Radio frequency interference (RFI) to frequencies in the AM and shortwave broadcast bands has been on the increase in the last two decades, due primarily to switch-mode power supplies being used for ...

EAST CLEVELAND, Ohio--(BUSINESS WIRE)--GE’s new Evolve™ LED Scalable Cobrahead lighting fixtures have been installed by Xcel Energy in the city of West St. Paul, Minn., as part of a utility-initiated ...