[Elecraft] ESD precautions?

G3VVT at aol.com G3VVT at aol.com
Sun May 23 06:00:53 EDT 2004


Bill,

With the number of static sensitive devices in the K2 decided at this end to 
play safe by purchasing both an anti static work mat and wrist strap when 
building my K2. Both of these items have internal high value resistors to limit 
any current passing to ground for user safety, though will drain any static 
charge away safely. Essential when working on live circuits for personal safety. 
(It is the volts that jolts, but is the mills that kills!)

The anti static work mat came with the instructions not to connect it to 
power ground? As this is all I have at the workbench, noted there are anti static 
bonding plugs available for this purpose made out of a 3 pin power plug and a 
button connector connected to the ground pin via an internal 1M ohm resistor. 
Made up something on similar lines only with a terminal on the outside of a 3 
pin power plug for connecting the alligator clips for the wrist strap and work 
mat via a 1M ohm resistor inside the power plug to the ground pin.

Regards,
Bob, G3VVT
K2 #4168


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