Posted by rvirgil_KS on November 21, 2018 at 08:43:13 from (50.93.231.212):
In Reply to: Re: Coil-12v or 6v posted by tomturkey on November 20, 2018 at 22:09:30:
“If I check a 3 wire extension cord (hot neutral ground) and I have "continuity" on each wire from end to end is that also "open" but not shorted.” No
“continuity” generally means that there is a conducting path of very low resistance where a conducting path is desired, such as through the individual wires of your extension cord, or the operating wires of a circuit.
“open” means there is no conducting path. “Open” can be good in that there is no conducting path intended, such as an “open” or “off” position on a switch. “Open” can be bad in that there is no conducting path where one is desired, such as in a broken wire or burned out resistor.
“shorted” means there is a conducting path where one is not desired.
“continuity” and “shorted” are sometimes used interchangably.
“leaky” means “an in betweener”, neither fully “open” nor fully “shorted” It is a partial or high resistance conducting path where one is not desired such as a partially shorted condenser.
So in your question above the wires from end to end on the extension cord would have “continuity” or show shorted from end to end, but be “open” across either end of two separate conductors.
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