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Electrical metallic tubing (EMT), sometimes called thin-wall, is commonly used instead of galvanized rigid conduit (GRC), as it is less costly and lighter than GRC. EMT itself is not threaded, but can be used with threaded fittings that clamp to it. Lengths of conduit are connected to each other and to equipment with clamp-type fittings.
An energy management system (EMS) is a system of computer-aided tools used by operators of electric utility grids to monitor, control, and optimize the performance of the generation or transmission system.
Electromagnetic compatibility (EMC) is the ability of electrical equipment and systems to function acceptably in their electromagnetic environment, by limiting the unintentional generation, propagation and reception of electromagnetic energy which may cause unwanted effects such as electromagnetic interference (EMI) or even physical damage to ...
Engine house: [archaic] A firehouse housing an engine company. Engine pressure: The pressure in a fire hose measured at the outlet of the pump. Enhanced 9-1-1 : Electronic system for automatic correlation of physical telephone lines with information about the location of the caller—a useful tool for dispatchers when the caller has an ...
EEAR – emergency electrical auto restart; EEHA – electrical equipment for hazardous areas (IECEx) EFL – electrical flying lead; EFR – engineering factual report; EHT – electric heat trace; EGBE – ethylene glycol monobutyl ether (2-butoxyethanol) EGMBE – ethylene glycol monobutyl ether; EHU – electro-hydraulic unit
In commercial and industrial, unenclosed NM cable is often prohibited in certain areas or altogether (depending on what the building is used for and local/state building codes). Therefore, it is almost never used by commercial electrical contractors. Most wiring is put in non-flexible conduit, usually EMT because of its cost and durability.
"Last week was tough and I couldn't even stand up on Tuesday, could barely even walk, crawling around the house," Richardson said. "But I'm here, I'm standing now. If I can do anything in my power ...
Electronics manufacturing services (EMS) is a term used for companies that design, manufacture, test, distribute, and provide return/repair services for electronic components and assemblies for original equipment manufacturers (OEMs). The concept is also referred to as electronics contract manufacturing (ECM). [1]