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Old 12-01-2010, 08:52 PM   #1
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Aluminum wiring questions


About half of my condo is wired with 12AWG aluminum wire. Next week I'm going to replace most of the outlets with CO/ALR types (currently they are all CU types and half are showing discoloration), and two I'm going to use the Alumiconn lug connecters so I can extend the wires for one and also add a GFCI for my bathroom. I've already went through my condo and checked all the splices and three needs to be re-spliced (I will be using this method for them).

However 3 of my light switches are wired like this:




As you can see, the two hots are wired together by the switch's terminal and "quickwire" hole. From what I read online the holes should not be used for aluminum wiring.

What I'm thinking about doing is disconnecting the HOTs and pre-splice them together (will add oxide inhibitor), than wrap a 6" 16AWG copper wire (like the type's used on dimmer switch's) around the splice and connect the other end to the light switch.




Would this be okay since it's only powering a 1 lightbulb fixture?

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Old 12-01-2010, 08:57 PM   #2
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Aluminum wiring questions


You have the concept of pigtailing down pat. You can do the same thing using the Alumi-conn. It will have 3 holes, 2 for the AL and one for the copper.

Be sure to use a torque screwdriver.

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Old 12-01-2010, 08:59 PM   #3
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Aluminum wiring questions


NO on the 16ga.you need same size wire as what is comming in to sw.and by the way,#12 alu is only good for 15 amps.
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Old 12-02-2010, 08:27 AM   #4
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Aluminum wiring questions


Quote:
Originally Posted by Jim Port View Post
You have the concept of pigtailing down pat. You can do the same thing using the Alumi-conn. It will have 3 holes, 2 for the AL and one for the copper.

Be sure to use a torque screwdriver.
Thanks for the input, I will be getting a torque screwdriver BTW.

Since I'm getting the screwdriver, should I also use it as well when installing the CO/ALR outlets? And if so, what should the torque be set to?
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Old 12-02-2010, 04:04 PM   #5
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Aluminum wiring questions


Another question I have is that I would like to add a outlet for my gas oven range, but the nearest other power source I can tight an outlet too would be the dishwasher's. The wiring connecting to the dishwasher is 10AWG aluminum and it's on a 20 amp breaker. Since the dishwasher only needs 10 amps (according to the specs), would it be okay to link the oven on the same circuit?
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Old 12-02-2010, 04:43 PM   #6
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Aluminum wiring questions


Quote:
Originally Posted by Electrode View Post
As you can see, the two hots are wired together by the switch's terminal and "quickwire" hole. From what I read online the holes should not be used for aluminum wiring.
Those holes should not be used for copper wiring either.

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