Light Sources
Why can a led bulb glow when the switch is off
Causes due to which LED lamps can glow dimly after turning off the switch: switch with indicator, faulty wiring, improper connection of LED lamp....
What is a halogen lamp, where is it used, how to choose a halogen lamp for the home
What is a halogen lamp, the device and principle of operation. Types of halogen lamps and their technical characteristics. Comparison with other types of lamps....
Diagrams for connecting LED strips to the network 220 and how to connect the ribbons with each other
Diagrams for connecting LED and RGB LED tapes to a 220 V mains. Ways to connect multiple LED tapes, connect tapes with each other...
How to choose a LED strip for lighting, types of LED strips, deciphering labels
What are the types of LED tapes: monochrome and color, open and sealed. The main characteristics of LED tapes: voltage, density of LEDs, power. Deciphering of marking.
Comparison of the main parameters of LED lamps and incandescent lamps, the table of correspondence of power and luminous flux
Comparison of the main parameters of LED lamps and incandescent lamps: differences in design and principle of operation, comparison table of power and light output, heat dissipation,...
Installation of spotlights in a suspended ceiling - connection diagrams, calculation of the number of lamps
Schemes of connection of spotlights of a suspended ceiling to the network 220 V. Calculation of the required number of luminaires and the choice of their location on the ceiling....
All types and kinds of bases for light bulbs - marking rules and what is the difference
How the marking of bases for light bulbs. Features and application of the main types of lamp bases. Technical characteristics of popular types of bases.
How to dispose of fluorescent lamps?
Why it is necessary to dispose of fluorescent lamps. Where to dispose of lamps and what the cost of recycling daylight bulbs. What to do if the lamp breaks at home?
How do I replace a fluorescent lamp with an LED?
A description of the benefits of converting a fluorescent bulb to an LED bulb. Options for replacing bulbs with LED bulbs for electronic and electromagnetic control gear.
What is a fluorescent lamp and how does it work?
The device and principle of operation of a fluorescent lamp. Marking and classification of lamps. Description of the technical characteristics, advantages and disadvantages of LL.
How to connect a fluorescent lamp - schemes with a choke and ballast
How to properly connect a fluorescent lamp. Its device and circuit with a choke and starter. What is an ECG and EFG and in...
Why does the LED lamp blink?
Identifying the cause of LED bulb flicker when the light is on and off. How to remove the flickering LED lamp, determining the cause of this phenomenon.
Who invented the light bulb first?
The incandescent light bulb, which is used in almost every home, was invented in the 19th century. The story of its invention was not simple and...
What is a choke?
In circuits with alternating current in order to limit the load current are used chokes, that is, inductive resistances. Such devices provide significant...