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Older Leviton GFCI

Older Leviton GFCI

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I found a bunch of electrical parts by the trash bin today and this was one of the things I found
I also found a Leviton NEMA 10-50R (Non-grounded Stove/Range outlet) but I gave that to my friend
Anyway I tested it and it works fine, this is an older one with the pigtails and not the screw terminals

I also found another one of these Byrant switches

IMG_0201.jpg IMG_0206.jpg IMG_0212.jpg IMG_0038.jpg

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Light Information

Manufacturer:Leviton

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Filename:IMG_0201.jpg
Album name:LampLover / Wiring Devices
Keywords:Miscellaneous
File Size:104 KB
Date added:Oct 06, 2019
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Date Time:2019:10:06 19:04:29
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Fluorescent05
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Oct 06, 2019 at 06:19 PM Author: Fluorescent05
Very, very nice! I have one in my powder room.

These have an interesting failsafe mechanism. I understand how the mechanism actually works, but I'll save the explanation of the internals for later. Anyway, when you hold the reset button in and press the test button (of course the unit must be powered) the GFCI still trips even though the button hasn't been let go. The button, however, is no longer latched in. When you fully let go of the button, you will hear a small click. This is when the GFCI has gotten ready to reset. When you press the button, you will hear the click of the contacts closing, then if you push the button in all the way, it will re-latch in.

Unfortunately, in 1985, this design was superseded by the current design where the reset button pulls the contacts forward and doesn't need a further failsafe mechanism.

Just ask here if you want to know how the internal mechanism works.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

LampLover
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GoL PeterYachymczyk UCYBAif_ag4v8nIcCU3VAmag
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Oct 06, 2019 at 06:52 PM Author: LampLover

Very, very nice! I have one in my powder room.

These have an interesting failsafe mechanism. I understand how the mechanism actually works, but I'll save the explanation of the internals for later. Anyway, when you hold the reset button in and press the test button (of course the unit must be powered) the GFCI still trips even though the button hasn't been let go. The button, however, is no longer latched in. When you fully let go of the button, you will hear a small click. This is when the GFCI has gotten ready to reset. When you press the button, you will hear the click of the contacts closing, then if you push the button in all the way, it will re-latch in.

Unfortunately, in 1985, this design was superseded by the current design where the reset button pulls the contacts forward and doesn't need a further failsafe mechanism.

Just ask here if you want to know how the internal mechanism works.




Thank You for the information
The building it was in was built around 1983-1984 (1984 is the year I was born). So I guess this was one of the last of its kind. Do know have a date range estimate for this GFCI? I have a Sylvania in the bathroom in my apartment (not mine but if it gets replaced I will try to save it). Also do you have a model number for this Leviton GFCI?

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Fluorescent05
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Oct 07, 2019 at 03:51 AM Author: Fluorescent05

Thank You for the information
The building it was in was built around 1983-1984 (1984 is the year I was born). So I guess this was one of the last of its kind. Do know have a date range estimate for this GFCI? I have a Sylvania in the bathroom in my apartment (not mine but if it gets replaced I will try to save it). Also do you have a model number for this Leviton GFCI?

I don't know the model number.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

Fluorescent05
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Oct 07, 2019 at 04:49 AM Author: Fluorescent05

Thank You for the information
The building it was in was built around 1983-1984 (1984 is the year I was born). So I guess this was one of the last of its kind. Do know have a date range estimate for this GFCI? I have a Sylvania in the bathroom in my apartment (not mine but if it gets replaced I will try to save it). Also do you have a model number for this Leviton GFCI?

Does that Sylvania GFCI work in the same fashion that I described here?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

LampLover
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GoL PeterYachymczyk UCYBAif_ag4v8nIcCU3VAmag
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Oct 07, 2019 at 05:49 AM Author: LampLover

Does that Sylvania GFCI work in the same fashion that I described here?


Yes

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Fluorescent05
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Oct 07, 2019 at 09:33 AM Author: Fluorescent05

Yes

Definitely try to save it then!

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Oct 07, 2019 at 11:17 AM Author: Ash
If the GF can be held in without tripping, it will most likely go up in smoke if you hold it in and hold the test button pressed at the same time. This one with independent trip is much better
Fluorescent05
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Oct 07, 2019 at 01:17 PM Author: Fluorescent05

If the GF can be held in without tripping, it will most likely go up in smoke if you hold it in and hold the test button pressed at the same time. This one with independent trip is much better

Why would it go up in smoke? Would the solenoid get too hot?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

Fluorescent05
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Oct 07, 2019 at 06:37 PM Author: Fluorescent05
Is this white or ivory?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Oct 08, 2019 at 06:13 AM Author: LampLover

Is this white or ivory?


It is more of an Ivory color the camera makes it look white

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Oct 08, 2019 at 06:41 AM Author: Ash
The solenoid indeed may overheat. In an electronic GF so can the supply circuitry, which i doubt if its meant to power anything more than the sense amplifier continuously. And the resistor that gets connected by the test button (that passes the leakage current for the test) can overheat also
Fluorescent05
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Oct 08, 2019 at 09:22 AM Author: Fluorescent05

The solenoid indeed may overheat. In an electronic GF so can the supply circuitry, which i doubt if its meant to power anything more than the sense amplifier continuously. And the resistor that gets connected by the test button (that passes the leakage current for the test) can overheat also

I think I may have done that once. I used my screwdriver to temporarily connect the test button resistor to the monitored hot and the solenoid went up in smoke and made a terrible smell. The GFCI still works though.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Oct 11, 2019 at 10:00 PM Author: Cole D.
I think this design was late 70s until about 1984. I've seen patents from 1985 that show the newer style GFCI with the outlets vertical.

Once I saw pictures of Leviton's first GFCIs from about 1972-74, they had these sideways outlets and recessed buttons. But one the button was square and the other was round.

Collect vintage incandescent and fluorescent fixtures. Also like HID lighting and streetlights.

Fluorescent05
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Oct 12, 2019 at 11:05 AM Author: Fluorescent05

I think this design was late 70s until about 1984. I've seen patents from 1985 that show the newer style GFCI with the outlets vertical.

Once I saw pictures of Leviton's first GFCIs from about 1972-74, they had these sideways outlets and recessed buttons. But one the button was square and the other was round.

Was the reset button square and the test button round or the other way around?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

Cole D.
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Oct 12, 2019 at 12:49 PM Author: Cole D.

Was the reset button square and the test button round or the other way around?


I don't remember, but it had the red and black. On Flickr 20AGFCI has a lot of pictures of old GFCI outlets, but none like that.

Around here, I do see some of these older Levitons and also the single outlet Bell GFCIs, but not any of the round/square button ones.

Also I think Eagle was probably the last one, to make the sideways outlet GFCIs, they were still around in the early 2000s.

Collect vintage incandescent and fluorescent fixtures. Also like HID lighting and streetlights.

Fluorescent05
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Oct 12, 2019 at 05:09 PM Author: Fluorescent05
You're very lucky you found this, because I searched eBay and didn't find any early GFCIs.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Oct 14, 2019 at 06:08 PM Author: Fluorescent05
I was able to completely reproduce the mechanism in this with LEGOs! I will post pictures.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Oct 14, 2019 at 07:17 PM Author: Fluorescent05
Here they are:
Reset
Tripped/not ready to reset
Tripped/ready to reset

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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