Plug and pin gauges are used to compare hole and slot dimensions or locations to specific tolerances. This product area includes go gauges and no-go gauges. 

Flange and screw plug immersion heaters are used in applications that require immersing the heater in the substance to be heated

Quarter-turn plug valves use a cylindrical or tapered plug with a hole in the center to control straight through flow when in the open position

Electrical connectors are devices that join electrical circuits together. Male connectors plug into receptacles, jacks, and outlets. Female connectors contain sockets to receive other devices

Plugs, stoppers and inserts fit into holes or cavities and are designed for the ends of shafts, tubes, pipes, fittings, connectors, screws, bars, or other shapes.

Thread gages are dimensional instruments for measuring and/or verifying thread size, pitch or other parameters.

Phone jacks and plugs are connectors used with telephones. They are also known as modular jacks (female) and modular plugs (male).

Plugin style surge suppressors plug into wall outlets to protect equipment from transient overvoltages

Web application software is used in the design, implementation, optimization and maintenance of web sites and web clients. These tools include web browsers, plug-ins, scripting languages, and other similar applications

Electrical receptacles, outlets, and wall sockets accept plugs and provide current to run electrical devices.

Power strips are used in applications where multiple AC outlets are needed, often without surge or line noise protection.

Electrical connector caps, plugs and covers are designed to provide mechanical protection for electrical connectors. They are available in many shapes and sizes to accommodate different types of electrical connections.

Caps, grips and closures are protective devices for the ends of a shaft, tube, pipe, fitting, connector, screw, bar, or other shape. They can also be used to provide a hand grip or hanger tip.

AC power connectors transfer alternating current through a variety of electronic devices. AC power connectors include simple AC inlets, outlets, and power entry modules.

Dimensional gages and instruments provide quantitative measurements of product or component dimensional and form attributes such as wall thickness, depth, height, length, inner diameter (ID), outer diameter (OD), taper or bore.