Noalox Anti-oxident

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reyamkram

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Hanover park, il
I did a job on a pedestal at a a RV park, and the park is around 60 years old and each pedestal is feed with 2/0 Alu wire, the one I worked on burned up,
So, I installed a new pedestal, and used Noalox on the lugs where the ALU wire goes, The question is, I also put Noalox on the copper wire also, was that the
right thing to do, can I use Noalox on copper to copper, and will I have any future issues,????? see picture of the damaged box,

Thank you. for any and all information.
Reyamkram
 

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Some of those products are for aluminum conductors only, some for both copper and aluminum, and some for copper only. What does the label on the product say?
 
There is no potential downside to a compound that is purely an anti-oxidant or moisture sealant.
A product which promotes connection conductance by including metal partices within the compound might be specific to a particular combination of conductor metals.
 
GoldDigger said:
There is no potential downside to a compound that is purely an anti-oxidant or moisture sealant.
A product which promotes connection conductance by including metal partices within the compound might be specific to a particular combination of conductor metals.
Click to expand...
Exactly. For example, if the compound contains aluminum (and I believe some do), and its put on a copper termination, that could be a problem.
 
reyamkram said:
I did a job on a pedestal at a a RV park, and the park is around 60 years old and each pedestal is feed with 2/0 Alu wire, the one I worked on burned up,
So, I installed a new pedestal, and used Noalox on the lugs where the ALU wire goes, The question is, I also put Noalox on the copper wire also, was that the
right thing to do, can I use Noalox on copper to copper, and will I have any future issues,????? see picture of the damaged box,

Thank you. for any and all information.
Reyamkram
Click to expand...
No-Ox is fine on both. Just make sure that if you are mixing copper with aluminum you are using a product for dissimilar metal. Looks like the issue was insulation breakdown and going to ground more so than your terminations
 
Years ago we always used copper lugs and copper wire with no paste but now they are harder to get so it appears that most of us just use the dual rated lugs that are listed for copper or aluminium conductors. I have found aluminium #2 ( 100 amp ) service conductors that had the anti oxide paste on aluminum strands have the screws on 100 amp main breaker seezed and up where you were unable to turn the small screws that wish had a few more threads in them. This occured in damp locations the most so I removed the screws and apply a thin coating of anti oxide paste on screw threads. Came back as much as 35 years later and was able to easily turn screws on the 100 amp breakers. Believe all aluminum conductors are made with think it's called A800 material that is far superior then the material used back in the early 70's. Some people say that anti oxide paste therefore is no longer required but I still use it. I always had a dedicated brush to clean strands of aluminum conductors and keep it in a heavy plastic bag to keep it clean and never use that brush for anything else.
 
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