LED light bulbs are great -- they operate much cooler than incandescents, they save lots of kWh (kilowatt-hours -- which directly translates to $$$MONEY$$$), and their lifetime is much, much longer...BUT there are a couple of things you need to know about them before you start replacing all of your hot, wasteful, short-lived incandescent light bulbs with LED light bulbs.
  1. Many of them are somewhat directional; instead of a 360 wash of light you get with incandescent bulbs, most LED bulbs produce a cone of light averaging less than 90.

  2. They must never (and I mean ever, EVER!!!) be used on a circuit with a dimmer switch, a photoelectric (day/night) switch, or a motion detector fixture that does not have a relay inside (ones that are OK will make a soft "click" sound when the bulb comes on, and the same "click" a bit later when the bulb turns off).

    If you do any of the aforementioned, those spiffy new LED bulbs you just got will usually fail rather rapidly (and occasionally spectacularly too!!!) if used on such a circuit. You don't want cabbage butterfly caterpillars (larvae), dragonfly larvae, or baby black widow spiders...er...uh...you don't want an UNWANTED FIRE!!!

UPDATE: 00-00-00

Do you manufacture or sell an LED flashlight, task light, utility light, or module of some kind? Want to see it tested by a real person, under real working conditions? Do you then want to see how your light did? If you have a sample available for this type of real-world, real-time testing, please contact me at ledmuseum@gmail.com.

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