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-   -   GFCI overload (http://www.diychatroom.com/f18/gfci-overload-155414/)

jackwashere 08-31-2012 12:46 PM

GFCI overload
 
What happens if I have a 15A GFCI receptacle and I connect a 2000W heater (16.6A) to it?

Jim Port 08-31-2012 12:51 PM

GFIs do not trip due to overload. A 15 amp GFI can be on a 20 amp circuit.

What size is the circuit feeding the GFI?

Fifteen amps is 1800 watts. A breaker can hold 125% for over an hour.

joecaption 08-31-2012 12:55 PM

GFI's do not protect againt over loads, breakers or fuses do that.
Why would you even think about plugging that heater in that circut knowing it's going to case an overload.
Not a great plan unless it's 12-2 wire and a 20 amp breaker.

jbfan 08-31-2012 12:58 PM

The 2000 watt heater will have a 20 amp plug and would not fit a 15 amp gfci.

Jim Port 08-31-2012 01:06 PM

Quote:

Originally Posted by jbfan (Post 1000520)
The 2000 watt heater will have a 20 amp plug and would not fit a 15 amp gfci.

I have a picture that shows it can be done if you try hard enough. :whistling2:

stickboy1375 08-31-2012 01:09 PM

Quote:

Originally Posted by Jim Port (Post 1000522)
I have a picture that shows it can be done if you try hard enough. :whistling2:

Oh.... I love pics.... please share! :)

jbfan 08-31-2012 01:11 PM

Quote:

Originally Posted by Jim Port (Post 1000522)
I have a picture that shows it can be done if you try hard enough. :whistling2:

YEA, but I was thinking that he wasn't going to try that hard.
I think we have a couple of microwaves like that at work.

Jim Port 08-31-2012 01:15 PM

Lets just say pliers and a twisting motion were involved. The pic really isn't clear enough.

stickboy1375 08-31-2012 01:22 PM

Quote:

Originally Posted by Jim Port (Post 1000528)
Lets just say pliers and a twisting motion were involved. The pic really isn't clear enough.

I kind of figured that's what transpired. I've seen a few of those installs.

jackwashere 08-31-2012 01:55 PM

Thanx to all who answered. The reason I'm asking is because I have a 1800 watt heater that you plug into a wall. That's exactly 15A. I'm preparing a rental unit. You can't always control what happens in a rental unit. If the tenant connects something bigger, say a 2000W heater, then I wanted to know if the GFCI receptacle would act as a circuit breaker. I guess not judging from your answers.

stickboy1375 08-31-2012 02:00 PM

Quote:

Originally Posted by jackwashere (Post 1000553)
Thanx to all who answered. The reason I'm asking is because I have a 1800 watt heater that you plug into a wall. That's exactly 15A. I'm preparing a rental unit. You can't always control what happens in a rental unit. If the tenant connects something bigger, say a 2000W heater, then I wanted to know if the GFCI receptacle would act as a circuit breaker. I guess not judging from your answers.

A GFCI contains no over current device.


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