A ballast for a fluorescent lamp has two primary functions: Provide high initial voltage to start the lamp; and regulate lamp current during operation. Common electronic ballasts convert 60-Hz line ...

Many readers wrote in to share their experiences with lighting in response to the Home&Garden article about energy-efficient alternatives such as fluorescents, halogens and LEDs. From homeowners who ...

First, let’s make the distinction between Articles 410 and 411 of the 2011 NEC. Article 410 provides the requirements for installing luminaires, lampholders, lamps ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Even though the transition to LED lighting is well under way, there are lots of TV stations that ...