L.E.D. vurses Cold Cathode Lamps

  1. LED fixtures of any type using more than one LED must use an Integrated Circuit called a voltage regulator to give each LED the proper operating voltage. These solid state devices are extremely vulnerable to power surges and Florida being the lighting capitol of the world causes LED fixtures to fail.

    Our Cold Cathode ballasts are wire would magnetic devices that have no solid state parts and over a fifty year track record of dependability.

    You need look no further than the Orange County Convention Center Located directly across the street from the Peabody Hotel on International Drive. Power Play installed Phase III and IV in 1995 and this exterior Cold Cathode has not failed even once in the past fourteen years, and during that time we have had six hurricanes.

  2. LED fixtures will not save electrical power or money.

    LED manufacturer's representatives and sales personnel are telling end users that because LED fixtures are low voltage this will lower their utility bill by thousands of dollars compared to Cold Cathod. this is a myth, as any electrician knows if you lower the voltage the current rises, and current is what turns an electric meter.

    The only way to prove this is to build two models, one Cold Cathode, and one LED. Each model will be hooded to a digital watt meter and exposed to a light meter to determine true power consumption and light output in reality, not in a laboratory environment. Power Play Lighting is willing to build the two models if your LED source is willing to provide a sixteen foot LED display and its power supply.

    Studies already done at Southern California Edison show that the power consumption of a Cold Cathode display and an LED display of the same length and light dispersion use almost exactly the same amount of power. However the lighting output of the LED Display is approximately half that is its Cold Cathode counterpart.

  3. We looked up Behelli on the internet, and none of the companies Products have an Underwriters Laboratory (U.L.) Listing. They have ETL, and SA Listings but no U.L. for Luminary Fixtures as required by the National Electrical code.

  4. Cold Cathode has been around since the 1930s and is constantly evolving with new phosphors, tri-phosphors, unleaded glass, more efficient electrodes and power supplies and now the latest and most efficient Edison Based Lamps. These new "Green" Cold Cathode Flood Lamps, Light Bulbs, and Sign lamps are replacing Compact Fluorescent Lamps and LED Light Engines. They are more energy Efficient, they can be dimmed, and they are less susceptible to power surges.
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EXPENSE AND APPLICATION FACTORS

LED Lamp:

  1. Lamp life - varies with manufacturer's claims. Average lamp life is reported to be between 1-5 years.
  2. Power consumption for the LED type fixtures is rated at 10 watts, transformer operating on a 6.6 amp airport lighting system. In reality, it comes closer to 20 watts. The FAA isolation transformer provided to operated incandescent type lamps consume 10 watts. A typical incandescent lamp rated at 30 watts actually consumes approximately 44 watts. A 45 watt lamp consumes 67 watts.
  3. Compatible with rheostats that vary the input current (amperage).

CCL:

  1. 20,000-40,000+ hours, 5-15 years. This life expectancy is proven with over 50 years of manufacturing experience.
  2. A cold cathode lamp consumes 23 watts. If the cold cathode did not have to plug into the FAA isolation transformer (per FAA regulation) the consumption would be approximately 14 watts.
  3. Compatible with rheostats that vary the input current (amperage).
MAINTENANCE AND RELIABILITY

LED Lamp:

  1. Maintenance of an LED light must be done at the factory. Removing the LED light unit to return for repair requires replacing the fixture with a new one. Aviation, marine and other marker lights must operate every day from dusk to dawn.

CCL:

  1. Cold cathode lamps are easily replaced in the field typically in less than 10 minutes.
SAFETY CONSIDERATIONS

LED Lamp:

  1. Filament in lamp provides a point source of light.
  2. Leaves an after-image in the eye contributing to the induction of spatial disorientation.
  3. Begins to slowly fail after initial use. LED lights are typically designed to exceed rated light output (candela) for a particular light specification. This is because within the first 500 hours of operation a percentage of LEDs dim. Although the LED does not fail, over a period of time the tight output continues to dim below design specification. Long before their 100,000 hour claimed life expectancy occurs, the light fixture falls below specified light requirements. 100,000 hours of claimed operational life of the LED light fixtures is not consistent with written specification. Not: 100,000 hours = 10 hours of operation per day for 27 years. LED lights have only been on the market for a couple of years. These claims cannot be substantiated. While the LED light continues to operate it can give a false landing cue for pilots, causing significant safety concerns. including the induction of spatial disorientation.
  4. Night Vision Device (NVD) incompatible.

CCL:

  1. Electodes in lamp do not provide a point source of light.
  2. Leaves no after-image in the eye.
  3. Cold cathode lamps function at rated candela levels until they fail.
  4. Night Vision Device (NVD) compatible.

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