Tomorrows Lighting Today

Frequently Asked Questions

How does induction lighting compare to other forms of lighting?

Compared to other forms of lighting, induction lighting offers a longer lifespan, reduced energy costs and reduced operation expenses. View the chart below to see how induction lighting compares to other forms of lighting.

Why choose induction over new technologies like T5 and T8?

Induction lighting is considered maintenance free over its 100,000-hour lifespan. Compare this to the 25,000-hour lifespan that T5 and T8 lighting offer, which historically will involve having to change between 2 to 8 bulbs per fixture. In addition, induction lamps are 100% recyclable, unlike fluorescent lights that are full of a form of liquid mercury which is very harmful to the environment. Last but not least, induction fixtures will operate on motion sensors without affecting their 100,000 hour lifespan. T5 and T8 lighting cannot make this claim.

How long does induction lighting last compared to other lighting solutions?

Induction lighting lasts significantly longer than other lighting solutions. View the chart below to see a side by side comparison of lifespan in hours.

Why is there a ballast for induction lamps?

A high frequency is fed to the coil wrapped around the ferrite core of the external or internal inductor. The high frequency creates a strong magnet field in the inductor which couples the energy through the glass walls of the lamp and into the mercury atoms inside the tube.
The ballasts contain control circuitry which regulates the frequency and current to the induction coil to ensure stable operation of the lamp. In addition, the ballasts have a circuit which produces a large “start pulse” to initially ionize the mercury atoms and thereby start the lamp. The induction lamps do not start at 100% output - they start at between 75% and 80% output. It takes between 60 and 120 seconds for the mercury bearing amalgam in the lamp to heat up and release enough mercury atoms for the lamps to reach 100% light output.

The close regulation of the lamp by the ballast and the use of microprocessor-controlled circuits allows the ballasts to operate at around 98% efficiency. Only around 2% of the energy is wasted in the induction lamp ballast compared to the 10-15% wasted in traditional “core and coil” type designs used with most high output commercial and industrial lighting.

How much energy does it take to power induction?

Induction lighting consumes considerably less energy than other forms of lighting. View the chart below to see a side by side comparison of consumption per 10,000 Lumens produced.

How does heat effect induction lamps?

The external inductor lamps have the advantage that the heat generated by the induction coil assemblies is external to the tube and can be easily dissipated by convention into the air, or conduction into the fixture. The external inductor design lends itself to higher power output lamps which can be rectangular or doughnut shaped. In the internal inductor lamps, the heat generated by the induction coil is emitted inside the lamp body and must cool by conduction to a heat-sink at the lamp base and by radiation through the glass walls. The internal inductor lamps tend to have a shorter lifespan than the external inductor types due to higher internal operating temperatures. The internal inductor type looks more like a conventional light bulb than the external inductor type lamps which may be more appealing in some applications.

As with conventional fluorescent lamps, varying the composition of the phosphors coated onto the inside of induction lamps allows for models with different cooler temperatures. The most common cooler temperatures of induction lamps are 3500K, 4100K, 5000K and 6500K.

Induction lamps require a correctly matched electronic ballast for proper operation. The ballast takes the incoming mains AC voltage (or DC voltage in the case of 12V and 24V ballasts) and rectifies it to DC. Solid state circuitry then converts this DC current to a very high frequency, between 2.65 and 13.6 MHz depending on lamp design.  

What is the average output of induction lighting compared to other solutions?

Induction lighting has a significantly lower output compared to other lighting solutions. View the side by side comparison chart below to see output of light and CO2 emissions compared to other solutions.

What are the overall benefits of induction lighting?

  • As much as a 50% reduction of lighting energy consumption.
  • High Quality – Glare free light with CRI above 83.
  • Ideal replacement lamps for HPS, metal halide, or LPS.
  • Induction lights come with a 10-year written warranty.
  • Reduced replacement maintenance cost.
  • Instant on, flicker-free, cold start and hot re-start.
  • Made with Amalgam technology.
  • Reduced heat island effect.
  • Product life cycle is 100,000 Hours (10 years or more of use).
  • UL or ETL listed.
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