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A Ground Fault Circuit Interruptor (GFCI) may trip in outdoor installations during periods of high humidity, including rainy days. The problem is mostly associated with the use of electrical boxes that lack adequate protection of the supply wires against humidity. Unless the problem originates with the tub's internal wiring, and that needs to be corrected, the use of NEMA 4X (water-tight) enclosures instead of NEMA 3R (rain-tight) types help control this problem.

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Q: The GFCI on the exterior hot tub trips when it rains?
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Do gcfi breakers operate with only hot and neutral ?

yes. A GFCI monitors the amount of current flowing from hot to neutral. If there is any imbalance, it trips the circuit.


How do you wire dual switch-plug gfci which has extra wires?

there should be 5 wires, hot and switched hot for the switch and hot, neutral and ground for the gfci receptacle.


Why won't the GFCI trip the panel box when shorted?

A GFCI is not an overcurrent protection device. It only protects people from electrical shock. However, if you were to create a perfect hot to neutral short the GFCI would not trip and the panel breaker would.


Gfci outlet feels warm to the touch?

It is normal for GFCI breakers and receptacles to feel warm to the touch while under load. They should not feel "hot". GFCI receptacles often protect other receptacles further down the line, so the load does not necessarily need to be plugged into the GFCI receptacle itself. AFCI breakers will also feel warm to the touch. Again the receptacles should not feel "hot". If they are hot or heat discolored, you should discontinue use and call a licensed electrician. C. P., Master Electrician


GFCI plug trips when fan is turned on?

The Ground Fault Current/Circuit Interrupter (GFCI) detects current flowing to ground that should instead be flowing in the fan. This means somewhere in the fan the Hot wire has an unintended path to ground and is a shock hazard. You should check the wiring to the fan (with power off) and make sure there are no bare wires that could be causing your problem and if you don't see anything obvious you should replace the fan.

Related questions

Do gcfi breakers operate with only hot and neutral ?

yes. A GFCI monitors the amount of current flowing from hot to neutral. If there is any imbalance, it trips the circuit.


How do you wire dual switch-plug gfci which has extra wires?

there should be 5 wires, hot and switched hot for the switch and hot, neutral and ground for the gfci receptacle.


When it is hot and it rains is it the same temp as when it is cold and it rains?

No it is hotter


What is the weather in India in the summer?

in summer its really hot only some times it rains but if it rains it rains really hot it goos till 50 degreece in the south not in the north. in the north its cold .


Why won't the GFCI trip the panel box when shorted?

A GFCI is not an overcurrent protection device. It only protects people from electrical shock. However, if you were to create a perfect hot to neutral short the GFCI would not trip and the panel breaker would.


Should a tankless hot water heater be pluged into a gfci plug?

Yes it should .


GFCI circuitry often checks for a difference in current between the ground and neutral?

A GFCI monitors the current in the ungrounded (hot) conductor and the grounded (neutral) conductor. If there is more than 6mA of current difference between the two the GFCI will open the circuit.


Will an arc fault breaker work without a ground?

Yes a GFCI will work without a ground wire. A GFCI looks for a current differential between current in on the "hot" wire and current return on the neutral wire. Since current is the same throughout the circuit, no difference, no trip. If the load grounds out or shorts out, the current then takes the path of least resistance through the ground and not the neutral. This creates a difference between the "hot" and return neutral current and the device trips the circuit open.


Gfci outlet feels warm to the touch?

It is normal for GFCI breakers and receptacles to feel warm to the touch while under load. They should not feel "hot". GFCI receptacles often protect other receptacles further down the line, so the load does not necessarily need to be plugged into the GFCI receptacle itself. AFCI breakers will also feel warm to the touch. Again the receptacles should not feel "hot". If they are hot or heat discolored, you should discontinue use and call a licensed electrician. C. P., Master Electrician


What is GFCI outlet when is one need and where?

GFCI stands for 'ground fault current interruptor'. These are used near Plumbing in houses and on exterior electrical outlets and can be built into extension cords and appliances such as hair dryers. The GFCI breaks the circuit if ~20 milliamps returns through ground instead of the neutral. (A standard two-prong plug has a hot and a neutral.) If the current returns through ground, that is a ground fault and you are usually providing the path. Any current through you higher than about 30 ma is likely to cause your heart to go into ventricular fibrillation and the result is your death. The fuse or circuit breaker in the circuit is protecting the wiring, the GFCI protects you.


When does it rain in the summer?

It rains when its hot and humid outside


GFCI plug trips when fan is turned on?

The Ground Fault Current/Circuit Interrupter (GFCI) detects current flowing to ground that should instead be flowing in the fan. This means somewhere in the fan the Hot wire has an unintended path to ground and is a shock hazard. You should check the wiring to the fan (with power off) and make sure there are no bare wires that could be causing your problem and if you don't see anything obvious you should replace the fan.