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    Robert Gift's Avatar
    Robert Gift Posts: 100, Reputation: 3
    Junior Member
    		  
    #1

    Apr 10, 2010, 07:40 PM
    [D] circuit breaker does not match others
    FOUND ANSWER: Must get "Homeline" breakers. (Why different breakers? Just to complicate everything and sell another device?)

    100-amp Square D subpanel (in garage) from 200-amp main panel other side of wall. (Installed for a later enclosed back porch 240-volt electric baseboard heat system. 40 amps total.)
    Spaces available for more breakers.

    Original breakers have a lip which inserts down and hooks over the support rails.
    Then the breakers "hinge" up and clip onto their busses. Their clips are INSIDE their plastic housings.

    I tried to insert a new 20-amp single-lever double-pole 240-volt breaker for 15.4 amp two-burner electric stove top.
    The NEW BREAKER has two metal "forks" projecting out of the breaker body at top: | ][ ][ |
    One similar metal non-electric "clip" horizontal-orientation at the bottom of the back of the new breaker.
    It clips onto the panel back support rails.

    THE NEW BREAKER STICKS OUT A LITTLE MORE than the existing circuit breakers!
    Did [D] change their breakers and I must find the older style breakers?

    Thank you
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Apr 10, 2010, 10:34 PM

    No useful info here. Panel make/model? Breaker make/model of old new?

    I can only say that some panels will accept a certain style of breaker in only a few places in the panel and a certain style everywhere. Also make sure this is a 240 space and not where two 120's on the same leg would go.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #3

    Apr 11, 2010, 03:50 AM
    Sounds like you have a Square D Homeline panel and trying to install a Square D QO breaker.

    Both are entirely different.

    As Kiss mentions. Some model numbers of what your dealing with will help.
    Robert Gift's Avatar
    Robert Gift Posts: 100, Reputation: 3
    Junior Member
    		  
    #4

    Apr 11, 2010, 06:17 AM
    Thank you, KISS and TKR, for trying.
    You are correct!
    Homeline 100-amp interior panel: HOM612L 100RB

    Breakers have sticker: HOMT [62]
    New breaker: QO220CP [61]
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