Is there any way to infer the gauge of the wires inside an NM cable from the size and shape of the cable? I reckon a round cable is generally -/3 W/G and a flatter cable -/2 W/G, but I do not know how ...
Consider a light with two duplex switches. The switches work as I can turn light on/off from either switch. However, I'm not getting any voltage reading on my meter. The meter does work as I can get a ...