Entergy Mississippi is conducting emergency repairs on damaged underground circuits, causing a temporary power outage in ...

Learn how to create a reliable 12V battery backup circuit for routers, LED lights, or small electronics. This step-by-step ...

A battery backup for the solar-mains hybrid lamp design that supplies a constant light output regardless of available solar ...

According to EU Directive 2000/55/EC, the replacement of FL/CFL lamp also requires the replacement of the start and control device of the choke coil. The phosphorus, which covers the inner surface of ...