Q:How much ballast does the LED 15W lamp belt need?

The key is the light effect of LED. Light effect LED beads are currently available from 40LM/W~100LM/W, see what you buy. Incandescent light effect is about 10LM/W, LED whole lamp, if it is cheap Zhongshan goods, it is estimated that 30-40LM/W, okay, you can go to the 60-70LM/W, PHILPS light Expo in the sample displayed, you can go to 90LM...The LED lamp uses a constant current source, not a ballast, and the output power of the constant current source should be greater than 100W, and the specific value depends on the setting

Q:What are the suitable places for patio lamps? What are the materials required for the patio lamp?

Courtyard lamps are suitable for parks, courtyards and high-end residential quarters, both sides of the road, commercial pedestrian streets, leisure plazas, scenic spots and so on.

Q:Disadvantages of solar garden lamps

LED courtyard lights should be used in urban sub roads and residential roads and sidewalk lighting, landscape lighting, garden lighting, solar and wind power supply lighting, applied to mines, ships, machine tools and other lighting. It can replace incandescent lamp, energy saving lamp, electrodeless lamp, mercury lamp and sodium lamp without replacing the original lamp holder.

Q:LED how much is the courtyard lamp W?

Maybe 10w~15W. Listen to what a friend of the lighting department said. It's for your reference only

Q:How much is the installation of the courtyard lamp?

Depends on whether you have to pull the wire, if only to dig the foundation installation, a light salary of about 150, but also depends on the number of installed.About courtyard lights, I hope I can help you, please adopt.

Q:How many watts of energy saving lamps are suitable for the three meter courtyard lamp? How many watts of LED?

This wants to see you in the garden is what to do with, is a long light or when! What do you do when you use it? Only by knowing these can we make better use of our resources without waste!

Q:How about the installation and subsequent maintenance of LED garden lamp?

The courtyard ground courtyard ground need strict attention, and the lamp can be close to the bare metal column conductors shall be reliably connected with the PEN line, ground wire should be a single trunk, trunk ring net should be formed along the courtyard layout, grounding line should not be less than two and the grounding line connecting leads.

Q:What are the manufacturers of solar garden lamps?

About the modern garden and suitable LED garden lamp lighting to become the night view of the core technology, to all kinds of LED laser lighting, lighting, lighting the use of color in the garden, full of modern starting point LED garden lamp lighting, light source, bring new changes, to the city, the beautiful garden the characteristics, conditions of lighting can succeed, mainly lies in the can core LED garden lamp lighting design, elegant people to enjoy.

Q:How to lay the courtyard lamp in the district?

1. AC power supply is 15% less efficient than solar energy, that is to say, to obtain the same output power, the AC power will be more than 15% of the input power. And the power factor, if not compensated, will lead to reactive power increase of the grid.2., the biggest advantage of solar LED street lights is that they don't have to pay the electricity bill at all. A 250 Watt High pressure sodium lamp costs about 766 yuan per year. 20 million street lamps, electricity, an expenditure is 15 billion 330 million yuan.3. ordinary high-pressure sodium lamp life is only 3000-5000 hours, and LED life of up to 30000-50000 hours, and with the progress of technology, LED life is likely to be as high as 100 thousand hours.

Q:Is the LED courtyard lamp cold?

LED is afraid of the heat, the heat is not good, directly lead to decay,