4C | Weatherproof Switch 1 pole IP66 250V 16A The 4Cabling Weatherproof Isolator Series is IP66 certified, robust, suitable for outdoor and warehouse use, and features standard and mini designs. APPLICATION Most suitable for residential, commercial and industrial applications, such as air conditioners, swimming pools, outdoor illumination signage, solar equipment, gardens, car parks and exterior walls FEATURES Combination head terminal screws Combination head earth and neutral terminal screws Alignment sleeves on switch housing guides the screwdriver into terminal screws to reduce the frequency of screwdriver tips slipping Cables looped in and out from: Overhead, Underground or Straight through the switch Includes 20-25mm threaded reducers for hassle-free installation Temperature Resistance The temperature range is limited by two aspects: The material used in mouldings The operating temperature of the electrical components.