Outdoor motion sensor: operating principle, proper installation and configuration of the device. How to choose the right street motion sensor to turn on the light. Scope of street motion sensors. Varieties of street sensors.

Branch box: protection classes, how to choose the right one for the home. Design features of branch boxes for concealed or open wiring. Installation procedure for branch box with cable entries.

Powerful LEDs: single and multi-chip, material, conductors and power. Lighting performance superbright LEDs. How the brightness of LEDs is measured. Scope of powerful LEDs.

Motion sensor to turn on the light: varieties and specifications. How to adjust the light sensor yourself. Tips of professionals: how to connect a motion sensor for lighting.

Two-tariff electricity meter: advantages and disadvantages, features. How to take readings from a two-tariff electricity meter. Functions and technical characteristics of two-tariff electric meters.

Repair of electricity meters: causes and types of malfunctions in the apartment. What to do if the electricity meter burns out. Why is the red light blinking on the electricity meter. Who needs to repair electricity meters.

Switch with motion sensor: operating principle, varieties and technical parameters. Schematic diagrams of mounting circuit breakers with motion sensors. Setting motion sensors in the switch.

AP-50 assault rifle: technical specifications and features of work in different modes. The device and principle of operation of the AP-50 circuit breaker. Current limitation class (cut-off speed) of the AP-50 machine.

PPE for an electrician: advantages and disadvantages, rules for installation and safety measures. How to choose PPE for fastening wires together. Is it legal to use PPE to connect wiring.

Tinned wires: technology, purpose, tools, options and instructions. Why trick electric wires. How to make tinning wires with your own hands at home.

Why isolate electric wires: is it possible with adhesive tape, a wire in the wall. The better to insulate the wires. How to properly insulate the wires with electrical tape. How to insulate a live wire. Thermal insulation tube for wires.