Power – Homes

04/07/2020

power plant to house electricity

distribution transformer 

Typical Pole 7200V to 240V Transformer outside a house

https://www.se.com/library/SCHNEIDER_ELECTRIC/SE_LOCAL/US/FA101694/1%20phase%20transformer%20chart.JPG

120-240Volt transformer

 

Meter box and weatherhead

Meter and meter box

 

Inside Main Breaker Box

In household electricity, both Hot busbars are identical except out of phase with each other.
With 120 volts a single wave oscillates up and down.
Using 240Volts doubles the wave since each wave is out of phase with the other.

Phasing and voltage is determined by the transformer.

main breaker box

Install circuit breaker