To improve the comfort of operation of lighting devices used bushing switchesWhich allow you to control ambient light from two or more locations. Sometimes it is not only a convenience, but a necessity.Most often, the flow switch wiring diagram with 2 beds used in the following areas, namely:entr...

Residents of apartment buildings used to the fact that their housing is supplied with the voltage of 220 V, which requires only one phase, neutral and, most of all, the earth. But in the private sector is considered to be more common three-phase system, which is supplied by 380 V. In addition to ...

Electromagnetic fields can cause irreparable harm to human health, and transmission line protection zone exists to protect against this negative impact. Rules for posting and finding in this zone registered a high price, because the study of physicians and scientists have given unequivocal result...

In the private sector, particularly if the power wiring was done by an inexperienced specialists, such a problem often occurs in which the voltage on one phase is much lower than indicators on the other. As a result, it begins to break down and the equipment to be 380 V, and household appliances ...

To protect electrical appliances, extending their service life, it is necessary to purchase a stabilizer. Before you visit the store in search of the necessary model, you need to know the purpose and principle of operation of the device.Content:FeaturesTypes, advantages and characteristics of the...

Familiar bulb - an indispensable element of domestic comfort. Despite the prevalence and daily use, its functionality and the device raises a number of questions unanswered on which the correct selection is possible.Content:As the lamp lighting workTypes and CharacteristicsBenefitsdisadvantagesHo...

Content:Types of voltage stabilizersPrinciple of operationHow to choose a voltage regulatorFaults and repairsmanufacturers stabilizersTypes of voltage stabilizersStabilizer voltage - it is a device for the derivation of which it is possible to take high quality electrical energy (with stable para...

Electric extension cable allows you to connect to the network devices located away from the outlets. Inexperienced user in selecting always focused exclusively on the length of cable, and sometimes - in the number of plug-in sockets. This approach is correct only if you really want to connect low...

Content:an uninterruptible power supply deviceTypes and Characteristics of uninterruptible power suppliesFunction and protectionAdvantages and disadvantagesHow to choose the Uninterruptible Power SupplyExploitationGuaranteemalfunctionsManufacturers of uninterruptible power suppliesan uninterrupti...

at startup kettle, washing machine or TV few people think about the inconspicuous design that ensures operation of the equipment.Socket - an indispensable element of the room and comfort of the hosts largely depends on how it corresponds to the available power and performance of domestic equipmen...