January 2, 2009, Newsletter Issue #22: What is a Low Voltage Circuit Breaker?
Tip of the Week
If you are still learning about electric wiring, residential power supplies and how your GE breakers fit into the picture, it's easy to misinterpret the purpose of low voltage circuit breakers. In this case, "low voltage" simply means a circuit breaker rated to handle a load of 600 volts or less. Since most homes use mains rated between 100-400 volts, they only require low voltage circuit breakers.
High voltage circuit breakers are made for heavy-duty use rather than in-home applications. Your low voltage circuit breakers are designed to trip based on heat measurements; the heat from a normal load is lower than a high current. When the heat goes above the limit the GE circuit breaker is calibrated for, the breaker trips and cuts the power. You can reset the circuit breaker, but if the high load continues, the breaker will trip once more.
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