Suitable For garden power tools, & DIY tools Safeguards from hazards of electric shock Essential when using power tools, and other electrical powered equipment, kettles etc. Protects against damaged extension leads and reels Required by Law where the public have access. Fits any standard 13A Socket Manufactured to BS7071 Double Pole switching. Disconnects both Live and Neutral wires. For use anywhere there is a possibility of electrocution. Max load 13A.