Virtually all modern electrical appliances are of sufficient length of the cable - for their easy connection to the network. However, some devices require an additional conductor. Then a suitable flexible extension needed for maximum practical use under appropriate conditions.
- This is due to a limited number of outlets in the standard apartments, especially in the secondary market.
- The fact that these "squares" were built at a time when electrical equipment was at times less than that of today's users.
- A large number of computers, TV sets, are often placed in every room, as well as heating and water heating Devices make the residents think - what Extension wise to choose and buy for safe operation.
Varieties of extension wires
All the expensive equipment in the first place needs a continuous supply of electricity. And when you consider the frequency with which standard apartments The power supply is turned off, it is important to acquire more and surge protectors, "bespereboynik" - for the safety of PCs, refrigerators and other expensive items. Quality extension cords are no less important - on this later in more detail.
device features
Due to the fact that many potential buyers are poorly versed in the types / features of these devices, they can get confused by the diversity represented in the stores models. In order not to overpay, but to purchase the necessary flexible extender, it is better to consult with the seller, realizing this product.
- Professional models on a massive coil is not suitable for normal use, and their price is impressive. Rather, they are needed for product repair / construction work - for the power supply powerful electrical (potential cable capacity up to 3.7 x 10 W). Their distinctive feature - the presence of the reinforced wire, moisture / dust protection, the number / type connectors, as well as veins radius is 0.5 cm.
- Household models appear less impressive (+ simple socket unit with one / several sockets and wire) and are designed for easy use by users. The length is often no more than ten meters, and the veins radius - 0.15 cm.
subsidiary protection
If the consumer varies, not knowing what to choose an extension cord, it is best to take one that has a ground. It's safer in the home model, which saves on weight of potential problems. Especially recommended to use with extenders such protection to refrigerators, water heaters, washing / drying devices etc.
Furthermore grounding, there is still an additional protection method when the wires have double insulation coating.
mounting Features
Here refers to stationary or portable models. The latter are more comfortable - they are light weight, standard plug socket / socket, they are easy to connect in a more appropriate at a given time field.
Fixed variations are fixed at a certain predetermined location and do not move (Wall connection or additional ceiling lighting, televisions, etc.).
Portable extension cords may not be in one piece and with a threaded body. It is very convenient for repair / maintenance of the device.
Besides the aforementioned differences, the extension may have a common or individual, calculated per-socket outlet, switch, protective caps, as well as varying cable length. Some users also important to have a USB-connector (such as the picture below), and some other characteristics.