Extension relates to those simple things, we can't imagine a modern flat nowadays. Except from such obvious pameter as wire length, when choosing an extension you should pay attention to the number of cores and the square of their section.
features and application
Key features and sphere of products application
Types of extensions
Double-cored are used for plugging single fse equipment without housing. Triple-cored - for equipment, which requires compulsory housing wire.
You should pay attention to the construction. In some cases it is convenient to use elecrical extensions on a coil. If necessary, the required amount of wire is unwound, and the rest doesn't get underfoot and doesn't distirb work.
Extension relates to those simple things, we can't imagine a modern flat nowadays.
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