We have all seen them on the supermarket shelves, heard about them on TV and magazines, and have been urged to use them, even though they seem to be more expensive to buy than traditional tungsten filament lightbulbs, which are fast disappearing. But what do we know about them and why they are supposed to help everyone spend less on electricity and are a benefit to the planet?

The changes are in line with Energy saving requirements and regulations that all student electricians will be taught on approved training courses in order that they can correctly assess, advise and install the correct types of energy saving lighting and heating equipment into domestic and commercial properties.