Leviton 421 Dy3 1 8 Volt 3 Phase Wye 2v 3 Phase Delta Panel Protector 4 Mode Protection Compatible With Decora Home Controls Circuit Breaker Panels Amazon Com
The most common commercial building electric service in North America is 1/8 volt wye, which is used to power 1 volt plug loads, lighting, and smaller HVAC systems In larger facilities the voltage is 277/480 volt and used to power single phase 277 volt lighting and larger HVAC loadsAnswer (1 of 5) This may be a bit confusing, but there is no such voltage in a 3phase 4wire system, rather the voltage exists only because the Neutral is commonly bonded to ground The confusion arises, in part, because "ground" has two very different meanings one is
