How can I determine the load a GFCI will handle before tripping? I have an outside outlet which is connected to the GFCI in the bathroom and I want to plug in the outside outlet a room A/C which draws 8.8 amps. Will it work or will it trip the GFCI?

That should work as long as there are no other devices on the same circuit that will push the current draw past the maximum amount limit of the circuit breaker/wire size. In other words if you have a TV or lighting circuits on that same circuit then there could be a problem.

BTW most GFCI circuits are 15 OR 20 amp. Rate located on the device itself.

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Originally Posted by hvac1000

That should work as long as there are no other devices on the same circuit that will push the current draw past the maximum amount limit of the circuit breaker/wire size. In other words if you have a TV or lighting circuits on that same circuit then there could be a problem.

BTW most GFCI circuits are 15 OR 20 amp. Rate located on the device itself.

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What about a hair dryer being used in the bathroom?

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Originally Posted by J3104S

What about a hair dryer being used in the bathroom?

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You will need to calculate the hair dryer current draw to see if it will overload the circuit since another item is already being powered from the same circuit. My crystal ball is in the shop for repairs again so I cannot tell from here how much current in total is being used by that circuit.