earth earth cable earth circuit connector earth conductor earth dam earth electrode earth fault factor earthfill dam earthing earthing for work earthing network earthing switch earthing system earth plate earth rod earth strip earth strip earth system earth terminal earth (to) earth wire economical load of a unit economical rating economic energy potential economic loading schedule effective demand effective demand factor effective inflow efficiency electrical circuit electrical coring electrical energy electrical generating station electrical installation electrical logging electrical network electrical power network electrical power system electrical power system electrical prospecting electrical substation electrical survey electrical well logging electric burn electric cable conduit electric cable pit electric circuit electric current electric energy transducer electric generator electricity electricity capacity of a reservoir electricity consumer electricity generated electricity supplied electricity supply system electric line electric mark

electric shock electric transformer electrocution electron electronvolt electron-volt electro-ophthalmia elementary particle emergency cooling system emergency dose emergency gate emergency generating group emergency power generating set emergency shutdown emergency shutdown emergency shutdown cooling emergency shutdown cooling system emission emissivity enclosure end of backwater end of reservoir pool end of upstream reach energetics energy Energy and economic data bank energy assessment energy balance energy capability energy capability factor energy capability of a hydroelectric power station energy capability of a reservoir energy commodity balance energy consumption energy content energy conversion energy conversion energy cost energy economics energy forecasting energy from biomass energy gap energy indicator energy intensity energy losses energy not supplied energy physics energy policy energy rate energy reserve energy shortage energy shortfall energy source energy supplied energy system energy technology energy transformation energy transformation

energy use energy utilisation factor energy utilization factor engine oil enhanced oil recovery enriched fuel enriched material enriched reactor enriched uranium enriched uranium-fueled reactor enriched uranium-fuelled reactor enriched uranium reactor enrichment enrichment of a gas enrichment process enthalpy entropy epicadmium neutron epithermal neutron epithermal reactor equivalent electrical energy capacity of a reservoir equivalent flicker voltage fluctuation equivalent network equivalent utilisation period at maximum output capacity equivalent utilization period at maximum output capacity error curve essential auxiliary circuits ethane ethyl gasoline EURATOM European Atomic Energy Community European Coal and Steel Community European Nuclear Energy Agency European Organisation for Nuclear Research European Organization for Nuclear Research European Society for Nuclear Methods in Agriculture excess reactivity exclusion area excursion exergy exotic fuel experimental hole experimental reactor exploration explosion limit explosive limit exposure exposure exposure dose expulsion type arrester external insulation external overvoltage external superheat extraction