Q:What is the lamp of the lamp lamp?

The metal material in the bulb is the conductor, and the glass shell, the plastic part of the lamp cap is the insulator. Filament is made of metal tungsten with high resistivity and high melting point.

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

For incandescent, fluorescent lamps, of course, important lamp holder, but there are many reasons for strobe.

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

and sometimes the lamp head and hanging lamp collectively.

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?

If the regular wiring, which has a two-color line is to protect the ground, that is, then the equipment shell, then a piece of the two-color line that is not used, if there are electricians around, it is best to ask people to help pick up, of,

Q:What is the difference between a lamp cap and a lamp holder?

Commonly used lamps of electrical accessories, including connectors, lampholders, wires ... ... "visible lamp holder is the electrical accessories.

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:Can the lampholder be plugged into the socket?

Second, the socket is two holes or three holes, is inserted into the standard insert, whether it is domestic or European and American standards

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

E14, E27, E12, E26 and other E at the beginning is usually: screw lampholder

Q:What are the commonly used lamp caps?

MR16, GU10 is different for everyone's lamp holder, PAR30, 38 is different in diameter, are the world through a standard and the name, are the lamp cup, the name of the spotlight, the suit for the different ceiling lamp holder. MR16 in the lighting industry refers to the maximum diameter of 2 inches with a multi-faceted reflector lamps, MP11 is smaller than the MR16 lamps.