Signal Wire Connectors | McMaster-Carr

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1" Circular Connector

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1,819 Products

Electrical

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

480 products

Electrical Cords

Connect equipment and devices to a power supply

677 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

205 products

Electrical Connector Contacts

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

13 products

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

273 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

21 products

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

8 products

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

8 products

Communication

Telephone Connectors

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

12 products

Telephone Cords

Connect telephones to data outlets

9 products

Telephone Splitters

Connect multiple phone lines to a single telephone jack

4 products