sheet

NEC/CEC —Suitable for hazardous locations:
Class I, Division 2; Class II, Divisions 1 and 2;
Class III, per NEC 501.10(B)(4), 502.10(A)(3),
502.10(B)(4), 503.10(A)(1).
Aluminum Diecast Watertight Hubs
Insulated and Gasketed
Applications
• UsedtoconnectrigidmetalconduitorIMCtoathreadless
openinginanenclosure.
• Maybeusedinwetordrylocations,indoorsoroutdoors.
Features
• Ruggedmetallicconstructionensuresmechanicalprotection.
• Insulatedthroat,ratedupto+105°C(+221°F),prevents
wireabrasion.
• IntegralO-ringprovideswatertightseal.
• HUBGprovideslugforgroundingconductor.
• Uniqueprolepermitseasywrenching.
• Smooth,accuratelytappedthreadsfacilitateinstallation.
• Watertightandcorrosionresistant.
• NEMATypes2,3,3R,4,4X,5,12,13
Standard Materials
• Bodiesandnuts:copperfree(4/10of1%max.)aluminum
diecast
• O-ring:BUNA-N
• Insulator:polypropylene
• Groundscrew:stainlesssteel
NEC/CEC Certifications and Compliances
• ULStandard:514B
• ULListed:E-24264,E-11853
• CSAStandard:C22.2No.18.3
• CSACertied:065178
• NEMA:FB-1
Hub Spacing
Knockout
Hole Size
mm (in)
Trade
Size
(Inches)
Dimensions in Millimeters (Inches)
1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 3-1/2" 4"
22.4
(.88)
1/2
39.6
(1.56)
28.7
(1.13)
3/4
42.9
(1.69)
46.0
(1.81)
35.1
(1.38)
1
46.7
(1.84)
50.5
(1.99)
54.1
(2.13)
44.5
(1.75)
1-1/4
51.6
(2.03)
54.9
(2.16)
58.7
(2.31)
63.5
(2.50)
50.8
(2.0)
1-1/2
56.4
(2.22)
59.4
(2.34)
63.5
(2.50)
68.3
(2.69)
73.2
(2.88)
63.5
(2.5)
2
62.7
(2.47)
65.8
(2.59)
69.9
(2.75)
74.7
(2.94)
79.5
(3.13)
85.9
(3.38)
75.4
(2.97)
2-1/2
69.1
(2.7)
72.1
(2.8)
76.2
(3.00)
81.3
(3.20)
85.9
(3.38)
92.2
(3.63)
98.0
(3.86)
91.2
(3.59)
3
77.0
(3.03)
80.3
(3.16)
84.6
(3.33)
88.9
(3.50)
92.0
(3.61)
97.3
(3.83)
106.4
(4.19)
114.3
(4.50)
104.9
(4.13)
3-1/2
84.8
(3.34)
88.1
(3.47)
92.2
(3.63)
98.3
(3.87)
101.6
(4.00)
108.0
(4.25)
114.3
(4.50)
122.2
(4.81)
130.3
(5.13)
117.9
(4.64)
4
91.2
(3.59)
94.5
(3.72)
98.0
(3.86)
103.4
(4.07)
108.0
(4.25)
114.3
(4.50)
120.7
(4.75)
128.8
(5.07)
136.1
(5.36)
146.1
(5.75)
Dimensions in bold are for centers of conduits of same size, all other dimensions are for centers of conduits of a different size.
HUB HUBG
Illustrated Dimensions
HUB Series HUBG Series
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© February 2017
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commercial and industrial fittings: rigid and imc conduit fittings