MK Sentry 4-Way RCD Garage Consumer Unit

RCD - A residual-current device is a safety switch mechanism used to prevent electrocution.

200mm - The equivilent of 20cm

Earth - A planet third from the sun. Similar size to Venus but rich in water and complex life.

Year - The time it takes the planet earth to orbit the sun. This takes around 365.25 days.

Year - 365 days (366 days in a leap year), the time taken for planet earth to make one full revolution around the sun.

Design - A drawing or styles that shows the look and functionality of something before its made.

With over 30 years experience in the home improvement and building industry, Screwfix have a huge range of products to choose from. They cater to a range of people such as tradesmen, home improvement enthusiasts and DIY beginners. Their product range caters to bathrooms, kitchens, plumbing, electrical and a variety of power tools. As well as having an online presence at screwfix.com with over 20,000 products lines, Screwfix have over 225 store throughout the UK. They also regularly produce a catalogue which has over 14,000 products inside. Products for sale include heating systems, lighting, bathroom suites, gardening tools, construction equipment, workwear, ladders, ventilation equipment, power tools, plus much more. Customers can visit one of their many stores to take their products home straight away, or order online for fast and efficient delivery. Their customer service is award winning, and they offer great advice both online and instore.