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#618 - 02/14/01 09:32 AM Nonmetallic pipe
rignejd Offline
Junior Member

Registered: 02/14/01
Posts: 1
Loc: Danville Virginia
Where in the NEC does it require nonmetallic pipe to be glued? If so, is a primer required?

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#619 - 02/14/01 10:18 AM Re: Nonmetallic pipe
resqcapt19 Offline

Registered: 11/10/00
Posts: 2209
Loc: IL
110-3(b) because it is in the UL listing. The white book says: "PVC conduit is designed to be connected to couplings, fittings, and boxes by the use of a suitable solvent type cement. Instructions supplied by the solvent type cement manufacturer describe the method of assembly and are to be followed." I have never seen instructions of electrical grade solvent type cement requiring the use of a primer. Also 347-6 requires the use of an "approved" method.

#620 - 02/14/01 01:22 PM Re: Nonmetallic pipe
Tom Offline

Registered: 01/01/01
Posts: 1069
Loc: Shinnston, WV USA
Don has nailed this answer 100%.

I have used the primer on ocaision. The reason I've used it is because some fittings are fairly loose when installed on conduit of a different manufacturer. Priming the conduit & fitting makes a better bond between the two.
Few things are harder to put up with than the annoyance of a good example.


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