How is lightning protection verification of buildings and structures performed. The methodology of the work, the necessary devices and the timing of testing lightning protection systems

How is burning the insulation of the power cable and what is it for. Installations for burning cable lines. Video example work.

How is metal communication measured in electrical installations? Devices with which the test is performed, as well as permissible resistance values.

Find out how transformer oil is tested. An overview of the main types of tests, as well as methods for analyzing the physical and electrical properties of oil.

Method for measuring cable insulation resistance. Frequency of measurements. How to measure the insulation resistance of a cable line and who should do it.

What is fire retardant coating of cables for? What types of fire protection of cable lines exist. The procedure for processing cables with flame retardant.

Search for cable damage in the ground, concrete wall, under drywall. How to find cable damage by loop, acoustic, induction and other methods.

Overview of cable test methods for overvoltage. The frequency of testing. Sample protocol for testing cable lines with high voltage.

Why do I need to measure the phase-zero loop. An overview of the methods and instruments with which to measure. Sample protocol filling.