240v 208v 120v nec Wire 277v waterheatertimer 120v 3ph 120vac fairly supplies
120/208 Three Phase Wiring
3-phase to single phase 208 High leg delta
3-phase to single phase 208 High leg delta
240v 208v 120v nec Wire 277v waterheatertimer 120v 3ph 120vac fairly supplies