Well working in garage and accidentally making contact with metal part with ungrounded electrical appliance very like box fan or wired junction box? There are chances that you will receive jolt which might wake you faster rather than cup of coffee with 5 hour energy drinks. There can be sensitive electronics like devices and circuit boards with lower resistance rather than your skin.
Consider physical activity of moving the legs and arms can build large electrostatic discharges (ESD) which one may never notice, there is very little activity which is not dangerous to electronic components not the assembly. There are steps which one can take and tools which have been developed for protecting electronics which are sensitive with the use of anti static matting.
How do These Mats Work?
These antistatic or ESD mats usually have high electrical resistance which will allow electrostatic discharges for flowing right across the surface of the mat at a slow rate enough for getting the ESD away from electronics while neutralizing the charges which does build up.
This simple form of the ESD mat is tabletop mat which is size of placemat which can be used on desk, table or other flat surface. They connect right with grounding wrist strap with additional protection drawing away ESD charge away from the person which is working on device.
These anti static matting are also common ground for drawing these electrostatic discharges away from offending areas. These mats could in theory protect the item from working on first but then transfer the ESD to the next thing when it comes into contact with the person who is holding it or right back onto the item which it meant to protect.
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