Proper maintenance and use of any device, including cable, will increase its lifespan. In this regard, it is appropriate to pay attention to the following important points about how to use the cable. :
- Plastic cable(PVC) Should not be in the winter ( When the temperature is less than zero) Cabling. If cabling is required in such cases, the cable pulley should be preheated in a room or warehouse and then used immediately..
- If the cable is laid in the soil, a pit should be dug to a depth of 70 cm and a little soft soil should be poured into it. After laying the cable, 20 cm of soft soil should be poured on the cable and bricks should be placed on it. To be filled.
- When installing the cable, the bending radius of the cable should not be less than 12-12 times its outer diameter.
Types of cables in terms of application
Cables used in the building: In the internal construction of these cables, copper conductor and P.V.C insulation and sheath are often used.
Ground cables: For cabling inside the soil, a cable with copper conductor and P.E.T insulation and sheath is often used, which is reinforced with wire with steel tape if needed..
Overhead cables: Aerial cables with steel restraint wires in places where it is necessary to hang the cable on power poles. Aerial cables in the form of (۸) Used. In these cables, a galvanized steel wire is placed parallel to the cable and a sheath of polyethylene material is pulled on them.. (The above cable is installed by special clamps to the beams).
Types of cables And its application in terms of interior construction
Protodor cable: This type of cable is used in transmission and distribution of electricity to factories and networks up to one kilovolt..
Paper insulated cable :It is used in buildings and networks and..
Plastic insulated cable : It is used in tensions and is no longer produced and used.
Cable with lead sheath (Paper cable with lead sheath) : It is used in gas stations and oil storage areas and refineries.
Cable with aluminum cover : It is used to transfer energy to the earth.
Offshore cable : As the name implies, this cable, which is a kind of protodor, is often used to transmit electricity up to 10 kV from rivers and seas..
Connect the cable to the circuit
A cable shoe or cable washer is used to connect the cable to the circuit. There are three types of cable washing : Percy, solder, screw
Cable washers look similar to original plugs and terminals, which are often soldered to the cable to get a solid connection..
Types of cable connections
- End connection
- End-to-end connection
- Tee connection
- Y connection
- Four way connection
The joint and its types
In order to connect the cables in long routes, as well as at the branches and ends of the lines, other devices such as joint and cable are used, which are able to protect the joint against moisture, mechanical pressures and electrical factors..How to use the cable
Joints and cables are often made of cast iron, steel or insulating materials (PVC) are marked with a special sign.
Some of the joints are as follows:
- Detailed V.S : کاربرد آن در مورد کابل های مسلح است و جنس آن از چدن و در فرم های VS8 تا VS64ساخته می شود.
- مفصل PV : کاربرد آن برای انشعاب کابل های پروتودور و در جایی می باشد که نیاز به مفصل چدنی یا فولادی ندارد باشد. (بیشتر در محل اتصالات کوچک) و اغلب در فرم های PV1 تا PV8 ساخته می شود.
