Questions tagged [sheathing]

Why is the induced voltage due to the current of the phase conductor wrapped around the shield not included in the voltage calculation formula induced by the shield/sheath in the three-phase coaxial cable? As shown in the equation below, the voltage…

My brother added a breaker and ran a line of wire, but he stripped off the plastic sheath leaving bare copper wire in the attic. Is this safe?

An electrical device which I own has a hand control with a rubber shielded coiled cord with five conductive wires inside, and another with seven on a different model. When the rubber is old, the sheathing peels off. See picture below. How do I…