1. All control wires will be #16Ga. MTW in the panel for 20A and less. #14Ga. THHN or THWN in the field for 20A or less; the following color standard will be followed.
Green, Green/Yellow = Ground
White = 120 VAC Neutral
Black = Source power (unswitched power with the exception of Estop feed power)
Blue = 120VAC PLC Input
Red = 120VAC PLC output, 120VAC switched control wiring
Purple = Estop feed power
Pink = Estop return power
Blue/White spiral stripe = 24VDC PLC Input
Red/White spiral stripe = 24VDC PLC Output
Brown = 24VDC Positive
Yellow = 24VDC Common