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Old 08-25-2008, 10:34 AM   #1
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Help on connecting


I had an electrician do some wiring to allow me to add an outside light in future. He tried to set this up so it would be "easy" for me to do. He is on vacation and I have a question.

There is a junction box which is in basement which has a black wire and a white wire. These are for future connection to outside light. Thereare two switches in 2-gang box which has two black wires in a pigtail coming from the romex for each of existing lights connected together with a wire nut. The other end of each of these goes to one switch leg. There are 2 black wires each going to the other switch leg with an extra black wire not connected to anything.

I'm assuming the wire not connected is the one from the basement for the new outside light.

Can I add a switch for the new light making the 2-gang into a 3, or what is best way to add the new light to one of existing switches? I'm assuming I shouldn't add 2 wires to a switch terminal.

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Old 08-25-2008, 12:08 PM   #2
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Help on connecting


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Originally Posted by rockee View Post
I had an electrician do some wiring to allow me to add an outside light in future. He tried to set this up so it would be "easy" for me to do. He is on vacation and I have a question.

There is a junction box which is in basement which has a black wire and a white wire. These are for future connection to outside light. Thereare two switches in 2-gang box which has two black wires in a pigtail coming from the romex for each of existing lights connected together with a wire nut. The other end of each of these goes to one switch leg. There are 2 black wires each going to the other switch leg with an extra black wire not connected to anything.

I'm assuming the wire not connected is the one from the basement for the new outside light.

Can I add a switch for the new light making the 2-gang into a 3, or what is best way to add the new light to one of existing switches? I'm assuming I shouldn't add 2 wires to a switch terminal.
Your assumption seems right to me, especially if the electrician told you he made it easy for you to connect the light. The spare black is most likely the hot leg for the new switch.
You also need an un-switched white/neutral going to the light.

You can buy a double switch (2 switches that takes up one gang of the yoke) Connect the black spare and a new switch leg to the switch. Just like the other switches are connected. Connect the white to the white in the fixture and switch box. Connect the bare ground the same way as the white and connect it to the fixture ground lead or terminal.

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