In which an installation comprises a mixture of low-voltage and really very low voltage circuits including mains lighting and ability, fireplace alarm and telecommunication circuits, they must be separated or segregated to prevent electrical contact (IEE Regulation 528.one). Electrical trunking, generally known as cable trunking or wire duct, is a https://waylontldti.blogunteer.com/35988437/about-cable-trunking