protection against ground-fault
51Brushed DC electric motor — A brushed DC motor is an internally commutated electric motor designed to be run from a direct current power source. Contents 1 Simple two pole DC motor 2 The commutating plane 2.1 Compensation for stator field distortion …
52Inquisition — • By this term is usually meant a special ecclesiastical institutional for combating or suppressing heresy Catholic Encyclopedia. Kevin Knight. 2006. Inquisition Inquisition …
53дифференциальная защита от замыканий на землю — Защита, в которой остаточный ток комплекта из трех фазных трансформаторов тока уравновешен остаточным током на выходе такого же комплекта трансформаторов тока или, как это чаще бывает, одного трансформатора тока, расположенного на заземляющем… …
54Churchill tank — Tank, Infantry, Mk IV (A22) Tank, Infantry Mk IV Churchill IV (75mm) Type Infantry tank Place of origin …
55Ring circuit — In electricity supply, a ring final circuit or ring circuit (informally also ring main or just ring) is an electrical wiring technique developed and primarily used in the United Kingdom that provides two independent conductors for live, neutral… …
56Great Lakes — This article is about the Great Lakes of North America. For the region, see Great Lakes region (North America). For other uses of this term, see Great Lakes (disambiguation). A rare cloudless satellite view of the entire Great Lakes region, April …
57Mountain — For other uses, see Mountain (disambiguation). Chimborazo …
58Ferroresonance — The phenomenon of Ferroresonance is the occurrence of an unstable high voltage, typically on 3 phase electrical systems which only occurs under specific conditions. The nature of the overvoltage can cause the failure of equipment.Ferroresonance… …
59Power ring (DC Comics) — This article is about the Green Lantern Corps weapon. For the supervillains, see Power Ring (DC Comics). Power ring The Green Lantern Corps rings. Publication information …
60Test light — Neon test lamp for line voltages A test light, test lamp, voltage tester, or mains tester is a very simple piece of electronic test equipment used to determine the presence or absence of an electric voltage in a piece of equipment under test.… …
