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Open Roads Forum  >  Class A Motorhomes

 > circuit breakers

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tahiti16

Camarillo, CA

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Posted: 04/16/12 09:54pm Link  |  Print  |  Notify Moderator

Can we assume that if the micro isn't running the toaster circuit is fine? How long does the toaster go before popping the cb? Does the cb for the micro and the plug pop or just one of them? Which one?
What may be happening is you are pulling the voltage down and that causes you to pull to many amps. Take a dvm and check the voltage at the plug before turning on the toaster and after, do you have 115 =/- a few volts?


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2ndhom

Eugene, Oregon

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Posted: 04/16/12 11:27pm Link  |  Print  |  Notify Moderator

pappaone wrote:

I have the RV hooked up to 50 amp service, AC is not on, waater heated is on gas, but also not on. The tv is on, micro wave running and if we try to make toast at the same time one of the circuit breakers in the MH trips. sppears that all the electric outlets are on one breaker.

Our breaker pops when using micro-wave, coffee maker & toaster at the same time!!

oldtrucker63

Harlan Kentucky

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Posted: 04/16/12 11:39pm Link  |  Print  |  Notify Moderator

pappaone wrote:

I have the RV hooked up to 50 amp service, AC is not on, waater heated is on gas, but also not on. The tv is on, micro wave running and if we try to make toast at the same time one of the circuit breakers in the MH trips. sppears that all the electric outlets are on one breaker.
I would say it is on a 15 amp breaker, I have a 20 amp in mine but I wired the RV myself with 12/2 wiring, With 20 amp beakers and small wire it could start a fire.


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jvander

Indianapolis

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Posted: 04/17/12 07:32am Link  |  Print  |  Notify Moderator

Check your breaker connections too. Sometimes the coach builders use stranded copper wire instead of solid. The copper corrodes, which on stranded wire adds up to a lot of corrosion. The corrosion causes a bad connection and the breaker terminal heats up causing the breaker to trip before the amperage draw is exceeded. A similar thing happens if they use aluminum wire.
To inspect the wire: disconnect your shore power, turn off the genny, pull your breaker panel off, loosen the terminal screw for the breaker and pull the wire out. If the wire is all corroded you will have to cut the corroded part off before you reconnect.


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