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1 1/2 INCH EXP/DEFL COUPLING
Manufacturer Resources
Product Specs
- Number Of Batteries:
- 0
- Product Group:
- Conduit & Fittings
- Product Type:
- XD Expansion/Deflection Couplings
- Department:
- Electrical
- Product Subgroup:
- Couplings
- Product Material:
- Ductile Cast Iron
Thomas & Betts XD5-TB – Frequently Asked Questions
1) What conduit size does the Thomas & Betts XD5-TB expansion/deflection coupling fit?
The XD5-TB is the 1-1/2 inch size in the Thomas & Betts XD expansion/deflection coupling line. Order it for 1-1/2 inch conduit runs only; other trade sizes use different XD part numbers.
2) What is the difference between an expansion coupling and an expansion/deflection coupling like the XD5-TB?
A straight expansion coupling only takes up movement along the axis of the conduit, which is what you want for thermal growth on a long straight run. The XD5-TB is an expansion/deflection type, so it handles axial movement plus angular deflection, which is what a building expansion joint or a seismic separation actually does, the two sides move apart and shift sideways. If your conduit crosses a structural joint where the two structures can move in more than one direction, the deflection type is the one to specify.
3) I need a fitting where conduit crosses a building expansion joint. Is the XD5-TB the right part?
For 1-1/2 inch conduit, yes. Expansion/deflection couplings are the fitting specified where a raceway passes a structural expansion or seismic joint, because the conduit has to be free to move without stressing the boxes or the run. The XD5-TB covers that condition in 1-1/2 inch. For any other trade size on the same job, pick the matching XD part number for that size.
4) What is the Thomas & Betts XD5-TB coupling body made of?
Ductile cast iron. That is the body material on the XD5-TB 1-1/2 inch expansion/deflection coupling, which is why it is used on rigid conduit crossing building joints rather than a light sheet metal fitting.
5) Is the XD5-TB a standard conduit coupling I can use to join two lengths of pipe?
No. A plain coupling just joins two conduit ends rigidly. The XD5-TB is an expansion/deflection coupling, a movement fitting for a point where the raceway has to flex. Using one as an ordinary joint is expensive and unnecessary, use a standard 1-1/2 inch conduit coupling there instead.
6) What exact part number should I give my distributor for the 1-1/2 inch Thomas & Betts expansion deflection coupling?
Thomas & Betts XD5-TB. That is the manufacturer part number for the 1-1/2 inch expansion/deflection coupling, ductile cast iron body. One model, no handing or finish options to specify.
How fast can I get the Thomas & Betts XD5-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 XD5-TB come with a warranty?
Absolutely. The Thomas & Betts XD5-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 XD5-TB?
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