Splicing in cable tray (wire nuts)

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atbritts

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Under NEC 392.8a, do you think that wire nuts are considered an approved splicing and insulating method for 12awg wire carrying 120vac in a cable tray?
Thanks
 
atbritts said:
Under NEC 392.8a, do you think that wire nuts are considered an approved splicing and insulating method for 12awg wire carrying 120vac in a cable tray?
Thanks
Click to expand...

What year of the NEC do you have? 2014 and 2017 do not have a 392.8(A)
 
A wire nut may be approved for splicing the wire together, but, they suck as far as an insulated splice.

If I had to resort to using a wire nut in a cable tray , I'd be taping the wire nut off just for good measure.

JAP>
 
atbritts said:
Under NEC 392.8a, do you think that wire nuts are considered an approved splicing and insulating method for 12awg wire carrying 120vac in a cable tray?
Thanks
Click to expand...

Are #12 single conductors allowed in cable tray?

392.10(B)(1)
(1) Single-conductor cables shall be permitted to be installed in
accordance with (B)(1)(a) through (B)(1)(c).


(a) Single-conductor cable shall be 1/0 AWG or larger and
shall be of a type listed and marked on the surface for use in
cable trays. Where 1/0 AWG through 4/0 AWG single-conductor
cables are installed in ladder cable tray, the maximum allowable
rung spacing for the ladder cable tray shall be 225 mm (9 in.).
 
tkb said:
Are #12 single conductors allowed in cable tray?

392.10(B)(1)
(1) Single-conductor cables shall be permitted to be installed in
accordance with (B)(1)(a) through (B)(1)(c).


(a) Single-conductor cable shall be 1/0 AWG or larger and
shall be of a type listed and marked on the surface for use in
cable trays. Where 1/0 AWG through 4/0 AWG single-conductor
cables are installed in ladder cable tray, the maximum allowable
rung spacing for the ladder cable tray shall be 225 mm (9 in.).
Click to expand...

That's a good point.

JAP>
 
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