How to Fit and Mend Fuses Safely

Fuses the fuses of various current rating have different physical dimensions (except the 15A and 20A which are of identical size) which prevents, say, a 5A cartridge being replaced by one of higher current rating, on 03 bath There are two types of circuit fuses, rewirable fuses containing ordinary fuse wire, and cartridge fuses. The … Read more

Fitting Electrical Switches

The modern rocker-operated 5A lighting switch is a square plateswitch containing 1, 2, or 3 switches on the one plate and has two screw holes for fixing to the lugs of a one-gang plastic shallow surface box or a metal plaster-depth flush box. Each box contains an earth terminal to which is connected the sleeved … Read more

Working with Cables and Plugs

Cables used for home wiring are mainly twin and earth PVC flat sheathed cables containing one red and one black PVC insulated conductor and one uninsulated earth conductor. The red conductor is used in the live pole of the circuit, the black in the neutral pole. (The black conductor is also used in the live … Read more

Wiring To Plugs And Equipment

Older wiring had red insulation for the live line, black for the neutral line and green for the earth wire. Newer wires conform to a European standard. If you have a 13 amp plug with a fuse, the live wire may connect under or alongside the fuse. The neutral terminal (marked N) is at the … Read more