# Mismatched Breakers

**URL:** <https://forum.nachi.org/t/mismatched-breakers/82232>\
**Category:** Electrical Inspections\
**Created:** [November 13, 2013, 5:58pm UTC](https://forum.nachi.org/t/mismatched-breakers/82232 "2013-11-13T17:58:09Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![jallingham](https://avatars.discourse-cdn.com/v4/letter/j/53a042/32.png) [@jallingham](https://forum.nachi.org/u/jallingham)\
**Post date:** [November 13, 2013, 5:58pm UTC](https://forum.nachi.org/t/mismatched-breakers/82232/1 "2013-11-13T17:58:09Z")

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This poll continues a discussion in an earlier thread.  
When you see a breaker of a different manufacturer than the panel manufacturer, do you call it out?

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**Author:** ![jreim](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/jreim/32/60282_2.png) [@jreim](https://forum.nachi.org/u/jreim)\
**Post date:** [November 13, 2013, 9:02pm UTC](https://forum.nachi.org/t/mismatched-breakers/82232/2 "2013-11-13T21:02:02Z")

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Most panels it will say right on the door “approved for use with \_\_\_\_\_ equipment only. Use of other components may be hazardous and may void manufacturers warranty.”

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**Author:** ![jpope](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/jpope/32/59425_2.png) [@jpope](https://forum.nachi.org/u/jpope)\
**Post date:** [November 14, 2013, 2:30pm UTC](https://forum.nachi.org/t/mismatched-breakers/82232/3 "2013-11-14T14:30:57Z")

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Sometimes…

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**Author:** ![ryoung7](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/ryoung7/32/188798_2.png) [@ryoung7](https://forum.nachi.org/u/ryoung7)\
**Post date:** [November 15, 2013, 1:32am UTC](https://forum.nachi.org/t/mismatched-breakers/82232/4 "2013-11-15T01:32:32Z")

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NEC 110-3(b) prohibits the use of equipment where labeling strictly disallow the use of those components.

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**Author:** ![jallingham](https://avatars.discourse-cdn.com/v4/letter/j/53a042/32.png) [@jallingham](https://forum.nachi.org/u/jallingham)\
**Post date:** [November 17, 2013, 1:00am UTC](https://forum.nachi.org/t/mismatched-breakers/82232/5 "2013-11-17T01:00:20Z")

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> [@jreim](#):
>
> Most panels it will say right on the door “approved for use with \_\_\_\_\_ equipment only. Use of other components may be hazardous and may void manufacturers warranty.”

The panel label on a 25 year old panel may be out of date. There may be other newer breaker designs approved since that time. You would need an up-to-date list of acceptable breakers for that panel…well beyond our scope.

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**Author:** ![yolhovsky](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/yolhovsky/32/60213_2.png) [@yolhovsky](https://forum.nachi.org/u/yolhovsky)\
**Post date:** [November 17, 2013, 3:20pm UTC](https://forum.nachi.org/t/mismatched-breakers/82232/6 "2013-11-17T15:20:58Z")

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Depends… If they fall right out of the panel when the front cover is removed…Well… 🙂