Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 355
ning Arresters 349 \vstem, no indication will be obtained while the switch:s connected to the leg that is grounded. If one leg isgrounded the lamps will be either at full or half can-dlepower, depending upon w^hich leg the switch isx>laced. AVith three-phase systems, also, no indication will… … Figure 208 With this connection as long as the line is clear thetwo voltmeters show even pressure. With a groundcoming on one side, say at X, voltmeter 1 will readlower and 2 higher; with a ground on the opposite sidt2 will read low and 1 high. With a ground on the mid-dle wire, both will read…
Electrical engineering · Electric testing
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