Earthing arrangementswithin the UK and many other countries are required to conform to BS 7671. This standard is based upon the latest 18th edition of the Institution of Electrical Engineers Regulations for Electrical Installations. The Electricity Safety, Quality and Continuity Regulations do not apply...
often referred to as opaque PVC, is not transparent. Its primary purpose is functional rather than visual. It provides the same level of durability and protection but does not offer the benefit of visual inspection.