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Old 12-06-2010, 08:39 AM   #1
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Aluminum Conduit and Steel Fittings

When an electrician installs an aluminum mast in a steel meter base and more aluminum down into a steel LB fitting, isn't there a corrosion issue due to dissimilar metals? Are there aluminum fittings?

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Old 12-06-2010, 10:16 AM   #2
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Aluminum Conduit and Steel Fittings

This may help. Can you spot the problems here though?

NEC 2008

Dissimilar Metals. Where practicable, dissimilar metals in contact anywhere in the system shall be avoided to eliminate the possibility of galvanic action. Aluminum fittings and enclosures shall be permitted to be used with steel RMC where not subject to severe corrosive influences
1) I don't know what Code generation is applicable to your area
2) This speaks of AL conduit bodies and steel Rigid Metal Conduit (RMC). Your case is the opposite.

Last edited by Anti-wingnut; 12-06-2010 at 08:43 PM.
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