20 Terms
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Electricity
A database referring to the existence of a flow of electric charge.
Industry: Utilities
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Electricity
metal enclosed (switchgear)
Electrical equipment; Electricity
An expression used by some manufacturers to describe a category of low voltage, 600 volt class switchgear equipment, where the circuit breakers are all enclosed in grounded, sheet-steel enclosures. ...
metal halide lamp (MH)
Electrical equipment; Electricity
An HID light source in which the arc tube's primary internal element is Mercury Vapor in combination with Halides (salts or iodides) of other metals such as Sodium or Scandium.
metering (non-tariff)
Electrical equipment; Electricity
Values computed depending on the values of digital or analog inputs during variable periods.
metering (tariff)
Electrical equipment; Electricity
Energy values computed from digital and/or analog inputs during variable periods and dedicated to energy measurement for billing purposes.
mid point sectioning substation
Electrical equipment; Electricity
A substation located at the electrical interface of two sections of electrified railway. It contains provision for the coupling of the sections electrically in the event of loss of supply to one ...
