WASHINGTON — Eight years ago we began changing out the old light bulbs in our Roadtrek for LED bulbs. In an older RV with a single battery, the change to LEDs is a significant power saving. We changed everything but the fluorescent light over the dinette. It was not quite the power hog as the incandescent bulbs and it really produced a lot of light when you needed it. When boondocking we avoided turning it on since it used 1.5 amps.
Many older RVs have that same round fluorescent light – the Thin-Lite 109C – located above the dining table. It is 9.38″ in diameter and 1.63″ thick.
Read the full story from Roadtreking.