can I tell if 240 or 110 by looking at panel?

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Old 11-10-14, 10:34 AM
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can I tell if 240 or 110 by looking at panel?

I'm very worried we have our 110V heating mats connected to a 240V circuit. Can I tell quickly looking at main panel if it is 240V or 110V?

Background:
3 under tile heating mats connected on same circuit.
They worked perfectly for 5 years+
Then suddenly 2 stopped working.

Need to get my meter back from my neighbours. In the meantime there are 2 x 20A breakers together feeding the mats. When I flipped them the remaining mat turned off (thermostat turnd off).

The wiring in this house is so bizarre. The upstairs 2nd bathroom is on the same circuit as the front and back door outside plugs. The TV plug in the living room is connected to the kitchen microwave plug (diagonally opposite sides of the house).

It is possible that the 2 x 20A are for plugs too knowing how messed up this house wiring is.

I'm praying that he didn't install 110V mats into 240V system. The thought of ripping up tile to fix the problem or even putting baseboard heaters back in just makes me feel so sick.

After 5 years with one still working well. I just feel devastated at the possibility that in order to fix them we will have to rip up our floors. In fact, I don't cry much, but I would cry at this!!!!
 
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Old 11-10-14, 10:39 AM
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Let's keep this all under one thread - since you have responses in the other, I'm going to close this one.
 
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