The SMJ Rubber Double Trailing Socket is a heavy-duty 2-gang extension socket designed for reliable power distribution on construction sites and workshops. Built to conform to BS 1363/A standards, this trailing socket is specifically rated for demanding trade applications where robust electrical accessories are essential. This 13A rated extension socket features an integrated cable clamp that provides secure strain relief and helps prevent accidental disconnection during use. Operating at 240V, it delivers dependable performance for powering multiple tools and equipment simultaneously across professional and DIY settings. Ideal for electricians, builders, and contractors who need additional power outlets on site, this trailing socket is particularly suited to environments where tools need to be positioned away from fixed mains sockets. The 2-gang configuration allows two devices to be connected at once, making it practical for workshop benches, building projects, and maintenance tasks