25-10-2017, 08:53 PM
ha ha. of course! I can't believe I've been thinking about this all afternoon and hadn't twigged.
So is the reason they maintain separate circuitry in practice because the electrical flow is from the dual entry side, and can't "enter" from the earth, so to speak? Still head scratching a bit...
So is the reason they maintain separate circuitry in practice because the electrical flow is from the dual entry side, and can't "enter" from the earth, so to speak? Still head scratching a bit...