If an interruption occurs in a switch, there will be no electricity beyond that point. Voltage passes through these devices in order to continue down the line. Household circuits don't operate like that, you have a consistent average of 120 volt at each receptacle, no matter how many loads you have on the circuit.īy contrast, switches and circuit breakers are wired in series. And if the appliance in the first receptacle shorted out or failed in some other way, it would interrupt the current to the other outlets in the circuit. If wall receptacle circuits operated like that, you wouldn't be able to plug an appliance in down stream from another appliance in the same circuit because the voltage wouldn't be sufficient to run it. A series circuit will drop (use) some voltage at each load until it dwindles to an insufficient level at some point down the line. The load itself conducts current down the line to the subsequent loads in the circuit. In a series circuit, current must pass through a load at each device. But, in fact, all household receptacles are always wired in parallel, and never in series. Make sure the charger you buy contains the important seal.It's common to describe household wall receptacles that are wired together using the device terminals as wired in series.
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