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"Industrial-grade" connectors are constructed to meet or exceed the requirements of more stringent industry testing standards, and are more heavily built to withstand damage than residential and light commercial connectors of the same type. [21] Industrial devices may also be constructed to be dust or water-tight.
Hubbell Incorporated, headquartered in Shelton, Connecticut, is an American company that designs, manufactures, and sells electrical and electronic products for non-residential and residential construction, industrial, and utility applications. Hubbell was founded by Harvey Hubbell as a proprietorship in 1888, and was incorporated in ...
A switch disconnector combines the properties of a disconnector and a load switch, [1] so it provides the safety isolation function while being able to make and break nominal currents. Integrated disconnecting switch
The company was founded in 1974 as Maintenance Warehouse in San Diego, CA. In 1997, The Home Depot purchased Maintenance Warehouse with its dedicated delivery trucks and free delivery service. In 2004, Maintenance Warehouse changed its name to HD Supply. In January 2006, Home Depot announced that it was acquiring Hughes Supply in a $3.2 billion ...
Once pushed into the receptacle, the plug is twisted and its now-rotated blades latch into the receptacle. To unlatch the plug, the rotation is reversed. The locking coupling makes for a more reliable connection in commercial and industrial settings, where vibration or incidental impact could disconnect a non-locking connector.
In a light commercial environment, more frequent wiring changes can be expected, large apparatus may be installed and special conditions of heat or moisture may apply. Heavy industries have more demanding wiring requirements, such as very large currents and higher voltages, frequent changes of equipment layout, corrosive, or wet or explosive ...
Special purpose sockets may be found in residential, industrial, commercial or institutional buildings. Examples of systems using special purpose sockets include: "Clean" (low electrical noise) earth for use with computer systems, Device for Connection of Luminaires (DCL) is a European standard for ceiling- and hanging light fixtures.
High-voltage switchgear A section of a large switchgear panel. Tram switchgear This circuit breaker uses both SF 6 and air as insulation.. In an electric power system, a switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment.