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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
reactance
Electrical equipment; Electricity
The opposition of inductance and capacitance to alternating current equal to the product of the sine of the angular phase difference between the current and voltage.
reactive power
Electrical equipment; Electricity
A component of apparent power (volt-amps) which does not produce any real power (watts) transfer (the sine of the phase angle between the current and the voltage). It is measured ...
oscillograph
Electrical equipment; Electricity
An instrument for measuring alternating electric current or voltage by capturing the wave form. Electric Utilities use a variant called a Prefault Recorder, where the wave forms ...
Occupational Safety and Health Administration (OSHA)
Electrical equipment; Electricity
Government agency which seeks to assure the safety and health of America's workers by setting and enforcing standards; providing training, outreach, and education; establishing ...
OSHA 29 CFR 1910, subpart s-electrical
Electrical equipment; Electricity
Occupational Safety and Health Standards. Section 1910 Subpart S-Electrical Standard number 1910.333 specifically addresses Standards for Work Practices.
OSI 7-layer model
Electrical equipment; Electricity
The Open System Interconnection 7-layer model is a model developed by ISO for modeling of a communications network.
open-circuit voltage (battery)
Electrical equipment; Electricity
The voltage of a cell or battery when it is not delivering or receiving power.
Sub-categories
- Electricity (7954)
- Emergency systems (0)
- Gas (1175)
- Sewage (66)