Rigid metal conduit must be provided with expansion fittings if necessary to compensate for thermal expansion and contraction [Sec. 300.7(B)]. The expansion characteristics for metal raceways are ...

The XJG-TB rigid conduit expansion coupling features a tamper-proof internal bonding jumper, reducing installation to a 3-step process. According to the company, no disassembly is needed during ...

Planning efforts for the Arkansas Valley Conduit will be stepped up once a congressional appropriation of $5 million is signed into law. “This really is a big step forward,” said Bill Long, pr… ...