Cut Sheet

FS/FD Cast Device Boxes and Covers
A-51
United States
Tel: 901.252.8000
800.816.7809
Fax: 901.252.1354
Technical Services
Tel: 888.862.3289
www.tnb.com
Application
Accommodate wiring devices
Act as pull boxes for conductors in a threaded rigid
conduit system, including an internal ground screw
Provide openings to make splices and taps
in conductors
Provide access to conductors for maintenance
and future system changes
Connect conduit sections
Features
All hubs have NPT Threads with a minimum of five full
threads and integral bushing. Internal grounding screw
standard on boxes
Suitable for wet locations when used with gasketed covers
Available in shallow (FS) or deep (FD) boxes. Use
FD if device to be enclosed exceeds 1
5
8" in depth
Use blank bodies where special arrangements
of conduit hubs or entrances are required
All cover holes are #6-32
Mounting lugs are standard on all FS and FD boxes
Size Range
Hubs:
1
2" to 1" NPT
Materials
Boxes: Class 30 gray iron alloy
Covers: Sand cast aluminum alloy and sheet steel
Gaskets: Neoprene
Finish
Zinc-plated with aluminum acrylic paint
Listings/Compliances
UL 514A (wet locations when used with gasketed covers)
CSA C22.2 No.18
Dead-End
Dead-End
Cast Device Boxes
Thru-Feed