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Manufacturer Resources
Product Specs
- Number Of Batteries:
- 0
- Product Group:
- Electrical Boxes
- Product Type:
- 2 Gang, Deep Device Box, Dead End
- Department:
- Electrical
- Product Subgroup:
- Electrical Boxes
- Product Material:
- Iron
Thomas & Betts FD22-TB – Frequently Asked Questions
1) What is a Thomas & Betts FD22-TB box used for?
The FD22-TB is a 2-gang deep device box in cast iron, used where conduit runs terminate and a wiring device or switch needs to be mounted. The FD style body gives you the deeper cavity for two devices plus conductors, and it takes 3/4 inch conduit hubs.
2) What does dead end mean on the FD22-TB box?
Dead end means the box is a terminating body, not a through body. The FD22-TB has hubs on one end only, so the conduit comes in from a single direction and stops there. If you need conduit entering and leaving the same box in a straight run, you want a through-feed FD body instead.
3) Does the Thomas & Betts FD22-TB come with a cover?
No cover is included. The FD22-TB is the box body only, ordered under part number FD22-TB, so you also need to specify a 2-gang FD cover matched to the device you are installing (duplex, toggle, or blank) along with the gasket if the location calls for one.
4) Can I mount two devices in the FD22-TB, like a switch and a receptacle?
Yes. It is a 2-gang body, so two standard wiring devices fit side by side. The deep profile is what gives you the conductor room behind them.
5) Is the FD22-TB box metal or plastic?
Cast iron. That matters on two counts: it takes the mechanical abuse of an industrial or exterior run, and being a metallic body it bonds through the threaded conduit connection rather than relying on a separate grounding path the way a nonmetallic box would.
6) Will the FD22-TB work with EMT conduit?
Not directly. FD bodies are threaded for rigid or IMC, so EMT needs an EMT-to-threaded-hub fitting at the box. The hub size to match is 3/4 inch.
7) What is the difference between an FD box and an FS box?
Depth. An FS body is the shallow version and an FD is the deep one, same footprint and same cover. Pick the FD22-TB when you are stacking two devices with a lot of conductors or pigtails behind them and the shallow body would crowd the box fill.
How fast can I get the Thomas & Betts FD22-TB delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Thomas & Betts FD22-TB come with a warranty?
Absolutely. The Thomas & Betts FD22-TB is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Thomas & Betts FD22-TB?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Thomas & Betts FD22-TB from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.