RCD adaptor
Numéro d’image : 13454863
| RCD adaptor. An RCD is an electric switch that cuts the electricity supply to a device when a fault develops. They are also known as earth leakage circuit breakers (ELCB). Many electric devices, especially gardening equipment, have plastic casings and therefore no earth wires. The lack of an earth wire means there is no path for electricity to flow should the device become live, for example if the power cord is severed. The RCD works by continually measuring the live and neutral current flows, which should be equal, and as soon as a difference occurs the electricity is shut off in under 40 milliseconds. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / DK IMAGES |
| Taille de l’image : | 2810 px × 3686 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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