Most older light fixtures are designed for the size and shape of these traditional bulbs.
The 4000 lights are highly energy efficient, and have an annual running cost of £23,360, rather than £116,800 if traditional incandescent bulbs had been used.
Upgrade traditional light bulbs for your home.
But it is eight times as expensive as a traditional bulb, gives off a harsher light and has a peculiar appearance.
The price of traditional 60-watt bulbs has doubled since the EU announced its ban in 2008.
While that will remove traditional incandescent bulbs from store shelves, it may also affect other technologies, like bulbs filled with halogen gas.
However, traditional bulbs were still used in the ornaments.
He pointed to plans by Canada and Australia to phase out traditional incandescent bulbs over the next few years.
The Department for Environment, Food and Rural Affairs estimates that traditional light bulbs waste 95 per cent of the energy they use as heat.
Energy-efficient bulbs are up to 80 per cent more efficient than traditional bulbs and each bulb could save you up to £40 over its lifetime.