Do-it-yourself circuit breaker connection scheme from 2 places. Typical errors when installing walk-through switches. Features of connecting a through switch to two places on one or two bulbs.

Circuit breaker VA 47-29: design features and decoding of markings. Technical parameters of VA 47-29 circuit breakers. Scope of circuit breakers VA 47-29.

What is the difference between an RCD and a difavtomat: in terms of parameters and schemes. Difference of RCD from a differential automaton by functional purpose. Rated current marking and image on the device.

Three-pole socket with grounding contact: description and features. The principle of operation of three-pole sockets. Single and double pole options: distinctive features. Self-installation of a three-pole outlet.

Do-it-yourself wiring in a frame house: norms and schemes. How to conduct hidden and external wiring in a frame house. Features of electrical wiring in frame houses. Installation wiring procedure.

LED street lighting poles: features and varieties. LED street lamp with motion sensor: rules for mounting on a pole. Disadvantages and advantages of LED street lamps.

Copper wire: advantages and disadvantages, single and stranded, insulation. Design features and applications of copper wires and cables. How to determine the cross section for a stranded copper wire.

Surge protectors: why do you need home appliance protection. What is better surge protector or voltage regulator. Types of extension cords with fuses from jumps. How to choose a surge protector for home.

Grounding the bath: why is it necessary and features of bathtubs from different materials. How to ground a bathtub in an apartment if there is no grounding. How to make grounding in a bathroom with plastic pipes. How to choose materials for grounding.

Junction box with terminals: purpose and variety. Installation technique for a distribution box with terminal blocks. Exclusion of a junction box with terminals.

Allowed electric power in the apartment: kilowatt rate per apartment with electric stove. What will happen if you exceed the allowed capacity in the apartment. How to find out how much electric power is allocated to an apartment.