Search Search BTD Earthing Kit 5m An electrical earthing (grounding) kit for use with all BTD series thunderstorm warning sensors. The earthing spike… BTD Earthing Kit 10m An electrical earthing (grounding) kit for use with all BTD series thunderstorm warning sensors. The earthing spike… Heng HENG HARDWARE ENGINEERING PTE LTD started in 1971 as a manufacturer for Lightning Protection System Accessories and… Previous 1 … 6 7 8