grounding resistance
41Arc flash — An arc flash (or arc blast) event is a type of electrical explosion that results from a low impedance connection to ground or another voltage phase in an electrical system. DefinitionAn arc flash is a voltage breakdown of the resistance of air… …
42Antistatic garments — Anti static clothing (garments) is required to prevent damage to electrical components or to prevent fires and explosions when working with flammable liquids and gases. If not controlled, electrostatic discharge can cause product damage to… …
43система — 4.48 система (system): Комбинация взаимодействующих элементов, организованных для достижения одной или нескольких поставленных целей. Примечание 1 Система может рассматриваться как продукт или предоставляемые им услуги. Примечание 2 На практике… …
Словарь-справочник терминов нормативно-технической документации
44France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …
45Antenna (radio) — Whip antenna on car …
46Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
47Kant’s moral and political philosophy — Don Becker Practical philosophy, for Kant, is concerned with how one ought to act. His first important work in practical philosophy, Foundations of the Metaphysics of Morals, provides Kant’s argument for the fundamental principle of how one ought …
482010s — Millennium: 3rd millennium Centuries: 20th century – 21st century – 22nd century Decades: 1980s 1990s 2000s – 2010s – 2020s 2030s 2040s …
49Residual-current device — A two pole residual current device A Residual Current Device is a generic term covering both RCCBs and RCBOs. A Residual Current Circuit Breaker (RCCB) is an electrical wiring device that disconnects a circuit whenever it detects that the… …
50National Electrical Code — The National Electrical Code, 2008 edition The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment. The NEC, while having no legally binding regulation as… …
