Oil is used to cool transformers at substations, he explained, but “if there is a catastrophic failure of a component, this can cause a big electrical spark or flashover which is extremely hot.” ...

Airline executives, electrical engineers and passengers questioned how Britain’s gateway to the world could be forced to close by one fire, however large. Heathrow, and London’s other major ...

Underground wiring puts light and power anywhere in the yard. We'll show you how you can do it easily and safely. The post ...