The designs of the first lighting devices were quite primitive. They consisted of two electrodes, between which
Manufacturers of cable products produce many certified products, which are mainly classified according to their intended purpose.
A modern person cannot imagine his life without a mobile phone, tablet, laptop, portable drill,
When operating household networks, switching switches are used to connect electrical appliances and room lighting
Requirements for grounding electrical installations up to 1000V are given in section 1.7 PUE 7 (Rules for installation
Each of the existing electrical appliances, power tools, as well as electrical equipment and electrical installations pose a certain danger to humans.
When choosing an educational institution for training in electrician courses, you need to pay attention to several
To select the cross-section of power cables and wires when laying electrical networks of consumers, you need to know
Scope of application of switches and switches From all of the above, it is clear that such devices are intended for
PRIMARY SECONDARY UNINTERRUPTED Power supplies are devices that provide electric current to electrical appliances, devices and
