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The circuit breaker is one of the most important but least understood parts of your home electrical system, keeping you safe from electrical fires. Appliance Science looks at how they work.
Tandem breakers split a single-pole breaker slot into two 15—or 20-amp breakers, with two switches each controlling a separate circuit.
The common 120-volt circuits that power everything from your lava lamp to your vacuum cleaner are powered by one of those two buses. The standard 15- or 20-amp circuit breakers work by clipping ...
Appropriate for a two-pole 20-amp breaker or a single-pole 30-amp breaker. 8-gauge or 6-gauge wire Used for 40-, 50- and 60-amp two-pole breakers; large appliances. Also used to serve subpanels.