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Utilities
Of or related to any publicy utility institution mandated with maintaining the infrastructure for a particular public service; such as the provision of water, gas and electricity.
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Utilities > Electricity 
opening time
Electrical equipment; Electricity
For a CB the time between energizing of the trip coil and the instant of contact parting. With a relay the operating time is defined as the time which elapses between the ...
operating current
Electrical equipment; Electricity
The current used by a lamp and ballast combination during normal operation.
operating current (of a relay)
Electrical equipment; Electricity
The current at which a relay will pick up.
operating time characteristic
Electrical equipment; Electricity
The curve depicting the relationship between different values of the characteristic quantity applied to a relay and the corresponding values of operating time.
operating value
Electrical equipment; Electricity
The limiting value of the characteristic quantity at which the relay actually operates.
machine tool wire (MTW)
Electrical equipment; Electricity
Used for electrical connections inside equipment.
multi-crystalline (photovoltaic)
Electrical equipment; Electricity
A material that is solidified at such a rate that many small crystals (crystallites) form. The atoms within a single crystallite are symmetrically arranged, whereas the ...
Sub-categories
- Electricity (7954)
- Emergency systems (0)
- Gas (1175)
- Sewage (66)