The cause can be faulty pool light wiring improper bonding or grounding of equipment failed ground fault circuit interrupters gfci or dropping power tools in the pool.
Pool light wiring gfci.
As a residential electrical contractor wiring thousands of swimming pool pumps we at hawkins decided to explain some common issues that we find with these breakers.
A gfci for a pool light circuit is generally located on the controller box for the equipment.
In a situation like this it would be best to have a licensed electrician install the necessary gfci protection for the pool light and at the same time take a look at all of the electrical wiring and devices in the area of the pool and then make recommendations about anything that is not up to current electrical code standards.
In this gfci outlet wiring and installation diagram the combo switch outlet spst single way switch and ordinary outlet is connected to the load side of gfci.
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The gfci outlet itself also works as an electrical outlet to supply most tools and or appliances.
If you use the two load terminals on the gfci outlet to protect the switch and light then yes you will have the gfci protection.
On in ground pools there must be at least one gfci protected convenience outlet located between 6 feet and 20 feet from the edge of the pool.
Sometimes on older sets it can be located just under the light switch itself usually by the back door.
Outlet receptacles for general use can be no closer than 20 feet from a pool or in ground spa if they are not gfci protected and no closer than 6 feet away if they are gfci protected.
Gfci protection is required for all underwater lighting operating over the low voltage contact limit.
Wiring a gfci outlet with combo switch outlet receptacle light switch.
Let s take a look at each of these possibilities and if something seems amiss in your pool electrical safety have a certified electrician check it out.
Gfci protection is required for all 120v to 240v single phase pump motors.
However if you connect the switch to the hot before the outlet by using a wire nut you will not get gfci protection of the light.