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Trying to identify a Breaker in my electric panel...

groundhogy
Explorer
Explorer
Hi,

I have a '91 airstream and on the lower breaker position is a GFI, ground fault breaker.

So the identifying marks on the actual breaker are:

************************
Type Q0 60/75 deg CWIRE
1 Pole Class A 120vac
Square D AL/CU #8-#14

Interrupting rating 10,000 amps

Max. RMS sym. 120 vac

series 2
************************

So its a Square D...
I went on the internet and did a bunch of searching, and, I found a breaker part number that might be it. But Im not sure. The first part number in the list seems to be a base part number and the ones after that seem to be breakers with special options. I have no idea what the options mean.

Partno. QO120GFI
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI

Partno. QO120GFI35
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - 50Deg

Partno. QO120GFIBCP
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - CP

Partno. QO120GFICP
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - CP

Partno. QO120GFISP
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI

Partno. QO120VHGFI
Mini CB - QO - 20A - 1P - 120V - 22kA - Plug-in - GFI
24 REPLIES 24

groundhogy
Explorer
Explorer
The issue is this...lol

When I connect my christmas lights up through a very old extension cord to my outside sockets, and if it rains, the breaker being discussed trips quite a bit.
The diesel truck is also plugged in to the same outlet through the other extension cord that is just as old. In both extension cords, there are three new ends and one original.

At first, I suspected the breaker. But the breaker never trips the rest of the year. And it pretty much happens only when it rains.

Dave_H_M
Explorer
Explorer
hmmmm, so what is the issue/question?

MrWizard
Moderator
Moderator
OP did not say it wasn't working
That it needed to be replaced
Only that he was trying to identify it
I can explain it to you.
But I Can Not understand it for you !

....

Connected using T-Mobile Home internet and Visible Phone service
1997 F53 Bounder 36s

wrktfsh
Explorer
Explorer
Home Depot stocks QO breakers in GFCI.

drsteve
Explorer
Explorer
rhagfo wrote:
ggardne2 wrote:
Comments below ... the standard breaker with no options should work ... it might be best to remove the breaker and take it to an electrical supply, they should be able to find an equivalent match to your existing breaker.

Partno. QO120GFI -- Base GFI Breaker, No Options
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI

Partno. QO120GFI35 -- Higher temp rating
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - 50Deg

Partno. QO120GFIBCP -- Commercial Packaging
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - CP

Partno. QO120GFICP -- Commerical Packaging
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - CP

Partno. QO120GFISP -- Short Pigtail
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI

Partno. QO120VHGFI 22kA breaker
Mini CB - QO - 20A - 1P - 120V - 22kA - Plug-in - GFI


Replacing a GFI with a standard breaker without making the first outlet a pass through GFI outlet is a violation of electrical code, and makes for a very unsafe situation.


The standard breaker they are referring to is a GFI breaker.
2006 Silverado 1500HD Crew Cab 2WD 6.0L 3.73 8600 GVWR
2018 Coachmen Catalina Legacy Edition 223RBS
1991 Palomino Filly PUP

rhagfo
Explorer III
Explorer III
ggardne2 wrote:
Comments below ... the standard breaker with no options should work ... it might be best to remove the breaker and take it to an electrical supply, they should be able to find an equivalent match to your existing breaker.

Partno. QO120GFI -- Base GFI Breaker, No Options
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI

Partno. QO120GFI35 -- Higher temp rating
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - 50Deg

Partno. QO120GFIBCP -- Commercial Packaging
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - CP

Partno. QO120GFICP -- Commerical Packaging
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - CP

Partno. QO120GFISP -- Short Pigtail
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI

Partno. QO120VHGFI 22kA breaker
Mini CB - QO - 20A - 1P - 120V - 22kA - Plug-in - GFI


Replacing a GFI with a standard breaker without making the first outlet a pass through GFI outlet is a violation of electrical code, and makes for a very unsafe situation.
Russ & Paula the Beagle Belle.
2016 Ram Laramie 3500 Aisin DRW 4X4 Long bed.
2005 Copper Canyon 293 FWSLS, 32' GVWR 12,360#

"Visit and Enjoy Oregon State Parks"

wa8yxm
Explorer III
Explorer III
If the breaier is a GFCI (has test button) I would only replace with another GFCI. there is a reason they use those.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times

1995brave
Nomad
Nomad
Check your local Home Depot or Lowes I think they both carry Square D breakers and panels. 84 Lumber may even carry them. Take it out, take a picture or take it with you and match it up.

ggardne2
Explorer
Explorer
Comments below ... the standard breaker with no options should work ... it might be best to remove the breaker and take it to an electrical supply, they should be able to find an equivalent match to your existing breaker.

Partno. QO120GFI -- Base GFI Breaker, No Options
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI

Partno. QO120GFI35 -- Higher temp rating
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - 50Deg

Partno. QO120GFIBCP -- Commercial Packaging
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - CP

Partno. QO120GFICP -- Commerical Packaging
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI - CP

Partno. QO120GFISP -- Short Pigtail
Mini CB - QO - 20A - 1P - 120V - 10kA - Plug-in - GFI

Partno. QO120VHGFI 22kA breaker
Mini CB - QO - 20A - 1P - 120V - 22kA - Plug-in - GFI