Mark Woodruff
New member
What is the latest rule concerning how many spaces you can fill a panel until you are using the maximum space?
42 space panel limitation
- Thread starter Mark Woodruff
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curt swartz
Electrical Contractor - San Jose, CA
- Location
- San Jose, CA
- Occupation
- Electrical Contractor
While the 42 space limit has been removed you still must follow the listing on the panel. You can not put more breakers in than indicated on the label of the panel.
- Location
- Chapel Hill, NC
- Occupation
- Retired Electrical Contractor
Who would do something like that?
petersonra
Senior Member
- Location
- Northern illinois
- Occupation
- engineer
unless you change it to another number that suits you better.
I had read somewhere that there is some chance the manufacturers might supply new labels for old panels, but there is some kind of issue with UL on this.
curt swartz
Electrical Contractor - San Jose, CA
- Location
- San Jose, CA
- Occupation
- Electrical Contractor
unless you change it to another number that suits you better.
I had read somewhere that there is some chance the manufacturers might supply new labels for old panels, but there is some kind of issue with UL on this.
Changing the label would not help much. The buss bar is designed to only accept CTL tandem breakers in certain locations.
- Location
- Wisconsin
- Occupation
- PE (Retired) - Power Systems
You can always use "cheater breakers" (the ones for replacement use in non-CTL panels).:grin:
petersonra
Senior Member
- Location
- Northern illinois
- Occupation
- engineer
I don't recall just what the solution was but it seemed to involve supplying a sticker with the added breakers and somehow the sticker would make it OK to have more circuits in the box once the sticker was applied.
Since it has no real effect on anything I do I never filed it away in my brain where I can recall much about it. Perhaps it was just speculation.
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