P&B Weir Electrical is a UK-based company that designs and manufactures portable earthing equipment for electrical substations and overhead lines. They maintain a high-quality ISO 9001:2008 certified system. Their range of substation portable earthing equipment is suitable for temporary earthing of conductors from 66kV to 400kV and meets UK technical specifications. The spring-loaded earth end clamps are precision manufactured from robust aluminum and stainless steel to provide a good contact without needing excessive force.