S sdmcaul Member Location Glenwood, Maryland, United States Jan 31, 2012 #1 How is it that you can install a steel fitting into a cast aluminum box without the dissimilar metals problem?
How is it that you can install a steel fitting into a cast aluminum box without the dissimilar metals problem?
Dennis Alwon Moderator Staff member Location Chapel Hill, NC Occupation Retired Electrical Contractor Jan 31, 2012 #2 Duplicate go here