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Definition: wrist strap

A device that grounds the user when making repairs to electronic equipment. It prevents electrostatic discharge (ESD) by channeling static electricity from the person to ground. One end is wrapped around the wrist, and the other is typically attached to the frame of the device being worked on. See wrist rest and wrist support.

Wrist Strap
Inexpensive wrist straps such as this one often come with high-end boards to prevent installation problems. The strap can be discarded after use.