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Line currents could be varying because of faulty ground or neutral. Or it has gone bad.

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Q: Gfci trips before anything is plugged into it?
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Do you need a gfi plug for a spa if it is being plugged into a gfi circuit?

If your spa is connected with a GFCI circuit breaker you will not need the GFCI receptacle.


The GFCI has tripped off that controls my bedroom lights and garage outlets and i cant get it to reset why?

There is three possible reasons for this. First, check to make sure that the breaker also did not trip, a GFCI outlet will not reset if not powered. Second, if the load that caused the GFCI to trip is still plugged in it will not allow the GFCI to reset. So, before trying to reset the GFCI unplug everything that it protects. Third, you might just have a bad GFCI, attempt the above suggestions first and if it still will not reset you will need to replace the GFCI. If after all this the you are still having problems then something more serious is wrong and you need an on site electrician to diagnose the problem.


How much amperage is needed to trip a 20amp GFCI outlet?

A GFCI trips when it detects a difference in the amperage going to the outlet and what is coming back. Even 4-6 miliamps difference will trip the outlet.


Does a microwave have to be plugged into a GFCI outlet?

Appliance police will not come to your home to determine if your microwave is plugged into a GFCI outlet.The important question is, what is the potential for electrocution with your microwave in the event of a malfunction?If a person could reach the microwave with one hand and a potential ground (sink, concrete floor) with the other hand or a foot, the microwave should be plugged into a GFCI. However... if you research local ordinance and find that your microwave should be plugged into a GFCI, then that's what you should do.If your microwave is plugged into a receptacle on your kitchen countertop it should have GFCI protection.The National Electrical Code (US) states:Section 210.8 Ground-Fault Circuit-Interrupter Protection for Personnel. (A) Dwelling Units. All 125-volt, single-phase, 15- and 20-ampere receptacles installed in the locations specified in (1) through (8) shall have ground-fault circuit-interrupter protection for personnel. (6) Kitchens - where the receptacles are installed to serve the countertop surfaces.


What is a gfci oulet?

GFCI=Ground Fault Circuit InterrupterIt's an electronic circuit breaker that compares the current on two wires. If the current is NOT equal, the breaker trips and does so quickly enough to prevent electrocution in the event of a "ground fault".

Related questions

When there is a lot of rain the outside GFCI trips even though it is covered?

my gfci trips when my christmas lights r on and it rains is the gfci bad or is this normal of a perfectly working gfci


What happens if you trip a GFCI repeatedly on purpose?

Every time you trip the GFCI, the power to the device plugged into it will lose its supply voltage.


Do you need a gfi plug for a spa if it is being plugged into a gfi circuit?

If your spa is connected with a GFCI circuit breaker you will not need the GFCI receptacle.


Could you show me an electrical drawing of a circuit with GFCI protecting a switch?

GFCI's are not used to protect a switch they are used to protect an outlet where something is plugged in.


Why does the reset button on a wall outlet pop out when something is plugged into it?

Assume this is a ground fault circuit interrupter (GFCI) outlet. The GFCI looks for current that is flowing to ground, in a manner that could result in electrical shock to a user. The appliance that is being plugged in could be defective, the wiring connected to the load side of the GFCI may be incorrect, or the GFCI outlet could be defective. Try using another appliance. If the GFCI holds, the first appliance is most likely the cause.


How much voltage can be plugged into a rooftop unit with a GFCI outlet?

read the manufacturer's nameplate on the unit.


Is it ok to use an electrical power tool on a dock that is over water?

Only if they are plugged into a GFCI.


Why does your GFCI trip when you plug in the refrigerator?

A GFCI trips whenever it senses a grounding problem. Not grounding the outside surface of radios, fans, fridges, metal lamps and hand tools can put 120 volts on the device where you can touch it and possibly be killed. The GFCI trips so you will not be killed. Best to have an electrician check out your fridge. If it is OK, then the GFCI may be at fault.


The GFCI has tripped off that controls my bedroom lights and garage outlets and i cant get it to reset why?

There is three possible reasons for this. First, check to make sure that the breaker also did not trip, a GFCI outlet will not reset if not powered. Second, if the load that caused the GFCI to trip is still plugged in it will not allow the GFCI to reset. So, before trying to reset the GFCI unplug everything that it protects. Third, you might just have a bad GFCI, attempt the above suggestions first and if it still will not reset you will need to replace the GFCI. If after all this the you are still having problems then something more serious is wrong and you need an on site electrician to diagnose the problem.


How much amperage is needed to trip a 20amp GFCI outlet?

A GFCI trips when it detects a difference in the amperage going to the outlet and what is coming back. Even 4-6 miliamps difference will trip the outlet.


How do you wire a GFCI or an RCD receptacle?

A GFCI has two sides: LINE and LOAD. The LINE side is where your incoming power to the receptacle is connected. This provides power to the receptacle, and allows the receptacle to disconnect power to itself if a ground fault occurs on something plugged into it. If you have more receptacles 'downstream' that need GFCI protection, you may power them from the LOAD side of the GFCI. This puts all devices wired to the LOAD side under the protection of the GFCI, as if they were plugged into the front of it with a cord and plug. When a ground fault occurs on a downstream receptacle, it will trigger the GFCI, which will disconnect power to all downstream receptacles as well as the devices actually plugged into the GFCI face. To make things easy on yourself, my professional opinion is to never wire anything to the LOAD side of a GFCI. That way when a ground fault trips the device, you don't have to hunt around to find out which GFCI is tripped (there may even be some you don't know about). We build commercial buildings and our crew policy is never to LOAD side anything. If the box has a set of wires coming in and going out to the next receptacle, just connect both sets to the LINE side. ----If you do not understand the work well enough to accomplish it yourself properly and safely, don't try it. Consult a professional electrician, as they are proficient enough to do it properly and safely. When working on electrical circuits and equipment, make sure to de-energize the circuit you will be working on. Then test the circuit with a definitive means to make sure it is off (multimeter with metal tipped leads, voltage tester with metal tipped leads, etc., not a non-contact tester, which is non-definitive.)


Does a microwave have to be plugged into a GFCI outlet?

Appliance police will not come to your home to determine if your microwave is plugged into a GFCI outlet.The important question is, what is the potential for electrocution with your microwave in the event of a malfunction?If a person could reach the microwave with one hand and a potential ground (sink, concrete floor) with the other hand or a foot, the microwave should be plugged into a GFCI. However... if you research local ordinance and find that your microwave should be plugged into a GFCI, then that's what you should do.If your microwave is plugged into a receptacle on your kitchen countertop it should have GFCI protection.The National Electrical Code (US) states:Section 210.8 Ground-Fault Circuit-Interrupter Protection for Personnel. (A) Dwelling Units. All 125-volt, single-phase, 15- and 20-ampere receptacles installed in the locations specified in (1) through (8) shall have ground-fault circuit-interrupter protection for personnel. (6) Kitchens - where the receptacles are installed to serve the countertop surfaces.