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Electrical Question From Donald About Circuit Breaker
Question: What is the internal connection of a 220v breaker? Does it trip only if current over its rating is detected phase to phase? Also what is the internal connection of a 3 phase breaker?
Electrical Question about: Circuit Breaker
Received from Donald a Handyman in WI
[ad#block]Question: What is the internal connection of a 220v breaker? Does it trip only if current over its rating is detected phase to phase? Also what is the internal connection of a 3 phase breaker? A 20A 3 phase breaker trips if over 20A is detected between any 2 phases? Or do both of them detect over current of individual phases to ground?
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Home Electrical Wiring Resources
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Be Careful and Be Safe – Never Work on Energized Circuits!
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The following may also be helpful for you:
Electrical Wiring Video #2
Home Electrical Wiring Videos about this Topic and More
Dave's Companion Guide to Home Electrical Wiring:
Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
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