A metal mat would keep parts grounded but would short out exposed parts.
How to use anti static grounding mat.
At a static free work station a common ground point will be noted by a symbol that looks like a black and white target.
However it is more common to connect the mat directly to an electrical outlet using a.
It does this by having a controlled low resistance.
In order for the mats to work efficiently they need to be grounded.
An insulating mat would provide no ground reference and so would not provide grounding.
This condition can cause a short in your components from a rapid discharge of electrostatic energy.
The grounding cable is what connects the anti static mat being used as a work surface to the electrical outlet.
The top surface is static dissipative.
At the other end of the cord attached to your wrist strap is an alligator clip that you can use to connect yourself to a common ground.
If the mat is equipped with only an alligator clip proceed to the next step.
However having the mat and the wrist strap grounded at the same point does keep them in electrical balance.
The difference between using grounding cables separate for a mat or wrist strap as opposed to a common point ground is primarily ergonomic.
To the metal chassis of the electronic device on one end and the other to your wrist or to the mat if unable to ground the mat to a socket.
Prevent esd issues through proper grounding by using anti static mats and wristbands when working on a computer.
Anti static mats are grounded by being placed on top of a conductive work surface or by using grounding cables to connect them to an electrical outlet.
All anti static mats aka esd mats have one purpose to dissipate the static charge that can and usually does build up on the human body during a typical day in a controlled manner.
Step 1 place an anti static mat on the desktop surface of a workbench.
Naturally as the undersurface of the mat is conductive if the table and floor are also conductive then the static will travel to ground via these.
Using a anti static mat and wristband to prevent esd.
Anti static wrist strap.
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The side that is blue gray or green the bottom surface is impregnated with carbon which is why it is black.
An antistatic floor mat or ground mat is one of a number of antistatic devices designed to help eliminate static electricity.
Really creative name for the mat huh.