no effect upon Circuit 2. Therefore Circuit 2 checks out correctly at 10 ohms. (3) Circuit Terminal 1 – Short in common at Point BB: Expected resistance reading is 30 ohms. In this scenario, a short between common wires would have no measurable (or operational) affect upon either circuit. The only issue would be opportunity for moisture to enter into the wires at the short’s locations and create corrosion of the wire. If corrosion was occurring, you would measure a higher ohms resistance (perhaps 60 or above). If the short allowed electrons
to go to ground (a ground fault) then there would be issues. These issues will be covered in subsequent articles and is not a factor in this scenario. (4) Circuit Terminal 2 – Short at Point BB: Expected resistance reading is 10 ohms. See number three (previous) response for explanation. (5) Circuit Terminal 1 – Short at Point CC: Expected resistance reading is 30 ohms. The existing short would have no effect upon this circuit and you would measure 30 ohms resistance.
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