The object in the image is an A.N. Wallis square tape clamp, used for lightning protection and earthing systems.
Specifications
- Function: Suitable for creating cross, straight-through, or tee joints in a continuous network of flat earthing tapes.
- Material: Typically manufactured from gunmetal (high copper alloy) for copper earth tapes or aluminium for aluminium tapes.
- Fixing: The base has a countersunk hole for securing the clamp to a surface, and the lid is secured by four screws.
- Typical Tape Compatibility: Designed for use with flat tapes, such as 25x3mm copper or aluminium tape.
- Part Numbers: Common part numbers include JG253 (gunmetal) or JA253 (aluminium).
- Standards: Tested to standards such as BS EN 62561-1 Class H.
