Ceiling Downlights

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FAQ

How are LED lamp quality is good or bad?
3, light. Good LED lamp 25000 hours before the light is less than 30%, the main factors are the light source and the light however decided the quality of radiator. And better light sources have foreign CREE and so on.4, light effect. Luminous efficiency is the lumen number per watt, in units of LM/W. It is the reaction power saving performance of LED downlight. The better the power saving performance, the higher the light efficiency will be.
How much LED 150W downlight spiral energy-saving lamp replacement
No matter where you use it, in general, not less than 50W LED lights can be, if not white, power needs to increase a little.
How to judge the quality of LED downlight
A good LED downlight, design not only to see it the radiator, but also its driver, the core part will have to see it with the chip, which is what we call the LED lamp.
Why use LED lamp light source patch
Chip heat dissipation is better than plug-in, long life
Excuse me, how to install the LED lamp?
According to the instruction, the hole is opened on the ceiling with an openerThree: after opening the hole, pull out the wire, then connect the drive and the lampPay attention to the positive and negative poles of the lamps and lanterns, the ground mark of the lamps and lanterns, and correctly install the ground wirePay attention to the distance between the fixtures and the wall or the wall so as to facilitate the heat dissipation of the lamp
Turn off the lights after the bright LED lamp
The choice of switching error, with indicator light (excluding fluorescent) switch is not suitable to control like small power LED energy saving lamp load, because the load current through the indicator light through to the small power is not already small. A resistor of several hundred K in parallel with the ends of the load can be improved, or the indicator light can be changed directly, and the indicating lamp for canceling the switch can also be improved.
LED downlight downlight and how to distinguish?
The lampshade can be made exactly the same. Distinguish between LED and ordinary lamp can see the inside of the light source, is a common lamp installation of energy-saving lamps. It is an LED light source lamp
The general living room to Amdo large size of the lamp?
Look at the size of the living room ceiling. Class one is. 10 cm downlight