For ungrounded systems, the greatest voltage between the given conductor and any other circuit conductor is also the phase-to-ground voltage. On a 480V, three-phase, 3-wire, ungrounded delta system, the phase-to-phase voltage is 480V. Based on the definition, this is also the phase-to-ground voltage for this system.
Welted definition, a ridge or wale on the surface of the body, as from a blow of a stick or whip. See more.
(medicine) Something applied to the skin to raise a blister; a vesicatory or other applied medicine. A bubble, as on a painted surface. (roofing) An enclosed pocket of air, which may be mixed with water or solvent vapor, trapped between impermeable layers of felt or between the membrane and substrate.