Way Outta Control
Join Date: Sep 1999
Location: The Palouse
Thanked 3 Times in 3 Posts
Re: Can you ground something to aluminum?
Let me chime in here again.
House and Mobile Home wiring has been made from aluminum between about 1960 and 1972. The inherent problems of aluminum is that it expands and contracts with heat, current flow, etc. This presents problems with outlets and even screw-down termination points in the distribution panels.
To avoid problems in the distribution panels a paste is used on the wire to help conduct the electricty.
I've seen where circuits in a home would fail to deliver electricy only to find the terminating screws were backing out of the lugs due to vibration of the heat/cool cycle of the aluminum wire. Paste helped this problem.
I've responded to numerous house and mobile home fires in the 70's/80's that were traced back to the outlet/aluminum wire connection. The connection would heat, and over time crystalization would occur in the outlet, and oxidation in the wire. This forms resistance, which furthers the process faster.
This is where I formed my opinion for aluminum wire in homes.
I extend that to vehicles. Homes have a protected enviroment for the wiring. Jeeps do not. The aluminum is always under stress from heat to cold, vibration, etc., and IMHO using aluminum for a ground will likely end in electrical problems.
Most grounding in these cases occur through the steel bolt inserted into the aluminum.