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Hello all,

I recently came across what I believe to be SPT wire at a garage sale and managed to pick it up for 50 cents. That was a great deal for 30+ feet of wire.

My only problem now is that I don't whether it is SPT 1 or 2. It has no markings on the insulation, which looks pretty thick. The copper itself looks to be either 18 or 20 gauge. 

 

Any help would be greatly appreciated.

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If its SPT zip cord, it should be marked as such. The ink may have worn off, but the imprint should still be there. May have to use a flashlight to see it. Markings may only be every 2 feet, so may have to look around. If you can find a number that starts with "E", I can tell you more.

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Most SPT-2 plugs will fit the SPT-3 cord. With only your 30ft to work with, wouldn't spend much time trying to procure actual SPT-3 plugs. If your insulation is just too thick for SPT-2 plug to work, chunk it & write off your original $0.50 investment.

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