What Is the Ribbed Lead on a Power Cord?

Electrical wires have markings to indicate if they are hot, neutral or ground wires. Ribbed leads on power cords are neutral. Hot wires are smooth, and ground wires are typically green.

Electrical Wall Plug Wire Connections: white, black, ground wire identification: ribbed vs smooth zip cord wire identification

How to Wire a Ceiling Light Red Wire

RIB® Relays - Functional Devices, Inc.

NEMA L7-20P to ROJ Power Supply Cord – SIGNAL+POWER

What Is the Ribbed Lead on a Power Cord?

Lead Cords – Tom's Sewing

What Is the Ribbed Lead on a Power Cord?

COXREELS PC10-3012-F Compact Power Cord Reel with Duplex GFCI Industrial Receptacle, 30' x 12 AWG, 20 Amps, 115V

How to Wire a Reznor Heater