I am using a 100amp Stab Lok breaker in my main panel to power a subpanel in same area. The breaker I have says 40c. Is this ok or should it have a rating of 75c?
This is for 36” runs of 3 gauge to power sub panel.
Thanks.
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1See How do I read circuit breaker temperature ratings?. You may be misinterpreting what you're seeing and confusing trip calibration temps with wire ratings. Also show us a photo. That can clear things up in a hurry. – isherwood Mar 24 '23 at 20:50
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1I was writing an answer, but can't now because this is Closed as a duplicate (legitimately so). IMPORTANT: READ UP ON STAB-LOK PANELS. YOU ARE IN A POTENTIALLY DANGEROUS SITUATION. See this post for details. Seriously consider either making the new subpanel into a main panel or replacing your main panel with another new panel. – manassehkatz-Moving 2 Codidact Mar 24 '23 at 21:11