Web answer (1 of 19): So your measurement of 125f. Web when the electrical current moving through the circuit breaker reaches an unsafe level, or the temperature put off by the circuit is too high (above 140f or 60c), the circuit breaker is tripped and shuts off the circuit before anything bad can happen.
"Electrical Panel Inspection Training Video" course Page 262
Web a warm breaker can be normal, yes. Web since electricity produces heat, it is normal for a circuit breaker to feel slightly warm while it is running, however, if your circuit breaker feels too hot to the touch, your breaker could. So your measurement of 125f. The “wall wart” is working.
