Question about Honeywell CT87B ROUND HEATING&COOLING MECHANICAL THERMOSTAT - WHITE Heater

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3 bsbrd heaters connected to one therostat(honeywell) trips main

Three electric baseboard heats w/single thermostat, trips main breaker when flipped on ? help why is this happening

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  • steelhorses2 Jan 17, 2009

    thanks, problem solved itself today.... main at meter was bad

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I had this problem once in an apartment I own. it was an EXTREMELY ease fix. my problem as that the set screws in the breakers were not tightened enough, and would cause heat to build up, and trip the breakers. so..... first try to tighten the set screws on your breakers.

Posted on Sep 29, 2009

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Your load from the heaters is too great for the wire and breaker installed. Add up the wattage of the heaters and divide the answer by whatever voltage the heaters are and that will give you your draw in amps if this number is higher than 80 percent of the breaker rating then this is against code and wire and breker need to be upgraded.

Posted on Jan 24, 2010

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The three heaters are too much load for the circut breaker that they are on !Are they all on one breaker or fuse? if so you may have to use seperate breakers for all heaters!
I hope this was of big help!

Posted on Jan 16, 2009

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