Only speaking for myself here. If I had to deal with it, I probably would do whatever I could to tear out all the alu. & redo with copper. Why you may ask. For exactly what you are saying & reading. I think manufacturers of wire & devices as well as regulating authorities are so fearful of law suits they doubt there own products & science to the point that you have to ask...What the devil are they talking about.
Aluminum wire --Again
Read an interesting article at https://inspectapedia.com/aluminum/Aluminum_Wiring_Repair_COALR.php. I believe it is building inspector site. At the end, the summary is "don't half way fix the problem. Do it right with proven procedures and material". I also read an article about using the CO/ALR device for switches and receptacles. BUT---it recommended not using the early ones that have "dark rough finish" screws . Use the newer ones with a more shine finish. WHAT? I think my head is going to explode. So the few I used 8-10 years ago are no good ?
So my future changes or updates will be with ALUMICONN connectors with copper pigtails and copper devices. I also purchased a torque screwdriver. Today I opened a single outlet that has ground wires twisted with a wire nut (30 years old?). The wire nut was used to secure an aluminum ground pigtail leaving the twisted grounds going to the receptacle.
1. When aluminum grounds are twisted together, is there an alternative to the expensive and HUGE purple wire nut?
2. If I need a piece of aluminum ( 12 ga. or 10 ga.) wire for pigtail, where can I find it?
So my future changes or updates will be with ALUMICONN connectors with copper pigtails and copper devices. I also purchased a torque screwdriver. Today I opened a single outlet that has ground wires twisted with a wire nut (30 years old?). The wire nut was used to secure an aluminum ground pigtail leaving the twisted grounds going to the receptacle.
1. When aluminum grounds are twisted together, is there an alternative to the expensive and HUGE purple wire nut?
2. If I need a piece of aluminum ( 12 ga. or 10 ga.) wire for pigtail, where can I find it?
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