Motor starters and contactors are motor-starting devices.

Noncontact safety interlock switches couple a moveable guard door with the power source of the hazard.

Angular contact bearings are designed so that a contact angle between the races and the balls is formed when the bearing is in use

Patch panels are groups of ports used to connect lines between communications and electronic devices.

Contact wheels drive and provide backup support for abrasive belts.

Reed switches are magnetically actuated switches.

Electromechanical relays are devices that complete or interrupt a circuit by physically moving electrical contacts into contact with each other