5 relations: Electric current, National Electrical Manufacturers Association, Relay, Utilization categories, Voltage.
Electric current
An electric current is a flow of electric charge.
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National Electrical Manufacturers Association
The National Electrical Manufacturers Association (NEMA) is the largest trade association of electrical equipment manufacturers in the United States.
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Relay
A relay is an electrically operated switch.
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Utilization categories
In electrical engineering utilization categories are defined by IEC standards and indicate the type of electrical load and duty cycle of the loads to ease selection of contactors and relays.
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Voltage
Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.
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