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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 
RHH
Electrical equipment; Electricity
A rubber or XLPE insulated conductor designed to be used at operating temperatures up to 90 degrees Celsius in dry locations.
RHH-2
Electrical equipment; Electricity
A rubber or XLPE insulated, moisture resistant conductor designed to be used at operating temperatures up to 90 degrees Celsius in dry and wet locations.
ridge pin
Electrical equipment; Electricity
A device that allows the mounting of a pin type insulator to a pole. The ridge pin is bolted to the top of the pole and the insulator is screwed onto the threads at its top.
ripple
Electrical equipment; Electricity
The magnitude of AC fluctuation in a DC signal, after filtering. Ripple is usually expressed as a percentage of rated output.
ripple content of the output
Electrical equipment; Electricity
With steady-state input conditions, the peak-to-peak value of the fluctuating component of the output.
riser pole
Electrical equipment; Electricity
A pole used to transition from overhead and underground cables.
registered jack 11 (RJ-11)
Electrical equipment; Electricity
Standard telephone connector which has a tab that snaps into the socket and must be pressed to be removed from telephone or socket. Usually houses two wires but is capable of ...
Sub-categories
- Electricity (7954)
- Emergency systems (0)
- Gas (1175)
- Sewage (66)