Double insulated lights (often referred to as class2 lights) can be used in all properties, including older homes that do not have an earth wire. Quite a lot of older properties built before or during the 1960's may not have an adequate earth cable. Double insulated lights have 2 layers of insulation built in to protect the live parts.
Double Insulated Lighting Exterior Lights
Double insulated lights can be used in all properties, including older homes that do not have an earth wire.
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