Polycarbonate Plugs | McMaster-Carr

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306 Products

Electrical

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

146 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

2 products

Binding Posts

Test circuits before making permanent connections

9 products

Electrical Cord Circuit Interrupter Converters

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

9 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

5 products

Data Port Locks

Block USB or Ethernet ports from unauthorized use

9 products

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

15 products

Electrical Cord Locks

Cover mated connectors on extension cords to prevent disconnection

2 products

Electrical Enclosure Plugs

Block or seal holes in outlet boxes and enclosures to keep out debris, dust, and moisture

1 product

Electrical Enclosure Vents

Attach to sealed enclosures so air can flow to equalize temperature and pressure

3 products

Cable Entry Panels

Pass multiple cords into an enclosure while sealing out moisture, dust, and other contaminants

6 products

Fluid Handling

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

11 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

24 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

3 products

Building and Machinery Hardware

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

8 products

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

1 product

Safety Equipment

Safety Glasses

Shield your eyes from dirt, sunlight, lasers, and electrical and welding sparks

5 products