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Old 09-08-2017, 16:01   #1
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Power Panel - Shore power light

On my power panel, the indicator lamp for AC Main Shore is lit when the breaker is off. With the breaker off the AC meter is showing about 10 Vac - though this may be as far as the needle goes down.

Is there a problem here I need to look into?
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Old 09-08-2017, 22:36   #2
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Re: Power Panel - Shore power light

Probably .. is the boat plugged in ? Sometimes it's a power available light for main

Inverter on board?
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Old 10-08-2017, 07:40   #3
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Re: Power Panel - Shore power light

Plugged in. No inverter
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Old 10-08-2017, 08:14   #4
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Re: Power Panel - Shore power light

Probably verifying that shore power is AVAILABLE, trace the wiring; does it go to the line or the load side of the main breaker? I usually wire power available (amber) and power on (green) pilot lights for all power sources (shore, gen, inverter, etc)
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Old 10-08-2017, 09:40   #5
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Re: Power Panel - Shore power light

I would consider this to be an issue. I want to see the indicator lite when shore power attached. If I flip the breaker I want the light out and the power OFF. Is it possible the voltage meter on the panel is reading DC not AC? That's how mine works.
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Old 10-08-2017, 10:02   #6
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Re: Power Panel - Shore power light

Someone needs to use a test meter to confirm whether this is a "power available" indicator or perhaps a ground fault in the boat and a danger. If you're not familiar with the electrical system and with AC safety procedures, a trip to Vegas, ergh, finding a good electrician, might be in order.

Stray AC current can kill people and burn down boats, so yes, you are absolutely right to worry about why "off isn't off" type stuff.
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