- Testing circuit breakers with a welder - 1 Update
| whit3rd <whit3rd@gmail.com>: Jun 10 05:52AM -0700 On Sunday, June 4, 2023 at 9:50:55 PM UTC-4, bob prohaska wrote: > and would like to check them to see if they trip correctly. They > were in use before I got them, so they certainly close correctly, > but it's unknown if they trip correctly. If they're thermal breakers, the only part that can fail while retaining the on/off function is a heater. A welder intended to melt metal applied to a heater is... maybe not a test that should be applied. The heater, if it fails open, won't let the breaker pass current. If it fails closed circuit... there's extra metal inside the breaker? Circuit breakers should, and generally do, fail in safe ways. Go ahead and use them without applying a stress test beyond normal currents and voltages. |
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