Devices

Structure of crowns A standard crown consists of the following elements: Shank. Fastening for inserting equipment into

What is a DRL lamp? The abbreviation DRL stands for “mercury arc lamp”. Sometimes there is an abbreviation

What is a pass-through switch? A pass-through switch is a device designed to turn on one light source

Starter in a gas-discharge lamp: purpose and device When connecting fluorescent lamps (LDL), use

Operating principle The motion sensor allows you to automatically control the switching of the electrical network. The operating principle of the detector assumes

Description The operating principle of electronic AC active energy watt-hour meters "Mercury 201" is based on

What is a pass-through switch and how does it work? This device would be most correctly called

When using a dimmer, rarely does anyone think about its structure and operating principle. However, small electronic

Selecting the size of a windmill You need to select the size of this installation based on the desired amount of electricity and

Device structure with two keys True to the name, the two-key device from the front looks like an electrical appliance, on