I have a receptacle box which contains 6 bare ends. Three come in from the left, and three exit from the right. They are very old, cloth insulated wire with no coloration (black). I can see that one pair of them used to have a white coating, and the the line side tests alright as neutral. It's the other wires I'm not sure about.
You can see a picture here:
EA 121 EB 65 EC 101 ED 65 EF 101 E:Gnd 121V
I also performed a continuity test between all of them and all of them and ground. Here are the results:
CF < 1 Ohm CB = 16 Ohms A:Gnd < 1 Ohm
Any combinations left out were either 0 volts, or infinite resistance.
I want to wire these to a GFCI so that everything on the load side is protected. I cannot figure out what sort of wiring diagram would cause the readings I get, but then again I'm not an electrician. I know from various testing that E is line hot, and A is line neutral, F is load hot, and B is load neutral, but I can't figure out what role C and D play here. I would think they might be ground, but why only 101V between C and E with 65V between D and E? Can anyone help with the proper wiring in this case, or at least explain the readings I get?
Thanks.