What types of wrist straps are available?
There is a metallic one an elastic and a hook and loop adjustable ones. In tests it has been found that the metallic type gives more consistently a better performance, more of the time is working ok. It is understood that the human body, say people, are the main cause of ESC accumulation and the wrist strap operation is most vital. Some wrist straps are provided with double cabling, one to earth and the other one to a local monitoring station. Also there are the cordless wrist straps, they are useful to use by supervisors and managers that must walk the floor but don’t need to handle delicate electronics as often (most also allow for an earthing cord connection if deemed necessary, a worker for example needing to leave a workstation, hence disconnecting the earth cord, will be somewhat more protected). The cordless wrist straps reduce charges slowly in the human body, but has been found to be unlikely to reach more than 500V, they work on a combination of factors eg skin effect, point
