I understand the principal of E-P enclosures, but I used to use this stuff (the HTL) on aluminum fittings in a Class1 Div.1 location.
http://www.crouse-hinds.com/CrouseHinds/pdf/CH62318A-0139.pdf Sometimes the aluminum would begin to gall before you could meet your "5 threads and wrenchtight" requirement.
BTW,
I thought the idea was to force the flame from an explosion through the tight tolerances of the threads (on pipe & conduit bodies) or the polished faces (on enclosures)thereby cooling the flame to the point of extinguishment before it can reach the flammable environment?
[This message has been edited by Redsy (edited 07-14-2005).]
