Cable handbook

Cable and Wire Handbook

We gathered the most frequently asked questions before making a purchase: how to choose the right cross-section, how much cable to buy, the difference between VVG and PVC, and the meaning of letters on the insulation. No general words — just tables, calculation examples, and links to relevant sections of the catalog.

Сечение кабеля по мощности и току

Tables for copper and aluminum plus a formula for calculating current. To avoid overpaying for extra millimeters and not to put a thin wire under a heavy load.

Current load per cross-section

How many amperes can a wire withstand in open and concealed installation, and why does a cable heat up more in a wall than in the air.

Cable consumption for an apartment and a house

How to estimate the square footage based on the number of sockets and light fixtures, how much to include as a reserve, and a calculator right on the page.

VVG, PVC, NYM, SHVVP: what to choose.

What is the difference between a power cable and a flexible cord, and which brand to choose for wiring, extension cords, or connecting equipment.

Cable marking decryption

What the letters and numbers on the cable sheath mean — from VVG and AVVG to ng-LS and SIP. Learn to read the marking without a reference guide at hand.

Need a specific cable? Check out каталог — There is a filter by brands and cross-section, availability, and wholesale prices.