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Audible noise is any sound that the eardrum can detect. The range of the sound frequencies normally heard by the human ear spans from 20Hz to 20,000Hz. Niko products are tested for audible noises within this frequency range and pass this quality test. Note that audible noises have nothing to do with electrical radiation and sound does not influence other electronic equipment.
If you are looking for LED lighting and want to be able to dim the light intensity, do verify a few items before or during the purchase. Use the tips below to make the best choice of LED lamps or lighting...
Lamps can sometimes be seen to flicker if a lighting circuit consisting of low-voltage halogen lamps, a ferromagnetic or electronic transformer and a dimmer is converted into a lighting circuit with 12 V LED lamps. Below are three recommendations that will help avoid flickering when using low-voltage LED lamps.
With a 2-wire dimmer, you connect the phase conductor to the electricity grid. The switching wire goes to the lamp, luminaire or light fitting which you reconnect to the grid with the neutral conductor...
A 2-wire dimmer is dependent on the connected light source for its energy supply. A quality lamp, luminaire or light fitting is therefore important. When LED lamps are of less good quality there could be visible effects.
The letters are a way of choosing your dimmer and relate to the lighting source's electrical profile. The electrical profile of a light source determines the way in which the light intensity can be controlled by a dimmer.
Every dimmer has a minimal required power and a maximum permissible power which is expressed in watts (W), for loads that respond in a resistive way, or volt-ampere (VA) for inductive and capacitive loads.
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