Circuit Main Earth – Complete with CE20 & CE22A+B Clamps
Portable Earth Lead – Circuit Main Earth with CE20 & CE22A+B Clamps
150mm² clear Aluflex portable earth lead fitted with lugs and stress springs, complete with a CE20 Earth End Clamp and CE22 A+B Line End Clamp. Alternative clamp configurations are also available to suit different substation and electrical infrastructure applications.
This Circuit Main Earth assembly, also commonly referred to as a Primary Earth, is designed for use within substations and high-voltage electrical systems where safe temporary earthing is essential during maintenance and isolation procedures.
As part of Alcomet’s specialist range of substation earth leads, each Circuit Main Earth is manufactured to deliver reliability, durability and high electrical performance in demanding environments.
Every Primary Earth assembly is electrically tested and visually inspected before dispatch. Each unit is labelled with a unique identification number to ensure full traceability and quality assurance prior to leaving our premises.
If you have any questions or would like a quote please contact our team on 01384 404 488 or complete the form below:

























