May be at some point within the circuit there is an open wire or contact. Check your relay module for faulty contact that is failing to open or close.
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The voltage before the breaker is from the distribution panel's buss bars. This voltage is controlled by the panel's main breaker. To have no voltage on the terminal of the breaker means that either the breaker is shut off or it has gone into a trip position. If it has tripped push the handle of the breaker to the off position and then to the on position. This should reset the breaker. If the voltage is not present at the output terminal of the breaker after resetting it, then replace the breaker as it has a fault in it.
For typical residential house wiring 12 AWG wire is required for a 20 Amp breaker. If you change out the breaker for a 25 A breaker you would have to rewire the circuit with 10 AWG. In that case you could up the breaker to 30 Amps. All outlets and switches should be rated at the same voltage and current as the breaker.
It essentially boosts the voltage across the amplifier, and through the circuit.
They have different voltage. So different switches and breakers.
No, it does not have voltage in trip position.
The maximum voltage capacity of a 240V single pole breaker is 240 volts.
The maximum voltage rating for a 120/240 VAC breaker is 240 volts.
A higher voltage means that a higher current will flow in the same load. It is the current that causes the breaker to trip.
A shunt-trip breaker trips when voltage is applied to the coil. It does not self-reset when the voltage is removed, the breaker must be reset manually. The trip voltage can either latch or be applied momentarily, but must be de-energized before the breaker will reset.
To determine if a GFCI breaker is bad, you can test it by pressing the "test" button on the breaker. If the breaker does not trip or reset properly, it may be faulty and need to be replaced. Additionally, you can use a multimeter to check for continuity and proper voltage output. If these tests indicate an issue, it is best to consult a professional electrician for further evaluation and replacement if necessary.
No, it would not be safe because 250v is too high for that breaker. <<>> In North America all household breakers are rated at 120/240 volts. A 250 volt 15 amp breaker would would be a two pole breaker and take up two slots in the distribution panel. This can be pulled out and replaced with two separate 15 amp breakers or one 15 amp breaker and a slot panel filler to cover the second slot.