Electrical wires. The cable on the left carries electricity in British homes as part of the mains and lighting circuits. The wires are individually insulated and are made of thick copper,allowing them to carry high electrical currents. The black- sheathed wire is the neutral,the red wire is the live and the bare wire the earth. These colours were used up until April 2004. The cable on the right is British domestic cabling,which carries electricity from the mains to appliances such as televisions and kettles. The green & yellow-sheathed wire is the earth,the brown wire the live and the blue wire is the neutral | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Andrew Lambert Photography |
Bildgröße: | 4321 px × 3264 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |