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Frequently Asked Questions..

What is LED?

LEDs are full of electronic components that convert electrical energy directly to light through the movement of electrons within the material of the diode.  LEDs are important because due to their efficiency and low energy, they are beginning to replace most conventional light sources.

How long will LED lights last?

LED Lights are typically rated from 30,000 – 100,000 lamp life but this ‘rating’ doesn’t always note the fact that light output may only be 60 – 70% of a new light or if they will still be working.

Once again choosing a quality light will help ensure the LED light continues to produce the required light level for 10+ years.

LED Quality – Are all LED Lights the same?

No, Simply there is a lot of different quality LED’s out on the market and each factory has different standards. There is no current Australian standard to judge the quality of the LED but as the old saying goes you usually get what you pay for with a massive ranges in cheap to expensive LED globes.

Why is LED more expensive?

LEDs are made up of a number of materials such as Ceramic, rare earth phosphors, silicone, solder and gold wire. Also the LED Chip which has sapphire and gallium in the semiconductor.This offers long lasting efficient light sources to the end user. LEDs also require further tests for calibration and standardization.

Does LED have Economic advantages?

LEDs have a longer life than most conventional light sources, so this means there is less maintenance and lamp replacement costs. Which concludes in less money spent on new globes and labour for fitting new lights. LED’s do also consume less energy so overall they are more economically efficient than most conventional light sources.

Do LED Lights Attract Insects?

Insects are primarily attracted to UV rays. LED Lights do not have UV content and  do not attract many insects compared to conventional light sources.

Why do LEDs require power supply/Drivers?
As the LEDs are quite a low voltage device they require a power supply unit or drive that convert line voltage to low voltage so the LEDs run. Drivers have the electronics that can interpret control signals allowing it to dim.

What are some different types of LED Drivers/ power supplies?

LEDS are driven by constant current or constant voltage drivers.
Constant current drivers fix the current of the system and vary the voltage on the load of the LED.
Constant voltage drivers require a fixed voltage.

Constant Current (350mA, 700mA or 1A)
Constant voltage (10V, 12V or 24V)

How do i know Which Driver to choose?

Products will normally state whether they are in mA or V. Products that are rated mA should be used with a constant current driver, whereas LEDS rated in V should be used with a constant voltage driver. LEDs designed for a certain driver can not be used with the opposite driver as will cause damage.

What are the advantages of 24V LEDs over 12V LEDs?

12v LEDs are mostly suitable for applications with low light outputs whereas 24V LEDs offers products with higher outputs. 24V Drivers also have a longer range for permissible distances between driver and light source.

How are LEDs Dimmed?

LEDs are dimmed by either PWM- Pulse width Modulation or by CCR- Constant Current Reduction. CCR Means the light level required is proportional to the current flowing through the LED. The current flows continuously through the LED and is reduced/increased based on whether the LED needs to be made brighter or dimmed. PWM dimming involves switching current at a high frequency from zero to the rated output current.

Is it true that LEDs do not produce heat?

No, The LED Fixture itself does produce heat. However, It is true that there is no heat, IR, in the beam.

Why does my LED Flicker when dimmed or turned off?

Flickering is usually caused due to incompatibility between the driver and the control system. Always ensure when purchasing an LED product that it is dimmable, and that you are using the correct driver type.

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