Networking Equipment | McMaster-Carr

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Electrical Connection

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Centronics 36

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2,152 Products

Electrical

Electrical Cords

Connect equipment and devices to a power supply

980 products

Patch Panels

Expand and reconfigure a data network when space inside your enclosure is limited

1 product

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

128 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

213 products

Electrical Cable

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

191 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

118 products

Data Connection Hubs

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

28 products

Wall Plates

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

34 products

Electrical Connector Clips

Attach to data connectors to lock them in place, repair them, or color code them

4 products

Electrical Receptacles

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

35 products

Electrical Connector Caps

Protect data connectors when not in use

4 products

Data Port Locks

Block USB or Ethernet ports from unauthorized use

7 products

Wire Splices

Join wire and protect the connection

14 products

Data Port Plugs

Keep dust, debris, and moisture out of unused computer ports

3 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

1 product

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

63 products

Punch-Down Tools

Terminate and cut wire on 66 and 110 wiring blocks

2 products

Wire Stripper Crimpers

Strip wire and crimp connectors with one tool

11 products

Wire and Cable Strippers

Remove the outer insulation on wire and cable

14 products

Wire and Cable Crimper Dies

Attach to cordless crimpers to secure connectors onto cable

63 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

60 products

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

4 products

Telephone Wiring Blocks

Keep telephone cable organized and accessible

1 product

Power Over Ethernet Injectors

Power devices such as routers and wireless access points in areas lacking a power outlet

5 products

Battery Chargers

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

3 products

Measuring and Inspecting

Data Cable Testers

Identify open, short, and incorrectly wired circuits in coaxial and data cable

3 products

Data Cable Testing Adapters

Isolate the signals of a data line by connecting your testing device to an Ethernet wall outlet

1 product

Data Cable Identifiers

Trace unshielded data and telephone cables to their source

1 product

Line Tester Adapters

Connect a testing device to a telephone line

1 product

Line Testers

Diagnose issues in telephone lines or Ethernet cables

5 products

Line Testing Amplifiers

Pair with line testers to identify cables without touching them

3 products

Cords for Measuring Tool Data Processors

Connect measuring tools with SPC output to a processor for uploading data

23 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

Material Handling

Robot Workstations

Create a portable working home for your robot arm

1 product

Fastening and Joining

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

1 product