Extension Cable | McMaster-Carr

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6,279 Products

Electrical

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Electrical Cable

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

Data Connection Hubs

Data Connection Hubs

Add USB, DisplayPort, or HDMI ports to your computer to connect multiple device

Outlet Strips

Plug in multiple devices to power them from a single outlet

Electrical Plugs

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

Electrical Sockets

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

Electrical Cord Adapters

Electrical Cord Adapters

Change the electrical connection style between an outlet and your equipment

Electrical Cord Reels

Electrical Cord Reels

Neatly store electrical cords for easy access

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Electrical Wire

Electrical Wire

Make single-wire connections; generally for lower voltages and shorter distances than cable

Electrical Connector Contacts

Electrical Connector Contacts

Crimp wire into pins and sleeves to create custom Molex or Amphenol connectors

Electrical Cord Locks

Electrical Cord Locks

Cover mated connectors on extension cords to prevent disconnection

Electrical Cord Circuit Interrupter Converters

Electrical Cord Circuit Interrupter Converters

Hardwire to extension cords to protect against electric shock in wet areas

Electrical Cord Holders

Electrical Cord Holders

Keep extension cords, rope, hose, and chain tangle-free and ready to use

Battery Chargers

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

Raceway and Raceway Fittings

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

Communication

Telephone Connectors

Telephone Connectors

Replace the plug on your phone cord, or extend your line by connecting cords together

Fluid Handling

Thermocouple Cords

Thermocouple Cords

Extend the reach of thermocouple probes

Containers, Storage, and Furniture

Hose Reels

Store hose neatly to remove tripping hazards and reduce wear

Lighting

Light Sockets

Install or replace sockets in fixtures for standard household, tubular, compact, or miniature bulbs

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)