Does My Light Fitting Need an Earth

Any light, lamp, bulb holder or fitting with a conductive or metal exterior surface must always be earthed to ensure against risk of electrocution or serious injury.

What happens if light fitting is not earthed?

If that happens and the casing is earthed then enough current will be drawn to earth to blow the fuse or trip the RCD. However if the casing is not earthed it will sit there live until an unsuspecting human touches it the best route to earth could be through said human.

What happens if you don't connect the earth wire?

Without the earth wire, if a fault occurs and the live wire becomes loose, there is a danger that it will touch the case. The next person who uses the appliance could get electrocuted . … As a result, the casing cannot give an electric shock, even if the wires inside become loose.