Shielding with 120VAC circuits

[burchie]

I have a cable that has 2 conductors with a ground and a shield. I am connecting this to a 120 VAC circuit that is 20 amps.
One end of the cable is connected to a circuit breaker and the other end is connected to a Glovebox connector.

I do not know what to do with the shielding on the cable.
Do I connect it to ground and treat it like it is a conduit or do i tape it back at the connector end and ground it at the breaker?

 

[kwired]

Is it a cable listed for the application?

What do cable installation instructions say?

If the shield is in intimate contact with the grounding conductor - then it likely needs no special attention - just trim it back and out of the way, otherwise it may need fittings designed for use with the cable to connect it to grounding conductor.

 

[hbiss]

Glovebox connector?? Where is this installation??

-Hal

 

[wagnikon]

If this is one of those SO style cables and inside the conductors and ground are wrapped with a braided shielding, I have seen some instructions before that say you are supposed to open a hole in the base of the braid where you strip off the sheathing and work the conductors out of that hole. It is a real pain in the butt. Then you are supposed to heat shrink the braid from the base all the way up, except where terminating to the ground, then put a larger heat shrink on over the entire cable at the base where it was stripped out. The cable I used was a Belden cable designed to be hooked up to a motor from a VFD. Instructions came with the cable and that is how it was 'supposed' to be done.

 

[burchie]

Shielding with 120VAC circuits

Is it a cable listed for the application?

What do cable installation instructions say?

If the shield is in intimate contact with the grounding conductor - then it likely needs no special attention - just trim it back and out of the way, otherwise it may need fittings designed for use with the cable to connect it to grounding conductor.

There are no cable instructions for the application and no the sheild is not in contact with the ground and is insulated. I have a braided sheild and the cable will be laying in cable tray from the breaker to the connector on the glovebox.

 

[burchie]

If this is one of those SO style cables and inside the conductors and ground are wrapped with a braided shielding, I have seen some instructions before that say you are supposed to open a hole in the base of the braid where you strip off the sheathing and work the conductors out of that hole. It is a real pain in the butt. Then you are supposed to heat shrink the braid from the base all the way up, except where terminating to the ground, then put a larger heat shrink on over the entire cable at the base where it was stripped out. The cable I used was a Belden cable designed to be hooked up to a motor from a VFD. Instructions came with the cable and that is how it was 'supposed' to be done.

hello,
No this is not an SO type cable. This is a braided sheiled cablw with 2 C and a ground. all conductors are insulated within the cable. WOW...what a pain in the butt as you so eloquently described. Medium voltage and high voltage tell the individual in the NEC what they are suppose to do with the sheild. I cannot find anything for low voltages. I have been provided this cable and just don't know what to do with it for power circuits. I am connecting the cable at both ends for motors and VFD's.

 

[kwired]

There are no cable instructions for the application and no the sheild is not in contact with the ground and is insulated. I have a braided sheild and the cable will be laying in cable tray from the breaker to the connector on the glovebox.

Is it a cable type from somewhere in NEC chapter 3, or otherwise listed for a specific purpose? Otherwise I don't know that it would be permitted to be used, in compliance with NEC anyhow.