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kapp10

03:21AM | 04/21/07
Member Since: 04/20/07
2 lifetime posts
Bvelectrical
I want to add two recessed lights to an existing recessed light. The existing light has 14/2 wire running from a 15amp. I have extra 12/2 wire. Can I connect new 12/2 wire to the existing 14/2 wire?

Billhart

04:35AM | 04/21/07
Member Since: 04/25/05
1915 lifetime posts
There is no prohibition to use larger wires.

But it is generally considered as poor practices when there is no specific reason for it, such as using a larger guage wire for a long run to reduce voltage drop.

Some one working on it in the future might be confused and think that the whole circuit is #12 and replace the breaker with a 20 amp one.

Also if you are making the splice in the can light box check the box fill. Those boxes are small.

kapp10

05:24AM | 04/21/07
Member Since: 04/20/07
2 lifetime posts
Thanks, I'll also check the box for tight fit (good point). I'm hoping the 14/2 wire running to the main box will keep anyone from changing it to a 20amp. The 12/2 wire will only be used in the attic to connect the lights. Thanks again!
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