LITTLE KNOWN FACTS ABOUT ELECTRICAL PANEL UPGRADE.

One-pole 120V breakers only need to have just one slot over the panel. Double-pole 240V breakers need two slots. Tandem breakers join two 120V circuits in a single slot, which is helpful for modest electrical panels.The central panel breakers keep the residence’s electrical wiring safe. They separate it within the meter. If a breaker senses a ris