Ppt cable testing powerpoint presentation free new cables received from flexible technologies ltd. Nov 27, 2014 the types of cables basically decided based on the voltage level for which it is manufactured and material used for the insulation such as paper,cotton,rubber etc. As the description implies, a solid cable uses a single piece of copper for the electrical conductor within each wire of the cable whilst stranded wire uses a series of copper strands. We can supply you with the right sizes, types, and quantities of product you need to keep you on schedule and your management happy. For just about everyone else, the gauge scale seems backward.
Metallic sheath cables or wires that are continually subjected to water must be protected by a watertight cover. Types of electrical cables there are various types of cables, including twisted pair cable, coaxial cable. We can supply you with the right sizes, types, and quantities of product you need to keep you on schedule and your. Underground cables are usually employed to deliver 3 phase power. Power cables an assembly of two or more electrical conductors, usually held together with an overall sheath. This free template for technology presentations contains color wires and cables and. Electrical wire is often rated according to its crosssectional diameter by a gauge scale.
The type of cable selected for a network depends on the networks size, topology, and procedure. Manufacturers typically applied special distinguishing marks to their crossover cables for this reason. Today, however, much of electrical wiring is done with multiconductor cables because of their convenience of use. There are several different types of cables ranging from cables used in construction and the erection of suspended bridges to those that can transmit electricity and other telecommunication signals. Wires and cables sector basically consists of two areas. Different home wiring types explained happy hiller. Havells cables and wires manufacturing plant video 2015 duration.
Modern ethernet cables use utp wiring due to its lower cost, while stp cabling can be found in other types of networks such as fiber distributed data interface fddi. Wires form the foundation of a circuit and joining them together is an essential part of making a circuit work. Conduit is largediameter metal tubing used as pathways for electrical wires and cables. Twinlead this type of cable is a flat twowire line.
There are many types of wire to choose from for a given application. The national electrical code nec and local building codes regulate the manner of installation and the types of wires and cables for various electrical. What are the different types of flexible cable authorstream. Copper cables and co axial tv cables are some of the different options and each one offers its unique set of benefits.
The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable will be. Types of cables3 free download as powerpoint presentation. There are several different types of cables ranging from cables used in construction and the erection of suspended bridges to those that can transmit electricity and other telecommunication. The types of cables basically decided based on the voltage level for which it is manufactured and material used for the. Rs232 cables are often available along with other types. Aug 16, 2018 the following tests are type test of electrical power cable. Cables are classified according to the number of wires it contains and their size or gauge. Ppt electrical cables powerpoint presentation free to. Triplex wires are usually used in singlephase service drop conductors, between the power pole and weather heads. There are two different types of cables that are commonly used. There are different types of cable in networking that are used for different purposes and medium.
In electrical engineering cables are used to carry electric currents. The wires are colorcoded to guard against connection errors. The greater the number of pairs, the higher the resistance of the cable will be to. Construction and building wireencompasses a wide variety of 300 and 600volt wire and cable. All cables are marked with a series of letters followed by a number, a dash, and another number. In this type of wire the conductor is not tinned and the conductor is covered with three braids of fibrous yarn and saturated with water proof compound. Which is the largerdiameter wire size, 14 gauge or 8 gauge. This type of wire have larger crosssectional area than solid wires for the same current carrying capacity. As with all wires and cables, the type of protection needed will depend on the environment where the wire or cable will be used. The various types of network cables act as the backbone of the network infrastructure. Wire and cable basic components and technical notation. Apr 02, 2020 the wires are colorcoded to guard against connection errors.
Cables contd an optical cable contains one or more optical fibers in. Variants of the original part number may be required ie colour, stranding or insulation type, b. Types of cables learn to be an electrician duration. The letters indicate the type of insulation cord, wire, and insulation. Theres a solid type and then there are the stranded type. Know about wires and cables types there are several types of wires and cables available in the market.
Learning about electrical wiring types, sizes, and. These wires are assembled together with a single jacket. Two kinds of type nm cable, described above, which are the common choices for interior installations. Wires and cables powerpoint template is a free wires powerpoint template background for presentations. There are different types of flexible cables, meant for use in different applications and industries. If the label says 123, this is a threeconductor, 12gauge cable with a bare copper ground wire included. Flexible cables used in the electrical system of a mine fall into two main categories trailing cables and pliable wire armour cables. Ppt underground cables powerpoint presentation free to. A wire is a single, usually cylindrical, flexible strand or rod of metal. Possibly the most widely used cable these days is for ethernet style applications and the cat 5 or cat 5e formats are easily available at very.
Single phase transformer ppt part 2 study junction. Whats the basic difference between wires and cables. Conductors are the only power carrying path in a power cable. These markings provide important information about the wiring and insulation, including the wire size and. Electrical wires and cable have markings stamped or printed on their insulation or outer sheathing. A twisted pair electrical cable consists of pairs of insulated copper wires that are color coded, which are twisted around each other. Sep 07, 2018 wires form the foundation of a circuit and joining them together is an essential part of making a circuit work. Learning about electrical wiring types, sizes, and installation. Learn the basics of electrical wiring for the home, including wire and cable types, wire color codes and labeling, and essential wiring. A given wire gauge of stranded wire consists of smaller wires braided together, such as this. For higher voltages, 3 cored constructions become too bulky, and hence, even with some limitations we employ single cored cables.
For instance, if the cable lists 122 wg, it means there are two insulated 12gauge wires a black and a white wire, plus a ground wire. Two primary types of twisted pair cable industry standards have been defined. Both cables are a heavyduty construction, can withstand frequent flexing and carry a voltage rating of up to 2 kv. Testing of electrical power cable type test acceptance. A fiberoptic cable, also known as an opticalfiber cable, is an assembly similar to an electrical cable, but containing one or more optical fibers that are used to carry light. Commonly called romex, this wire has 23 conductors as well as a bare ground wire and its coated in. Nonmetallicsheathed cable has two or more insulated conductors and usually a bare ground wire. Copper cables and co axial tv cables are some of the different. Type nm cable, as it is often referred to, is sold in precut lengths like 50, 100, 250, and 1,000 spools. Apr 27, 2020 there is an international standard for the types of wires and cables used in electrical wiring systems. These markings provide important information about the wiring and insulation, including the wire size and material, the type of insulation, the number of wires contained inside a cable, and any special ratings or characteristics of the wire. Beyond that, insulation required for the cable is too much. Power cables are pvc or pe clad, while the cables for telecommunication sector are based on pe polyethylene.
For example, color coating is employed to help identify wires for safety, installation, and repair purposes. Other military specification wire types should be investigated. A further difference within the ethernet cables whether cat 5, cat 5e, cat 6, cat 6e, or cat 7 can be whether solid or stranded wires are used within the cable. Mainly in the cable industry, we use copper atc, abc and aluminum conductors for power. Neutral wires are white or gray, grounding wires are green, and hot wires are any other color. Electrical wire and cable conductor types the spruce. Persulphate test for copper annealing test for copper tensile test for aluminium wrapping test for aluminium conductor resistance test for all test for thickness of insulation for all measurement of overall diameter where specifiedfor all physical tests for for. But, some of the wires are coated with thin pvc layer. The assembly is used for transmission of electrical power. This enables electricians and laymen to know what kind of wires comprise an electrical system. These cables can be used for many of the computer network style connections. The basic key difference between wires and cables is that a wire is a single conductor whereas a cable is a group of conductors. This free template for technology presentations contains color wires and cables and can be used for communications or presentations on networking cables for electricity or communication networks.
In these cables each core is insulated with impregnated paper and provided with seperate lead sheaths. Nov 04, 2019 mainly above 6 square mm cables are called power cables but it depends upon the use of a cable. Different types of cable in networking snabay networking. Types of wire and cable cuts as well as crimpon termination options including quick disconnect, ring, fork and ferules. Feb 06, 2018 electrical wires types for home is explain in this video. Persulphate test for copper annealing test for copper tensile test for aluminium wrapping test for aluminium conductor. A cable, on the other hand, is the combination of two or more wires. Although, these conductors are made of a common material copper or aluminium. Possibly the most widely used cable these days is for ethernet style applications and the cat 5 or cat 5e formats are easily available at very competitive process. Twisted pair consists of two interwound insulated wires. Wires are used to bear mechanical loads or electricity and telecommunications signals. Externally, ethernet crossover cables appear identical to ordinary cables sometimes called straightthrough, the only visible difference being the order of the colorcoded wires appearing on the cable s.
They are composed of two insulated aluminum wires wrapped with a third bare wire which is used as a common neutral. The electrical wiring system in most homes is created with nonmetallic sheathed wire nm. The different types of plastic wires are type t, which is the most ordinary type of plastic insulated wire, type tw, which is used only in dry locations. Although, these conductors are made of a common material copper or. The following tests are type test of electrical power cable. Network cable types and specifications learn the specifications, standards, and features of the coaxial cable, twistedpair cable, and the fiberoptical cable. Cables are color coded to tell you about the size of the wires inside the cable. The types of cables basically decided based on the voltage level for which it is manufactured and material used for the insulation such as paper,cotton,rubber etc. Construction and building wireencompasses a wide variety of 300 and 600volt wire and cable including ul types thw, thw2, thwn, thwn2, thhn, tffn. Cables are used for a wide range of purposes, and each must be tailored for that purpose. Network cable acts like a medium through which information travels from one network device to the other. For students familiar with shotguns, the methodology of the wire gauge scale makes sense. Electrical wires types for home is explain in this video.
Networking cables are used to connect two or more devices such as a computer, printer, scanner, etc. If the label says 123, this is a threeconductor, 12gauge cable with a. Oct 08, 20 weve separated the guide into two sections. Nov 11, 2019 externally, ethernet crossover cables appear identical to ordinary cables sometimes called straightthrough, the only visible difference being the order of the colorcoded wires appearing on the cable s end connector.
Power cables are defined by voltage grade and nominal crosssectional area. These include three main types of wire splices, soldering and other devices, such as wire nuts, screw terminals and crimp connectors. The majority of modern trailing cables have five coresthree power cores for the three phase a. The final gauge size of the wire is determined by the overall diameter of the wire. Wire types and sizes basic electricity pdf version.