Must agree, Duct seal or DUX seal (been a few
years) try Greybar, W.W. Grainger, and other
parts houses- think couple ##s cost around $5-10
and probably last an individual a lifetime
(or take excess to next swap meet, and probably
sell it for about what you paid for it!)
Jim NN7K


John Passaneau wrote:
I use the Duct seal. It works well, your can get it off when needed and is
the standard stuff for that sort of work around here in the electrical
industry.