Conductive (metal) plant items and equipment run the risk of accumulating dangerous levels of static charge if they are not properly earthed. Using purpose designed, Ex certified static grounding clamps is one of the safest and most cost-effective methods of ensuring plant equipment and people are protected from static ignitions in potentially flammable or explosive atmospheres. 

The article from Newson Gale highlights international standards, recommended practices and discusses the practical and safety benefits of controlling the static risk with an ATEX approved grounding clamp.