Household Circuits Diagram

These diagrams show a typical circuit path from the power company through the main electrical panel and to the outlets (light sockets, switches, and outlets).

120V A&B Phase

Neutral

Electric meter

Ground and neutral are connected together

in one location only, at the neutral point either at the power company transformer or in the main electrical panel.

The potential difference between the A phase and B phase is 240 volts.

Main breaker

Neutral

bar

Two pole

circuit breaker

for electric oven, dryer and/or air conditioner

Electrical Circuits

Electrical Circuits Page 2