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-   -   a main breaker trip nain 100 amp panel (http://www.diychatroom.com/f18/main-breaker-trip-nain-100-amp-panel-90313/)

stumps .02 12-23-2010 11:57 AM

a main breaker trip nain 100 amp panel
 
hi.

i am a new member. i had a main breaker trip and had a hard time to reset it. so i went put in a new one. it seem to be holding. the house had a couple space heaters 110 volts that was on at the time.
i ask a elect. why it trip ,he couldn't tell with out seeing it. i could understand that.
so he gave me two things reasons that could cause it.

[a] the heaters could be all on same phase, causeing unblanced load.
i understand the unblanced load, but if you 100 amp panel with 3 heaters at only 110 volts and nothing eles on. ain't those heaters drawing well below the rating of the main breaker

[b] he check the ground to the water line.

Scuba_Dave 12-23-2010 12:05 PM

What is the rating of the heaters ?
What other electric load is there ?

Bud Cline 12-23-2010 12:09 PM

Scuba,

This post is on the "Introductions Page".

Why wouldn't you (as a Moderator) move it to the "Electrical Page" where it would have proper exposure to those in the know?:)

Few will even notice it here.:)

Scuba_Dave 12-23-2010 12:29 PM

Ah...Thanks
I just answered it as a new post....did not realize where it was

a7ecorsair 12-23-2010 12:43 PM

Quote:

Originally Posted by stumps .02 (Post 556036)
hi.

i am a new member. i had a main breaker trip and had a hard time to reset it. so i went put in a new one.

You replaced the Main Breaker? Did you pull the meter to remove power? I think we need a little more information to work with.

LyonsElecSupply 12-23-2010 12:55 PM

Quote:

Originally Posted by a7ecorsair (Post 556071)
You replaced the Main Breaker? Did you pull the meter to remove power? I think we need a little more information to work with.

It seems you might not know exactly what you are doing. Im guessing you dont know the danger you put yourself into or are a thrill seeker.

A "Main Breaker" Doesnt just "trip" arbitrarily unless it is defective. Generally space heaters use about 1500 watts each or 12.5 amps. This is about the 80% load rule on breakers.

What Im trying to understand is that if you replaced the 100 amp service disconnect or a branch breaker. If you have 3 heaters on one breaker it WILL trip it.

Jackofall1 12-23-2010 01:21 PM

All I can say is YIKES!!!!!:eek:

Step away from the edge before you fall!!!


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