Energy-saving light bulb. The packaging (left) displays the European Union Energy Efficiency label,which is mandatory under EU law. The bulb is 15 watts and has the consumption equivalent to a standard incandescent bulb of 75 watts. This compact fluorescent lamp (CFL) is a spiral type of energy-saving light bulb. Fluorescent bulbs produce less heat than filament bulbs,therefore more of the electrical energy is converted to light,making them more efficient | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Terry, Sheila |
Bildgröße: | 3700 px × 2467 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |