Different types of electrical wire joints pdf files

There are a few different types of wire joints, alongside various methods for holding wires together. Develop an understanding of the many different types of cable accessories understand how to apply the different technologies update your knowledge of the range of new technology in this field learn key standards and types of testing relating to cable joints and accessories substations courses specialist courses cables courses. These joints are designed for compression connection, mechanical connectors or soldering of cable conductors. Repeat steps 6 and 7 with the second switch, using the blue and brown wires. Commonly called romex, this wire has 23 conductors as well as a bare ground wire and its coated in plastic. In welding, the pieces to be joined are actually melted together. Wire must be properly joined or spliced in order that electricity will flow normally in the circuit. Feb 06, 2016 duplex cross joint this is a twotap wire turned simultaneously and is used where the two tap wire is under heavy tensile stress 10. There are a few different kinds of splices and joints in wire. The mechanical strength of joints shall conform to the requirements of ss 424 12 41 and ssen 50341. Pdf a new method for determining the connection resistance of. Take the 3inch green wire and repeat on the same switch, so the green wire crosses the red wire in an x pattern. Number, size and location of building expansion joints.

Joint wire definition is hollow wire that is used for joints as in a watchcase. Make sure all insulation is removed from the stripped area. In this video you will get the procedure for properly joint the electric wire. Electrical wires and cable have markings stamped or printed on their insulation or outer sheathing. Understand the different types of electrical currents and the proper current selection in using different welding electrodes. Types of wiring systems and methods of electrical wiring. Types of joints used in electrical wiring and installation there are following types of joint used in electrical installation. Depending upon on the types of splices, joints types of wire splices, joints and taps western union short tie.

The connection may be temporary, as for portable equipment, require a tool for assembly and removal, or serve as a permanent electrical joint between two wires or devices. Electrical installation handbook protection, control and. Solder, though, is the material that actually melts between the two solid pieces, forming a joint, of. Process controls for twopiece crimp rings and stubtype splicing devices. The next wire size larger than 40 has a cross section of 250 kcmil. The type used will depend on the type of installation and the wire size. Which is the largerdiameter wire size, 14 gauge or 8 gauge. Slip joint pliers can bend sheet metal, pull out nails, loosen or tighten nuts, cut wires and much more. Splicing wires can help reconnect circuits and fix the problem. Scarf joint straight twist joint this type of joint is used to joint two or more than two wires. In the north american electrical industry, conductors larger than 40 awg are generally identified by the area in thousands of circular mils kcmil, where 1 kcmil 0. The wire gauges are shown on the side of the tool so you know which slot to use for stripping insulation. An electrical connector, is an electromechanical device used to join electrical terminations and create an electrical circuit.

Repeat steps 6 and 7 with the third switch, using the white and black wires. Understanding circuit symbols and components is another one of the basic building blocks needed to become an electrician. Conduit is typically required where wiring is exposed or where it might be subject to damage. Knowing how to join electrical wires together is essential for both building and repairing circuits. Splices, wire joints, pconn wire connectors 230 ryan way. Make sure the insulation is cleancut with no frayed or ragged edges. It helps to understand a few basic terms used to describe wiring. Sep 07, 2018 if an electrical device is broken, theres a good chance it could be because of a problem with a wire. Wire splices and joints electrical connector scribd. See more of civil engineering discoveries on facebook. Some types of wire are supplied with a transparent layer between the conductor and the primary.

Electrical conduits fittings circuit breaker electrical connectors types and features. Wire nuts are used extensively for connecting insulated single. For students familiar with shotguns, the methodology of the wire gauge scale makes sense. Solder can seal the links of a tiny necklace chain or join giant pipes on a ship. All wire joints must also be taped with electrical tape after soldering.

Joint wire definition of joint wire by merriamwebster. The trace was not heated enough to let the solder wet and flow over the surface of the trace. May 24, 2017 in the power electrical business, there are 1 solder silver solder and tape. Proper tools and equipment are to be used for jointing the cable. A wide variety of 3 types cable joints options are available to you, such as conductor material, type, and application. Salient features of these joints are described in the following sections.

Used when the connection must be strong enough to support long lengths of heavy, wire. Electrical symbols terminals and connectors design. Jul 05, 2016 types of joints used in electrical wiring and installation there are following types of joint used in electrical installation. Not using the correct type of electrical joint can result in a useless circuit, at best, and a dangerous one, at worst. In the power electrical business, there are 1 solder silver solder and tape.

Identify the basic weld joints and demonstrate the application of each in the positions required, using ac and dc equipment. The western union splice connects two conductors together and is particularly useful in repairing a broken wire. The main types of joints employed for adhesive bonding are lap joint and the tongue and groove configuration which can be used for butt, corner or fillet joints. Figure 1 different types of soldering soldering is a common practice for assembling electrical components and wiring.

Basic electrical for wiring for house,wire types sizes. Funnel entry for easier wire insertion available in standard and high temperature designs rated up to 105c 221f for the standard design and 150c 302f for the high temperature design splices, wire joints, p conn wire connectors courtesy of steven engineering, inc. Romex is a common type of residential wiring that is categorized by the national electrical code nec as underground feeder uf or nonmetallic sheathed cable nm and nmc. Electrical connectors consist of plugs maleended and jacks femaleended.

Splices and joints the following are the common electrical wire splices and joints rat tail or pig tail this kind of joint is commonly used to join two or more conductors inside the junction box. Electrical wires approved for use in damp and wet locations. In the case of household wiring, the conductor itself is usually copper or aluminum or coppersheathed aluminum and is either a solid metal conductor or stranded wire. A wide variety of types of electrical joints options are available to you, such as crimp terminal, splice, and lug. It is suitable for service where there is no mechanical stress when wires are to be connected in an outlet box, switch, or conduit fitting ysplice. Objectives describe different methods of common wire splices and joints observe how the different methods of common wire splices and joints is being done. The wire was not heated enough and the solder did not wet the top. A conduit can be made of metal or plastic and may be rigid or flexible. Sep 07, 2018 knowing how to join electrical wires together is essential for both building and repairing circuits. Although it can be used for plumbing, sheet metal fabrication or automotive radiator repair the techniques and materials used are different to those used for electrical work. Learning about electrical wiring types, sizes, and.

The cast resin system provides the electrical insulation, mechanical protection and moisture imperviousness to the joint. A circular mil is the area of a wire one mil in diameter. Types of electrical wire joints engineering discoveries. Transitional details, such as a conduit passing from a floating floor to a rigid structure. Cleat wiring methods of electrical wiring systems w. The electrical installation handbook is a tool which is suitable for all those who are interested in electrical plants. The fundamental necessities of an effective splice include making sure the wires are securely fastened to each other even without solder and that they are wellsoldered to avoid corrosion. This is the most widely used splice or joint in interior wiring installation to extend the length of wire from one point to another. Basics of electrical engineering linkedin slideshare. When using any type of wire stripper, hold the wire perpendicular to the cutting. There are three main types of electrical joints, also known as splices.

The one thing that all good electronic joints have in common is that they create a gastight contact between the two wires, between the wires and any bridging material like solder, or between the wires and the terminal material. When working with electricity, remember to stay safe. In this type wire copper conductor coated is with magnesium oxide. If the splice is to be taped,care should be taken to eliminate any sharp edges from the. These pliers have an adjustable pivot point called, naturally enough, the slip joint. Training the apprentice if ever there seemed to be a catchall phrase in the world of hand tools, pliers might fit that bill. 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. Solder, though, is the material that actually melts between the two solid pieces, forming a joint, of which there are several different kinds. For just about everyone else, the gauge scale seems backward. Refer to the operators manual for safe operating procedures for the compressed airnitrogen heating tool.

What different types of raceways or conduits are there. Different types of bad solder joints a bad soldering of terminal wire. The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets the wire stripper will work on both solid and stranded wire. Panduit panterm jn314412c insulated wire joint, 600 vac, 14 to 12 awg wire, 0. Aug 21, 2016 the one thing that all good electronic joints have in common is that they create a gastight contact between the two wires, between the wires and any bridging material like solder, or between the wires and the terminal material. What are the different electrical joints and splices. This category of wire is typically used as the permanent wiring in. An electrical wire is a type of conductor, which is a material that conducts electricity. Splices and joints ppt electrical wiring wire scribd. Nm and nmc conductors are composed of two or more insulated conductors contained in a nonmetallic sheath. Different types of joints britannia joint straight joint tee joint western union joint 1. In the early days of electrical wiring, wires used to be insulated with cotton.

All about outdoor lighting, receptacles, and wiring safety. Common wire splices and joints wire electrical wiring. When you need to grip, position, twist, cut, tighten or loosen various things, pliers can cover a pretty broad range of applications. Aug 27, 2019 the term electrical conduit refers to durable tubing or other types of enclosure used to protect and provide a route for individual electrical wiring conductors. Successfully performing electrical work requires the ability to read and interpret many different types of drawings and diagrams. Electrical wire is often rated according to its crosssectional diameter by a gauge scale. Pdf the compression connector of a cable joint is one of the major. The western union splice, the tap splice and the fixture splice. When using any type of wire stripper, hold the wire perpendicular to the cutting blades. Joints, splices, and taps joint the tying together of two single wire conductors so that the union will be good both mechanically and electrically tap the connection of the end of one wire to some point along the run of another wire. We can supply you with the right sizes, types, and quantities of product you need to keep you on schedule and your management happy. Most connectors operate on the same principle, that of gripping or pressing the conductors together. Wiring a process of connecting various accessories for distribution of electrical energy from suppliers meter board to home appliances such as lamps, fans and other domestic appliances is known as electrical wiring can be done using two methods which are.

Electrician circuit drawings and wiring diagrams youth explore trades skills 3 pictorial diagram. If the splices are directly opposite each other, the overall size of the joint. About 3% of these are terminals, 43% are connectors, and 0% are power cables. What is electrical wiring different types of electrical wiring systems. Transition refers to a joint involving cables of different insulation types. Rat tail or pig tail this kind of joint is commonly used to join two or more conductors inside the. The following are the common electrical wire splices and joints. Lv joints and terminations various types of accessories in use by uk utilities and industry supply and installations stress control electric stress control areas of terminations areas of joints day two medium voltage terminations types of termination critical components in a termination screened separable connectors applications.