H heinny Member Feb 15, 2011 #1 can somebody explain what is UL 1660 for flexible nonmetallic conduit?
renosteinke Senior Member Location NE Arkansas Feb 15, 2011 #2 That is the name of the standard under which UL evaluates the product. Any such product with a UL lable on it complies with the standard. The standard assumes the product is installed according to NEC rules.
That is the name of the standard under which UL evaluates the product. Any such product with a UL lable on it complies with the standard. The standard assumes the product is installed according to NEC rules.
H heinny Member Feb 15, 2011 #3 minimum breaking strength of flexible coruggated conduit minimum breaking strength of flexible coruggated conduit What is the minimum breaking strength of flexible nonmetallic conduit (corrugated) under UL 1660?
minimum breaking strength of flexible coruggated conduit minimum breaking strength of flexible coruggated conduit What is the minimum breaking strength of flexible nonmetallic conduit (corrugated) under UL 1660?