Electrical Power and Panel Board Ratings
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In 220volts 3 phase we see on panel board written 440volts. I’m wondering because when I counting this 3 times as equal to 660volts… © By: Dave Rongey |
Electrical Power and Panel Board Ratings
Background: Noor, a Electrician from Jalalabad, Afghanistan
[ad#block]Question: Dear sir, In 220volts 3 phase we see on panel board written 440volts. I’m wondering because when I counting this 3 times as equal to 660volts can you explain me about this why 220volts 3 phase known for440volts
Additional Comments: I like it very much because when I face trouble than i’m searching this for electrical essential.
Dave’s Reply:
Thanks for your electrical question Noor.Your calculations are logical, however incorrect. I will have to do a whole section devoted to electrical power and power transformation to explain this further.
I have provided the following links that lead to fully detailed information on this website that will assist you with your electrical question:
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Hi Bill,
Typically a problem with an electrical circuit does not damage a circuit breaker, it just causes the breaker to trip off. The circuit and the light fixture should be inspected for a faulty condition and repaired as needed. The circuit breaker should then be reset and turned back on to test the circuit for normal operation.
I hope this helps,
Dave
My outdoor patio lights failed. A circuit breaker in the fuse box in garage beeps. I assume I should replace this breaker. Comments as to my intended action? Thank you.