Sources of light
Why can the LED lamp glow when the switch is off?
The reasons why the LED lamps may glow dimly after the switch is turned off: switch with indicator, wiring fault, incorrect connection of the 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, device and principle of operation. Types of halogen lamps and their technical characteristics. Comparison with other types of lamps....
Schemes for connecting LED strips to a 220 V network and methods for connecting strips to each other
Schemes for connecting LED and RGB strips to a 220 V network. Ways to connect several LED strips, connecting strips to each other ...
How to choose an LED strip for lighting, types of LED strips, decoding of markings
What are the LED strips: monochrome and color, open and sealed. The main characteristics of LED strips: voltage, density of LEDs, power. Deciphering the label.
Comparison of the main parameters of LED lamps and incandescent lamps, a table of correspondence between power and luminous flux
Comparison of the main parameters of LED lamps and incandescent lamps: differences in design and principle of operation, table comparing power and light output, heat output, ...
Installation of spotlights in a false ceiling - connection diagrams, calculation of the number of lamps
Diagrams for connecting suspended ceiling spotlights to a 220 V network. Calculation of the required number of fixtures and the choice of their location on the ceiling ....
All types and types of socles for lighting lamps - marking rules and what are the differences
How is the marking of socles for lighting lamps. Features and application of the main types of lamp bases. Technical characteristics of popular types of socles.
How to dispose of fluorescent lamps?
Why is it important to recycle fluorescent lamps? Where to take the lamps and what is the cost of recycling fluorescent lamps. What to do if the lamp breaks at home?
How to replace a fluorescent lamp with an LED one?
Describe the benefits of converting a fluorescent lamp to LED. Options for replacing lamps with LEDs for electronic and electromagnetic ballasts.
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 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 throttle and a starter. What is EMPR and electronic ballast and in ...
Why is the LED lamp flashing?
Identification of the reason for the flashing of the LED light bulb when the light is on and off. How to remove the flickering of the 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 history of its invention was not simple and ...
What is a choke?
In AC circuits, chokes, that is, inductive reactances, are used to limit the load current. These devices provide significant...