Update your distribution board “Before you can use this page you’ll need to tell us the type and size of your home so…..click here to go there first” OK – Let’s assume that after we have tested your electrical wiring the results are all satisfactory, but your fuse board needs to be replaced to a new 17th edition IEE wiring regulations compliant type with dual Residual Circuit Current Breaker (or RCD) protection.Don’t for get to get the estimate for the testing and inspection for your house, first; then just enter the number of circuits you have in your current fuse board. Click here for a clip on the benefits of RCD’s Yes please install a VPhase Voltage Optimisation Unit. ←What’s This £ for the test & inspection, and distribution board upgrade. This price is exclusive of VAT We will give you an energy efficient lamp to replace each standard (BC) lamp in your home, or a spare if you already have them. Click HERE for the Terms & Conditions of our Offers.