SJ Cords | McMaster-Carr

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426 Products

About Extension Cords

Cable

Use this general purpose cable to supply power to equipment.

Coiled Cable

After extending to full length to provide added reach, this cable retracts and self-coils for tangle-free storage. It's often used with hand tools and other portable devices.

Power Cords

Connect equipment and devices to a power supply.

Light Duty Power Cords

Designed for indoor applications, these cords are often used to power appliances.

GFCI Power Cords

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

Sure-Grip 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.

Coiled Power Cords

These self-coiling cords stretch to full length and then return to their retracted length for tangle-free storage.

Safety Start-Up Power Cords

After a power failure, these cords must be manually reset, preventing unexpected equipment startup.

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.

Locking Electronic Equipment Power Cords

Create a vibration-resistant connection—the socket on these cords locks onto any male receptacle and will not detach until manually unlocked.

Shielded Electronic Equipment Power Cords

The shielding blocks signal interference from nearby equipment and devices.

Electronic Equipment Cord Splitters

Power multiple devices from one power source.

Sure-Grip Coiled Electronic Equipment Power Cords

Tug these cords to full length, and they’ll stay plugged in. Also called hospital-grade cords, they form an extra-tight connection with outlets. After stretching, they return to a tight, tangle-free coil.

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.

Sure-Grip Locking Electronic
Equipment Power Cords

Create a secure, vibration-resistant connection on both ends—these cords have a hospital-grade plug and a locking connector on the socket.

Turn-Lock Power Cords

Hardwire these cords to equipment.

Electronic Equipment Turn-Lock Power Cords

Plug these cords into computers, lab equipment, and office machines that have IEC connections.

Extension Cords

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

Extension Cords for Harsh Environments

The insulation resists water, oil, and chemicals, so these cords withstand dirty and greasy environments.

Extension Cords for Welding

Run power to welders in machine shops, garages, and other areas where these cords will be exposed to harsh conditions. These cords have either EPDM or PVC insulation that protects the cord's wires from weld slag and being dragged, kicked, and stepped on.

GFCI Extension Cords

Keep personnel safe from electric shock with these cords.

Multi-Outlet Extension Cords
for Harsh Environments

Insulated to resist water, oil, and solvents, these cords withstand dirty and greasy environments.

Multi-Outlet Extension Cords

Power multiple devices with one extension cord.

Light Duty Multi-Outlet Extension Cords

Designed for indoor use, these cords are often used to power appliances.

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.

Coiled Extension Cords

These self-coiling cords return to their retracted length after stretching for tangle-free storage.

Sure-Grip Extension Cords

Also known as hospital-grade cords, these have extra-tight connections to prevent them from detaching. The connectors are marked with a green dot.

Locking Extension Cords for Harsh Environments

Keep power flowing in dirty areas with rubber-insulated cords that resist oil, water, and chemicals. A locking lever on the socket prevents your device from disconnecting.

Locking Extension Cords

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

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.

Extension Cord Adapters

Change the connection style between an outlet and your equipment.

Extension Cord Splitters

Attach these splitters to an extension cord to power multiple devices from one cord.