SALT LAKE CITY — Rocky Mountain Power has confirmed the cause of some Utah residents' lights flickering Friday evening. Around 6 p.m., a high-voltage power line tripped. The cause was weather-related.

National Grid is investigating a transmission line issue in Central New York after some residents reported flickering lights, ...

All solid-state lighting, generally speaking, is powered by an AC power source. Of course there are some LED lights that are battery operated. The AC source has a 50Hz or 60Hz line frequency that must ...

That was one impressive windstorm we had the other night. Casualties included our neighbor Misty’s big wooden fence (five 4”x 4” posts broke off) and half of an ancient tree that collapsed on our ...