earth fault of electrical equipment

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• Electrical conduit — risers, seen inside fire resistance rated shaft, as seen entering bottom of a firestop. The firestop is made of firestop mortar on top, rockwool on the bottom. Raceways are used to protect cables from damage …   Wikipedia

• Earth leakage circuit breaker — An Earth Leakage Circuit Breaker (ELCB) is a safety device used in electrical installations with high earth impedance to prevent shock.PurposeMany electrical installations have a relatively high earth impedance. This may be due to the use of a… …   Wikipedia

• Earth potential rise — In electrical engineering, Earth Potential Rise (EPR) also called Ground Potential Rise (GPR) occurs when a large current flows to earth through an earth grid impedance. The potential relative to a distant point on the Earth is highest at the… …   Wikipedia

• Electrical wiring (UK) — The modern UK standards and regulations for electrical wiring no longer differ substantially from those in other European countries. However, there are a number of noteworthy national peculiarities, habits and traditions associated with domestic… …   Wikipedia

• Electrical wiring (United States) — Electrical wiring in general refers to conductors used to carry electricity and their accessories. General aspects of electrical wiring as used to provide power in or to buildings and structures, commonly referred to as building wiring, are… …   Wikipedia

• Electrical bonding — is the practice of intentionally electrically connecting all metallic non current carrying items in a room or building as protection from electric shock. If a failure of electrical insulation occurs, all metal objects in the room will have the… …   Wikipedia

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Electrical substation — An electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. Electric power may flow through several… …   Wikipedia

• fault — fault1 [ fɔlt ] noun *** 1. ) count or uncount the fact of being responsible for a bad or unpleasant situation: be someone s fault: It s my fault I forgot to give him the message. be someone s fault (that): It s not my fault that we re late. be… …   Usage of the words and phrases in modern English

• fault — I UK [fɔːlt] / US [fɔlt] noun Word forms fault : singular fault plural faults *** 1) [countable/uncountable] the fact of being responsible for a bad or unpleasant situation be someone s fault: It s my fault – I forgot to give him the message. be… …   English dictionary

• fault*/*/ — [fɔːlt] noun I 1) [C/U] the fact of being responsible for a bad or unpleasant situation The teacher was at fault for not telling the child s parents.[/ex] It s my fault – I forgot to give him the message.[/ex] If you didn t get enough sleep, it s …   Dictionary for writing and speaking English