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metal-corrugated sheet roof decking light support

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shputnik

shputnik

Senior Member
Location
Utah
Occupation
Expert wirenut installer
There is a caddy product that punches holes in the metal-corrugated sheet roof decking but I'm curious if it's acceptable to just screw self tappers with washers to hold the jack chain for light fixture support. I have done this before but never pondered if it was actually legal.
 
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