It is non isolated, Twin outlet with TV/FM diplexer for connection to single coaxial aerial lead with combined tv & FM signals, Provides safety isolation rated at 2000VA.C, Between aerial lead and socket · · · Colour: White · · Height: 86mm · · Material: Moulded Plastic · · Mounting Type: Flush · · Width: 86mm · · Fixing Centre: 60.3mm · · IP Rating: IP 2XD · · Number of Gangs: Twin Gang · · Number of Outlets: 2 Outlets