How to choose a cable for wiring

Selection of wiring

This is a very important process which requires from you some knowledge. In order to properly select and install electrical wiring must take into account several factors, which will be discussed.

The total capacity of all the appliances

Fold the power of all the devices in your home and get the required amount.

Also, be sure to find out what the maximum power allowed in your network. In order to avoid further wiring replacement due to the fact that you have not considered any more the appliances, it is better to take into account all the nuances and do calculations with a reserve for the future.

Do not forget about the price. The thicker the cable core so it is more expensive. Eno is not in any way necessary to save on wiring, because if it will burn the hut that you have added the electrical repair costs will increase.

The choice of cable depends on the method of laying

Inside the wall or outside. For the inner liner take cable monolithic residential, such as SPAP or VVG. For outdoor installation - Flexible wires: PVA PUGNP, SHVVP. Flexible wires easier to be installed in cable channels or corrugations.

At the beginning decide on the coloring of the wire insulation of the cable, usually the three colors of yellow and green - earth, brown, red or white - phase, blue or black - zero. Colors may differ or even be the same in this case, simply select the desired color wires with electrical tape.

Do this if connect wires with different colors so as not to mix the compound with the phase and zero.

conductor Material

Aluminum wire is cheaper than copper, but have the drawback - the fragility and hence their installation is more laborious. Copper wires are more durable and flexible, they are safer and easier to install, but they are usually much more expensive.