Blog All Audio VisualCabinetsFibre OpticPowerSecurityStructured Networking Power Categories All Audio Visual Cabinets Fibre Optic Power Security Structured Networking Replacement Mains Cables Explained PowerJames Crozier In this short article, we explore the different types/shapes of connector to fit your device, as well as how the cables are tested to ensure that they meet a variety of safety regulations and standards.