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Home ACline wiring: best way to splice?

Posted by FidPup (A) on December 29, 2007 at 09:34:22

Hi, all,

When our house was built in 1990 the electrical contractor ran an extra AC line to the (unfinished) basement. The line is the usual residential "14/2 with ground" (three-wire) 15 amp flat cable, runs from the breaker box to a junction box on the ceiling joists of the basement.

I would like to extend this unused line to make a dedicated outlet in my listening room.

I would simply have to extend the line about 30 feet to the (already installed) wall outlet in the listening room. I would be using the same wire type to extend the line.

My question: what would be the best way to splice the three 14-gauge wires? I know an electrician would probably twist the wires and apply a wire nut, or use some kind of crimp fastener.

In the interest of making a solid connection for best current delivery, and to avoid future oxidation, my inclination would be to:

1) thoroughly clean the wires with contact cleaner or metal polish
2) tightly twist the wires around each other longitudinally
3) solder the connection
4) cover each of the three splices with heavy shrink tubing and maybe additional electrical tape over the whole thing

Can anyone recommend a better or more effective splicing technique? Is there a "proper" splicing method that might be required to meet electrical codes?

I know the "easiest and best" procedure would be to hire an electrician to simply run an intact line all the way from the breaker to the outlet, but it seems like such an easy and fun project!

Thanks!

Ken

Edits: 12/29/07

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