If you eventually plan to take all four parts of the exam, you can check all four boxes. After you pass one part of the exam you have 18 months to take and pass the other three parts. See the 18 month requirements below (How do I calculate the 18 months rolling window?).
Though you may not notice, as bulbs age they don't generate as much light as when they were new. That means your headlights may still work after five or six years, but they may not be as bright or illuminate as much of the road as they used to.
Less Waste. Insteon LED Bulbs can last a long time-so long that you would need over 50 traditional light bulbs to match the lifespan of just one Insteon LED Bulb. The energy efficient LEDs in each bulb are designed to last up to 52,000 hours. Compare that to just 1,000 hours with a tungsten light bulb.nergy efficient. Even with all of the advanced Insteon technology packed into each LED Bulb, Insteon LED Bulb manages to use a mere 9W of electricity and LED Bulb for Recessed Lights a paltry 12W. But that doesn't mean your LED Bulb will be dull-each bulb is as bright as a 60W incandescent light.