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Festival lights are connected by a number of light bulbs connected to the lighting circuit
- When the lighting voltage is 220V, 10 "12V" and "10W" series connected to the lighting circuit, the voltage of each bulb is 22V, over the rated voltage of the bulb, the bulb will be burned out. Therefore, A errors
What are the main points of power distribution and lighting energy-saving supervision?
- The heat transfer coefficient, shading coefficient, visible light transmittance and the dew point of insulating glass should be in line with the design requirements.s
The sign and meaning of energy saving lamp
- At present, China's lighting products have two kinds of energy-saving certification mark: "CQCES energy saving" and "Festival" word marks
What are festivals fireworks?
- It is no longer just for the holiday fun, and is widely used in national defense and national economy, such as: Ye Guangdan, flares, smoke bomb, fire bombs, coach imitation bomb, bomb and so on target indications
Jiaxing Shenghui lighting treatment?
- lots Shaopian dorms not convenient to go out 9, for love comfort for people, occasionally playing soy sauces
LED lighting energy-saving transformation really good?
- Energy unit production workshop is originally used 36 watt fluorescent lighting, a year about 627 thousand yuan electricity; energy saving lighting, replace the original fluorescent lamp 2460 using 2460 LED 16 watt fluorescent lamp; a year is about 369 thousand yuan.s
In the application of the following electrical appliances, what is said is incorrect
- Between A, all the lights in a lighting circuit are connected in parallel, so the option A either.s
What is the color temperature of a star hotel?
- The main lighting: 1) commonly used in general lighting lamps, embedded downlight, light tank etc..s
How big is a traffic light
- Traffic light is everywhere in our daily life. Every day you drive your car to commute, you will find out a traffic light on street. It is so familiar in our life, so that everyone...
What's led recessed downlight
- Led recessed downlight can be used at Office lighting, home lighting, Commercial shops, hotels, exhibition halls, art gallery, Museum, and so on.Specifications and product descript...
What's led flashing lights
- Led flashing lights are extremely easy to use and install. When activated, this amazing LED light is nearly impossible to miss, which helps first responders increase their visibili...
Cheap led downlights become more and more polular
- They are one of very few specialist "fibre optic" lighting suppliers left in the country, our knowledge and experience in this fields is second to none hence the increase...
How much does a traffic light weigh
- Traffic lights, big and small, how much does a traffic light weigh, the need to points. Now in almost every intersection traffic lights, which is "traffic cop" don't ...