SJTW Extension Cords | McMaster-Carr

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171 Products

About Extension Cords

Find the right wire gauge based on your application, power draw, and cord length.

Extension Cords

The insulation on these cords resists water, so they can be used outdoors.

Multi-Outlet Extension Cords

Power multiple devices with one extension cord.

Abrasion-Resistant Multi-Outlet Extension Cords

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

Locking Multi-Outlet Extension Cords

A locking lever on the socket keeps multiple devices connected to these extension cords.

Extension Cords with Inline Outlets

In addition to an outlet on the end, these cords have multiple inline outlets.

GFCI Extension Cords

Keep personnel safe from electric shock with these cords.

Locking Extension Cords

A locking feature on the female socket prevents your device from disconnecting.

Extension Cord Adapters

Change the connection style between an outlet and your equipment.

Abrasion-Resistant Turn-Lock Extension Cords

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

GFCI Turn-Lock Extension Cords

Keep personnel safe from electric shock with these cords.

Power Cords

Connect equipment and devices to a power supply.

GFCI Power Cords

Stop electric shocks before they happen—these cords cut power to equipment when they detect an unsafe current.

Electronic Equipment Power Cords

Use these cords with computers, lab equipment, and office machines that have IEC connections.

Sure-Grip Electronic Equipment Power Cords

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.

Electronic Equipment Cord Splitters

Power multiple devices from one power source.

Sure-Grip Locking Electronic
Equipment Cord Splitters

Create secure, vibration-resistant connections on both ends—these cord splitters have a hospital-grade plug and locking sockets.

Turn-Lock Power Cords

Hardwire these cords to equipment.

Extension Cords

Extension Cords

Multi-Outlet Extension Cords

Abrasion-Resistant Multi-Outlet Extension Cords

Locking Multi-Outlet Extension Cords

Extension Cords with Inline Outlets

GFCI Extension Cords

Locking Extension Cords

Extension Cord Adapters

Abrasion-Resistant Turn-Lock Extension Cords

GFCI Turn-Lock Extension Cords

Power Cords

Power Cords

GFCI Power Cords

Electronic Equipment Power Cords

Sure-Grip Electronic Equipment Power Cords

Electronic Equipment Cord Splitters

Sure-Grip Locking ElectronicEquipment Cord Splitters

Turn-Lock Power Cords

Sure-Grip Locking Electronic
Equipment Cord Splitters