RJ-45 Jacks | McMaster-Carr

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Electrical Connection

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High-Pressure Washdown

444 Products

Most Likely Products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

8 products

Telephone Connectors

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

4 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

54 products

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

1 product

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

19 products

Electrical Cords

Connect equipment and devices to a power supply

204 products

Patch Panels

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

1 product

All Results

Electrical

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

8 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

19 products

Electrical Receptacles

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

4 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

54 products

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

1 product

Electrical Cords

Connect equipment and devices to a power supply

204 products

Patch Panels

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

1 product

Electrical Connector Caps

Protect data connectors when not in use

1 product

Data Port Plugs

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

1 product

Data Connection Hubs

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

9 products

Electrical Connector Clips

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

4 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

2 products

Data Port Locks

Block USB or Ethernet ports from unauthorized use

3 products

PLCs

Program complex automation jobs by combining the functionality of a relay, timer relay, and switch

7 products

Single-Board Computers

Combine the functionality of a PC with the flexibility of a development board’s inputs and outputs

14 products

Computers

Sturdy and reliable for harsh industrial jobsites, from frigid freezers to sweltering foundries

11 products

Ethernet Switches

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

44 products

IO Link Controllers

Communicate between your sensors, actuators, and PLC

2 products

Power Over Ethernet Injectors

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

5 products

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

4 products

Communication

Telephone Connectors

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

4 products

Telephone Splitters

Connect multiple phone lines to a single telephone jack

1 product

RFID Reader/Writers

Scan RFID tags to sort inventory, track items, and control building access

5 products

RFID Readers

Read RFID cards when prototyping systems or scan RFID tags to control circuits

2 products

Measuring and Inspecting

Line Testers

Diagnose issues in telephone lines or Ethernet cables

2 products