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(I apologize if this seems like a shopping question - but I am out of ideas right now)

The black plastic, flat handle of the door to my domestic electrical box snapped off and I stupidly threw it away instead of keeping it and trying to glue it back together.

Based on the make and model of the panel I have been searching on the internet and the only matching latches I can find are large brass, keyed locks suitable for a more commercial setting. I asked my electrician and he couldn't come up with one either (including from stuff he had lying around).

What can I do to to provide a latch for this electrical box, that would satisfy electrical code?

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  • I'm not sure there's any Code requirement to have that door latch shut. However it also looks like there's a knockout to fit a proper latch mechanism that is lockable. What do you think ThreePhaseEel? – Harper Apr 6 at 0:00
  • @Harper I believe that knockout is for use by the large, brass locks I have found online. However I am trying to stay the original subtle in my domestic situation. The sort of lock I have seen would stick out like a sore thumb. And as for no lock, while not an issue for me I am concerned what the people might think – Peter M Apr 6 at 0:10
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    Have you checked the Siemens parts catalog at w3.usa.siemens.com/powerdistribution/us/en/… ? They have a part named ECSIELATCH that might be the right one. – whiskeychief Apr 6 at 2:32
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    That Siemens part number is the right one. They haven't changed the design of the old ITE load centers in 30+ years, other than having the Siemens name cast into the plastic. But there is no requirement to have a latch, or even a door, so it's OK to make something on your own, like a little cabinet pull or something. – JRaef Apr 6 at 2:45
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    @Harper -- indeed, the latch is not a Code requirement (nor is the door, even). ECSIELATCH should be the right part. – ThreePhaseEel Apr 6 at 4:49
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Get an ECSIELATCH

While the NEC does not even require a door to begin with on a NEMA 1 (indoor) loadcenter/panelboard (some small loadcenters do not have one to begin with!), never mind a functioning latch or lock on said door, this is pretty easy to fix if you so desire. The I-T-E line of residential electrical equipment was acquired by Siemens (and hasn't changed all that much since then), so I would try fitting a Siemens ECSIELATCH there (it's the replacement latch specified for current Siemens panels by their repair parts guide and also for the G4040B1200 by their cross-reference guide (warning: Excel spreadsheet)).

If you can't find one, a supply house that carries Siemens products should darn well either have it or be able to order it in; barring that, Allied Electronics, of all folks, has them in stock at the time of this writing.

  • The minimum order quantity is 25 pieces (I used to work for Siemens), so you need to just buy it from someone who has them in stock. – JRaef Apr 6 at 21:33
  • @J.Raefield -- OT, but are you the Jraef from the Mike Holt boards? (also, this reminds me that I need to follow up on the email(s) I sent UL's way a few weeks ago) – ThreePhaseEel Apr 7 at 2:32
  • I went and ordered one from Allied. $1.36 for the part and $6 for the cheapest shipping! – Peter M Apr 7 at 12:28
  • ThreePhaseEel, yes, I am one and the same. – JRaef Apr 8 at 21:08
  • I received the ECSIELATCH yesterday and and in no way is it a replacement part for my panel - even if I popped out the breakout section of the door :-( – Peter M Apr 11 at 22:25

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