10 Fantastic 12 Gauge Wire, 30, Circuit Pictures
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Square D Homeline, Amp 2-Pole Circuit Breaker - I inherited a chief panel container from a home owner that wasn't constantly keen on meeting the required nec codes. As such, there are some oddities in the panel. One such oddity is the reality that he set up multiple tandem circuit breakers to be used in a hundred and twenty/240 circuits. You may sincerely see the two buses and that there would not appear like any shenanigans connecting the 2 of them. I eliminated the top double-pole breaker for clarity. The popped dryer breaker is simply a unmarried pole, as you can see the one access slot. It is reputedly related to the left bus and handiest that bus.
Modified to match to new provided information. Rapid petey's answer carries the circuit breaker you want to put in to correct the scenario. As you could see from the breaker inter-ties, they basically take two of those breakers and manually finish off what the installer was trying to do in a secure manner. What is wrong -- the predominant protection subject right here is that with a circuit fault, best one of the breakers within the set might also ride, leaving the 240v circuit partly energized. For instance if the dryer heating coil burns thru and one give up touches ground, that side will trip, leaving the other leg warm. You sincerely need a circuit fault to absolutely power down each legs.
Also associated is the fact that everybody now not taking note of the panel setup may additionally energy off the circuit to work on it and no longer realize they switched off adjoining pairs rather than trade pairs of every 240v circuit, leaving a warm leg inside the circuit they assume is powered down. You need things to be fail-safe. This isn't always fail-safe, however is a booby entice looking ahead to the inattentive or moved quickly. Nec frowns heavily on things like this. Notice how the inner handles are tied collectively, and that the outer handles are also tied to each other. This manner if either ride (or are grew to become off via the person), the complete circuit is close off.