Q:What is the lamp of the lamp lamp?

In addition, tungsten can produce sublimation and condensate phenomenon. 60 watts above the bulb filled with nitrogen, argon and other gases, can hinder the sublimation at high temperatures.

Q:Whether the lamp is important or the lamp holder is important

If it is energy-saving lamps, light bulbs have a certain impact. If it is fluorescent (fluorescent) it is important to the ball in the lamp holder. If the LED bulb that is important bulb (because the LED lights built-in power) lampholders main appearance is not beautiful.

Q:Ordinary light bulb connected to the line or line of fire?

Lampholder center contact with the line of fire, peripheral contacts and zero line connection, switch control FireWire

Q:Seat lamp, hanging lamp, lamp holder how to distinguish? Do not know which of them is the light

Block lamp, hanging lamp head is mainly because the installation is different, the style is slightly different. Both the interface with the bulb is different, and is divided into screw-type lamp, bayonet lamp.

Q:How about a short circuit after removing the old bulb from the lamp holder?

Carefully check the lamp holder, whether you remove the old light bulb, the spring and the adjacent copper level together,

Q:Want to take a lamp, put the chandelier unloaded, found three lines, how to pick up?

To see if there is a line is connected with the shell metal, yes, do not control it (is a protective ground), the new lights connected to the other two lines can be, but a light, the original lights and new lights Are bright.

Q:What is the relationship between the lamp holder and the chandelier mouth?

base of the lamp holder is fastened to the lamp or the roof with the expansion bolt and the screw

Q:How is the lamp holder fixed on the wall

Place the lamp holder in the approximate position on the wall, then mark the position of the fixing hole, drill the eye with the impact drill, insert it into the plastic expansion tube, and then fix the lamp cap on the plastic expansion tube with the tapping screw. This method is very strong The

Q:Home screw cap is generally what model

The disadvantage is that when the installation must be connected in accordance with the requirements of the two lines on the socket, that is, phase line to connect the center of the lamp, the neutral line to the lamp head shell is mainly for safety needs, to prevent the screw shell live.

Q:What are the common lamp specifications for LED bulbs?

From the installation method is divided into bayonet, screw mouth, etc., from the material is divided into bakelite, plastic, metal, ceramics and other materials, commonly used lampholders such as E27 is the most common energy-saving lamp screw lampholder, and with the fluorescent The lamp holder is often called the T8 lamp holder or the T5 lamp holder,