Cut Sheet

Rigid and Intermediate Metal Conduit Fittings
Blackjack
®
— Grounding Bushing
Lug Screw
14-4: Slotted
14-2/0: Slotted
6-4/0: Internal hex drive
For Threaded and Threadless Rigid and IMC Conduit
Nylon Insulator (150º C)
Mounting Screw
ØB
Throat I.D.
CAT. NO.
ZINC PLATED CONDUIT ØA ØB MIN. C D E WIRE
MALLEABLE IRON ALUMINUM SIZE MAX. THROAT I.D. MAX. MAX. MAX. RANGE
BG050-14-20 BGA050-14-20
1
⁄2" 1.251 .569 1.181 2.134 .696 14-2/0
BG050-14-4 BGA050-14-4
1
⁄2" 1.251 .569 1.027 1.940 .696 14-4
BG075-14-20 BGA075-14-20
3
⁄4" 1.533 .772 1.221 2.414 .696 14-2/0
BG075-14-4 BGA075-14-4
3
⁄4" 1.533 .772 1.030 2.168 .696 14-4
BG100-14-20 BGA100-14-20 1" 1.783 .993 1.181 2.581 .696 14-2/0
BG100-14-4 BGA100-14-4 1" 1.783 .993 1.027 2.368 .696 14-4
BG125-14-20 BGA125-14-20 1
1
⁄4" 2.220 1.319 1.181 2.987 .759 14-2/0
BG150-14-20 BGA150-14-20 1
1
⁄2" 2.470 1.553 1.181 3.236 .696 14-2/0
BG200-14-20 BGA200-14-20 2" 2.830 2.010 1.181 3.766 .696 14-2/0
BG250-14-20 BGA250-14-20 2
1
⁄2" 3.418 2.412 1.181 4.341 .978 14-2/0
BG250-6-40 BGA250-6-40 2
1
⁄2" 3.418 2.412 1.524 4.526 .978 6-4/0
BG300-14-20 BGA300-14-20 3" 4.042 3.022 1.181 4.966 .978 14-2/0
BG300-6-40 BGA300-6-40 3" 4.042 3.022 1.524 5.139 .978 6-4/0
BG350-14-20 BGA350-14-20 3
1
⁄2" 4.542 3.491 1.181 5.467 .978 14-2/0
BG350-6-40 BGA350-6-40 3
1
⁄2" 4.542 3.491 1.524 5.639 .978 6-4/0
BG400-14-20 BGA400-14-20 4" 5.042 3.975 1.181 5.966 .978 14-2/0
BG400-6-40 BGA400-6-40 4" 5.042 3.975 1.524 6.139 .978 6-4/0
BG500-14-20 BGA500-14-20 5" 6.136 4.991 1.181 7.045 .978 14-2/0
BG500-6-40 BGA500-6-40 5" 6.136 4.991 1.524 7.207 .978 6-4/0
BG600-14-20 BGA600-14-20 6" 7.199 6.009 1.181 8.087 .978 14-2/0
BG600-6-40 BGA600-6-40 6" 7.199 6.009 1.524 8.409 .978 6-4/0
Suggested Specifications: Insulated grounding and bonding bushing (Series BG050-BG600)
Where code requires bonding and grounding of single or multiple metal conduits, or positive bonding and grounding of metal conduit to the box, enclosure or auxiliary gutter,
the end of the conduit shall be equipped with an insulated metallic grounding and bonding bushing series BG050-14-20 as manufactured by Thomas & Betts.
Grounding and bonding bushings used shall be approved for the purpose and
(i) Shall be of malleable iron/steel/aluminum construction adequately protected
against corrosion.
(ii) Bushing insulator shall be listed or certified for 150° C/302° F application
with a flammability rating of 94V-O. Insulator must be positively locked in place.
C
D
E
ØA
A-9
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