Extending 110 wiring

Old 07-31-03, 11:07 AM
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Extending 110 wiring

Hi All,

I've recently removed the gyprock from a wall diving my dining room and living room exposing the wires so that I can plan on how to re-route them. Luckily, my dining room and living room are over the portion of the basement where the ceiling is not completed. So I can pass the wires through the basement.
However, I need to make the wires longer in order to do so.

My question is, since I don't actually have an end of the wire, I need to cut the wire and add the necessary length of new wire.
This would involve adding 2 junction boxes for every wire that I extend.

Is this ok to add 2 junction boxes?

When connecting my wires to the junction boxes, i know to secure the wires in the boxes and connect the wires together with Marrets (Connectors) but Im curious if I do the same with the ground wire or do I ground the 2 ground wires to the junction box only or do I do both and ground the wires to the box while connecting them together?

Any help greatly appreciated!
Old 07-31-03, 11:15 AM
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You are allowed to have as many junction boxes as you need, as long as they remain permanently accessible. All splices must be in permanently-accessible junction boxes.

If you can remove the cable back to the nearest box that will remain on both sides, you can avoid a junction box altogether by using a longer cable. If you can only go back to one side, you only need one junction box since you can use a longer cable on that side. If you cannot go back to the nearest box on either side, you will likely need two junction boxes as you stated.

Grounding wires are joined with wire nuts the same as the other conductors. If the box is plastic, that's all there is to it. If the box is metal, join them to each other and to the box with a wire nut and pigtail. To avoid this extra complication, most people prefer the plastic boxes.

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