Fiber optic cables, as essential components in modern communication and construction sectors, must meet CE certification requirements to enter the EU market. ce marking is a mandatory compliance symbol in the European Union, covering safety, health, and environmental protection. Where a cable is required to comply agai st CPR, the primary CE mark will be against this. Under the European Construction Products Regulation (CPR), all cable manufacturers and suppliers are now required to apply CE marking to all cables permanently installed in all household, commercial or industrial buildings or civil engineering work in the European Union. Different types of cables have different characteristics and, as such, are subject to specific directives or regulations.