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Question about Aluminum Wiring/compatibility with newer light fixtures

Question about Aluminum Wiring/compatibility with newer light fixtures


Old 03-30-06, 07:27 AM
Thread Starter
Join Date: Mar 2006
Posts: 2
Exclamation Question about Aluminum Wiring/compatibility with newer light fixtures

Hi there,

I'm considering buying a house with Aluminum wiring, and will likely be doing some remodelling if I do.

I'm pretty sure the house has aluminum wiring throughout. I was specifically considering installing recessed halogen pot lights in the kitchen. Are these newer type fixtures compatible with Al wire? I know that receptacles with screw-type fittings are not, and specially rated ones must be used in replacement projects...

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Old 03-30-06, 08:15 AM
bolide's Avatar
Join Date: Jan 2006
Location: PA
Posts: 1,909
Thumbs down

Aluminum branch wiring is not compatible with DIY.

Replace it.
Old 03-30-06, 08:22 AM
Join Date: Aug 2004
Location: NA
Posts: 1,065
If the house has aluminum wiring it must be at least 12 awg no 14 awg. Insurance rates often times are higher for homes wired with aluminum... if the company is aware of it of course.
Aluminum wires present termination issues of compatiblity with copper wires. Special connectors are required for copper wires connecting to aluminum wires. As far as the fixture is concerned it doesnt care but the recessed fixture wires will require cu/al connectors usually requiring special application by a certified individual. Your typical wirenut is not acceptable. If your in Canada I believe the only compliant method is the coalum crimp.
Old 03-30-06, 09:29 AM
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Join Date: Jul 2002
Location: Maryland
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Your other issue with the recessed lights is going to be that they require 90 degree C rated insulation. The aluminum cable will not have this rating and cannot be used.

The 90 degree rating became available around 1987, well past when aluminum wiring had stopped being used for branch circuits.
Old 03-30-06, 07:57 PM
Thread Starter
Join Date: Mar 2006
Posts: 2
I appreciate the responses!!! This is all valuable information. Looks like I'll have to completely replace the aluminum wire in the rooms I intend to renovate...

Thanks again!
Old 03-30-06, 09:53 PM
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Join Date: Feb 2006
Location: North of Boston, MA.
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USE This NO aluminium feed back, And buy down the price CONSIDERABLY. The whole house must be redone ETC.....

Good luck1

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