Rigid and Intermediate Metal Conduit Fittings

advertisement
tnb06_wrtrm_seca_p28_29
8/9/07
8:22 AM
Page A-28
Rigid and Intermediate Metal Conduit Fittings
Set Screw Connector/Coupling
(For Threadless Rigid Metal Conduit and Intermediate Metal Conduit)
Application
• To connect and effectively bond threadless
rigid metal conduit or intermediate metal
conduit to a box or enclosure or to couple
ends of threadless conduit
8124 Series
8125 Series
• Coupling provided with positive center stop
Standard Finish
• Suitable for concrete-tight application
Electro Zinc Plated &
Chromate Coated
Features
• Thickwall steel or malleable iron body
• Capable of carrying ground fault currents
up to 10,000 amps RMS (1⁄2" through 11⁄2" size)
and 20,000 amps RMS (2" and above sizes).
Listed/Certified by
• Hardened hex head cup point screw
to provide high-quality bond
Standard Material
• Screw captivated, will not vibrate loose
Body . . . . . . . . . . . . . . . . . . . 1⁄2" thru 2" Steel
21⁄2" thru 4" Malleable Iron
• Nylon insulated throat meets and exceeds
all code requirements for bushing:
Locknut . . . . . . . . . ⁄2" thru 2" Steel (hardened)
21⁄2" thru 4" Malleable Iron
CSA C22.2 No. 18
Screw . . . . . . . . . . . . . . . . . . Steel (hardened)
NEMA FB1
Insulator . . . . . . . . . . . . . . . . . . . . . . . . Nylon
Federal Specification A-A-50553
(i)
CSA (LR-2884, LR-4484)
Prevents thinning of insulation
(ii) Reduces installation effort
1
Conforms to
UL 514B
NFPA 70
Federal Standard H-28 (Threads)
(iii) Prevents first thread damage
Eliminates the need for conduit threading!
CAT.
NO.
Insulated Set-Screw Connector
8125
8225
8325
8425
8525
8625-TB
8725-TB
8825
8855
8975
• Captive hex head screws tighten
down onto conduit for positive holding
strength and ground
• Furnished with insulated throats
to reduce wire-pulling effort by
as much as 50%
UL (UL File No: E-23018)
8125 Series
• Approved concrete-tight
CONDUIT
SIZE
⁄2"
⁄4"
1"
11⁄4"
11⁄2"
2"
21⁄2"
3"
31⁄2"
4"
1
3
DIMENSIONS (IN.)
A
B
13⁄8
11⁄2
13⁄16
2
25⁄16
27⁄16
33⁄8
37⁄16
37⁄8
43⁄16
⁄32
⁄16
35
⁄64
5
⁄8
5
⁄8
11
⁄16
1
1
11⁄16
11⁄8
13
7
Sizes 1⁄2"–2" made of steel. Sizes 21⁄2"–4" are malleable iron.
Available with DURA-PLATE® Finish.
UL File No. E-23018 CSA File No. 2884
No need to thread conduit ends when joining rigid conduit!
Set-Screw Coupling
8124 Series
• Captive hex head screws
provide positive holding
strength and ground continuity
• Approved concrete-tight
CAT.
NO.
8124
8224
8324-TB
8424
8524
8624
8724
8824-TB
8854
8974
CONDUIT
SIZE
DIMENSION (IN.)
A
⁄2"
⁄4"
1"
11⁄4"
11⁄2"
2"
21⁄2"
3"
31⁄2"
4"
21⁄2
211⁄16
227⁄32
3
33⁄8
35⁄8
37⁄8
41⁄4
415⁄16
53⁄8
1
3
Sizes 1⁄2"–2" made of steel; sizes 21⁄2"–4" are malleable iron.
Available with DURA-PLATE® Finish.
UL File No. E-23018 CSA File No. 2884
A-28
www.tnb.com
United States
Tel: 901.252.8000
800.816.7809
Fax: 901.252.1354
Canada
Tel: 450.347.5318
Fax: 450.347.1976
Technical Services
Tel: 888.862.3289
Download