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430.9 Terminals
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Terminals of motors and controllers shall be suitably marked or colored where necessary to indicate the proper connections.
Motor controllers and terminals of control circuit devices shall be connected with copper conductors unless identified for use with a different conductor.
Control circuit devices with screw-type pressure terminals used with 14 AWG or smaller copper conductors shall be torqued to a minimum of 0.8 N.m (7 lb-in.) unless identified for a different torque value.