Static electricity is a risk that comes with working around computers. The electricity can damage the computer and its electronic parts beyond repair. One way to make sure that doesn't happen is to make a anti-static wrist wrap to wear when working on computer parts. When properly grounded, the wrist wrap is an effective way to protect equipment. An anti-static wrist wrap works like a lighting rod, diverting the electricity into the wrist wrap.
- Skill level:
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Things you need
- Copper wire
- Insulated wire
- 1 megohm resistor
- Metal watch or bracelet
- Electrical tape
- Wire strippers/cutters
- Alligator clip
- Rubber floor mat
Twist one side of the copper wire around the metal bracelet or watch until secure. Wrap the other end of the wire around the resistor. A resistor is used in anti-static wrist wraps to cut the amount of electricity that reaches the person wearing the bracelet if the person touches an energised conductor.
Cut excess pieces of the copper wire on both ends. Wrap both ends in electrical tape to cover the loose ends.
Attach one end of the insulated ground wire to the free end of the resistor. Secure by wrapping electrical tape over both.
Attach the alligator clip to the other end of the ground wire. User pliers to crimp the connection. Wrap with electrical tape.
Place the watch or bracelet on your wrist. Clip the alligator clip to an unpainted portion of the computer whenever working on the machine.
Tips and warnings
- Stand on a rubber mat for extra grounding.
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