Examlex
Explain the requirements of two sets of records involved in a union.
Two-wire Control
A simplified control circuit configuration that uses two wires for operation, commonly applied in direct ON/OFF control scenarios.
Mechanically Held
Refers to devices or components held in position or operated by mechanical means rather than by electrical power or magnetism.
Electrician
A skilled tradesperson who installs, maintains, and repairs electrical systems and components.
Pilot Device
Control equipment that directs the operation of another device or system, often based on user input.
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