I spoke to a lighting expert and electrician who gave me a handy rule of thumb for working out how many LED bulbs ... trees too. The usual rule for lighting Christmas trees indoors is to use 100 ...

When Edison patented the light bulb in 1880, its exact value was hard ... had introduced Britain to the Teutonic tannenbaum—the Christmas tree—and the idea spread. In the States, President ...

According to Green Match, the UK spends approximately £189 million to light up their Christmas tree every year – an ...