Archives for April 2012

Insulating bushings anyone??

Questions: when are insulating bushings required on conduits? Answer:¬†Where raceways contain conductors 4 AWG and larger, the conductors must be protected from abrasion during and after installation by a fitting that provides a smooth, rounded insulating surface, such as an insulating bushing ¬†300.4(f). For IMC and RMC, a bushing must   Read details