Also known as hospital-grade cords, these cords have an extra-tight connection to prevent them from detaching. The plug is marked with a green dot.

Thick insulation protects the internal wires of these cords, so they can be used in high-traffic areas and over rough surfaces.

Give the connectors on these cords a quarter turn to lock in place.

Power multiple devices with one extension cord.

Keep personnel safe from electric shock with these cords.