Masterplug WBXBFG10B-MP Weatherproof Electric Box for Outdoors with Four Socket 10 Metre Extension Lead, 351 x 220 x 126.5 mm, Dark Grey : Amazon.co. uk: DIY & Tools
CTRICALVER IP68 Waterproof Junction Box, M25 Type T 3 Way Outdoor Weatherproof Electrical Junction Box with Black Plastic Gland, Waterproof Cable Connector with Terminal : Amazon.co.uk: DIY & Tools