How to determine the phase and zero: indicator screwdriver, multimeter, visually. Determination of phase and zero by a bipolar voltage indicator. What can not be done when determining the phase and zero. How to find the phase in the outlet.

Three-phase socket: what is it and what are its features. Connection diagram for three-phase outlets. Varieties of three-phase sockets. Requirements for installing and connecting three-phase outlets. Safety precautions when connecting.

How to ring the wires with a multimeter: sequence of actions and safety measures. How to check the voltage on the wire with a multimeter. How to detect a wire break with a multimeter.

Multi-tariff electricity meter: description, economic benefits and installation procedure. What is a multitariff electric energy meter. How much money can be saved when using multi-tariff electricity meters.

Triple socket: installation scheme in one socket. How to connect a triple internal outlet to a single wire without grounding. Features of installing a triple outlet in a concrete wall. Pros and cons of triple outlets.

Wire marking according to GOST: cross-section, decoding examples, colors. How is the cross section of the wire. How to read the digital and letter marking of electrical cables and wires. Features color coding.

Connection of current transformers to a three-phase meter: seven-wire connection diagram. How to connect current transformers to a three-phase meter. Why do we need a current transformer in front of the meter.

How to connect the outlet: connection methods, description of the installation process. How to connect the outlet to the wires. Features of connecting the outlet from another outlet. The height of the installation of outlets in the apartment.

Electric meter with remote reading: description and principle of operation. New energy meters on poles with remote reading: advantages and disadvantages. Why electricity meters are installed on poles.

Do-it-yourself installation of podrozetniki: features for walls of various materials. How to fix a sock to a concrete wall. Than they smear the mushrooms in a brick or wooden wall. Installation Technologies for Sockets

Junction box for electrical wiring: metal and external, dimensions. How to install a junction box for electrical wiring in an apartment. The internal structure of the junction box.