The following are the common electrical wire splices and joints. Aug 29, 2012 the four types of splices and joints are the western union splice, tap splice or tap joint, fixture splices or fixture joints, and rattail joint. For that reason, most cables are named after their metallic shield e. Crimp the barrel twice on each end for an extratight grip in highvibration applications. 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. The soldering can act as an extra securing method and also prevents corrosion in the joint. When working with electronic equipment or with electrical wiring, it may from time to time become necessary to splice or join wires together. 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.
Generally the minimum body length is equal to ten 10 times the sling body diameter. Mseal kastex joints are available in the following types. From standard solutions to custom designs, we offer reliable, costeffective products for mechanical, electrical, digital, analog, miniature, and harsh. This is the most widely used splice or joint in interior wiring installation to extend the length of wire from one point to another. Hold the wires together and then twist them a few times with a pair of pliers. If the splice is to be taped,care should be taken to eliminate any sharp edges from the. The common types of wire splices are the western union splice, tap splice, staggered splice, fixture splice and rattail joint splice. Wire taps,joint and splice by lovenres enanoria on prezi. 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. In a single step, they solder, insulate, encapsulate, and strainrelieve a wide range of wire sizes.
Electrical wire splices and joints ppt xpowerpoint. The half lap splice joint is the simplest form of the splice joint and is commonly used to join structural members where either great strength is not required or reinforcement, such as mechanical fasteners, are to be used the joint is cut as for a half lap. Depending upon on the types of splices, joints types of wire splices, joints and taps western union short tie. The western union splice works best to splice together small, solid conductors. This joint requires five inches of insulation stripped off the wire. Today we will discuss about the different common electrical wire splices and joints. In addition, the nec and other electrical codes specify lots of precise details. When there is no strain, the knot may be eliminated. If the label says 123, this is a threeconductor, 12gauge cable with a bare copper ground wire included. The branch wire is then wrapped around the main conductor in short. Match the electrical wire splices and joint in column a with their descriptions in column b write the letter of your answer in the space provided. Two blocks of hardwood are screwed on the base board at a suitable.
Sep, 2009 what are the kind of electrical splices and electrical joints plain wire soldered. Cold shrink offers a universal fit for cable joints that can be customized for your application. Displaying electrical wire splices and joints powerpoint presentations 1910 electric11. These splices can withstand higher temperatures than insulated splices. Jun 21, 2011 however, if you meant wire as in conductor used for electrics then there are other choices.
Medium voltage joints various types of accessories in use by uk utilities and industry termination failure mechanisms considerations of poor installation, poor materials, environment joint failure mechanisms cable vs joints and terminations examples and causes of early life failure prevention of failures. Butt joints may be cramped up, if desired, and it is customary to warm them as previously stated. Like all raychem intercon nect products, the wireto wire splicing devices are rugged and reliable, yet easy to install. Pdf common wire splices and joints gadgets pro academia. Twiston connectors come in different colorcoded sizes, and you must choose the proper twiston connector, depending on the thickness gauge of. Fixture splices, or fixture joints, are used to connect wires of different sizes.
Splices are used to connect two wires for the purpose of carrying either electrical current or a network signal. Western union shorttie splice this is the most widely used splice in interior wiring installation. The four types of splices and joints are the western union splice, tap splice or tap joint, fixture splices or fixture joints, and rattail joint. Splices, wire joints, pconn wire connectors 230 ryan way. Wire splices and joints electrical connector scribd. The western union splice connects two conductors together and is particularly useful in repairing a broken wire. It comes in several varieties to suit the needs of the user. As a result, shield type cable identification becomes important information to know when selecting products for splicing and terminating. Designed for applications with temperatures up to in this section include. Types of taps, splices and joints of conductor rat tail joints are used to join conductors in outlet boxes or when fixture leads are connected through conductors. Common splices and joints in electricity and its procedure. Cut both ends of wire so that they are the same length, and then.
You may copy it, give it away or reuse it under the terms of the project gutenberg license included with this ebook or online at. Department of labor for safety and health training. Splices definition of splices by the free dictionary. Fax 8002450329 3 splices glossary of splicing terms glossary of splicing terms splice a splice may be considered as two or more conductors joined with a suitable connectorreinsulated, reshielded. 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 y splice. Taps, splices and joints electrical motor control wirings. Sep 07, 2018 there are a variety of kinds of splices and joints in wire. Short description of rat tail or pig tail, plain tap joint, y splice, westernunion short tie, westernunion long tie, knotted tap joint and cross joint and their procedures.
The wire nut is a device commonly used to replace the rattail joint splice. Minimum sling body length is the minimum length of wire rope between splices, sleeves or fittings. We offer a wide array of products with applications across many industries. Strength of nailed joints the strength, stability, and life of a structure or parts of a structure are. The project gutenberg ebook of woodwork joints, by william fairham this ebook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. The wire nut is housed in plastic insulating material. The joints are made by skinning about 2 inches, the end of the conductor is to be joined. Splices in electrical wire that carries electrical current in a building such as for lights or electrical outlets must be completed using an approved mechanical connector and must be enclosed in an approved junction box which itself is secured to the structure.
The most common among the four wire splices is the. Study 15 terms common wire splices flashcards quizlet. If you dont knot and just twist, this is a regular tap splice. The 3m product line covers splicing needs from 0600v v to 46 kv applications. Visually confirm your connection through the inspection window in the insulation of these.
To make the western union splice, first remove about five inches of insulation from both wires and cross the exposed wires. The common ones are swaging or crimping using ferrules sleeves either inline or as end fittings, cable clamps or clips, spelter sockets, soldered joints electrics only, screwed clamps, wedge sockets, flemish eye splice, hand splice. High voltage joints and splices, 69 kv145 kv for highvoltage applications ranging from 69 kv to 145 kv class, 3m offers cold shrink cable joints and splices. Objectives describe different methods of common wire splices and joints observe how the different methods of common wire splices and joints is being done. In the absence of the usual iron cramp, the amateur may make an excellent wooden arrangement out of any odd pieces of timber that happen to be handy. Wire nut and split bolt splices the wire nut view a of figure 210 is a device commonly used to replace the rattail joint splice.
The two wires are trimmed of insulation, then each is wrapped around the other around six times. A wide variety of types of wire splices and joints options are available to you, such as splice, lug, and crimp terminal. However, if you meant wire as in conductor used for electrics then there are other choices. Common wire splices and joints wire electrical wiring.
These include three main types of wire splices, soldering and other devices, such as wire nuts, screw terminals and crimp connectors. Sep 07, 2018 wires form the foundation of a circuit and joining them together is an essential part of making a circuit work. If you are referring to wire ropes then there are quite a few types of splice and joint that can be used. A good wire splice or joint will be secure even before soldering. This is a two tap wire turned simultaneously and is used where the two tapped wire are under heavy tensile stress. Splices in an buildings electrical circuit must be connected using an approved wiring connector, such as a twiston connector wire nut is a trademarked name for a brand of twiston connectors. Environmental education resources to commemorate earth days 50th anniversary. Splices and joints in solid wire should also be covered with electrical tape for safety. Breach joint pot end tee joint riser earth continuity connection c. Wires form the foundation of a circuit and joining them together is an essential part of making a circuit work. Jan 30, 2017 types of taps, splices and joints of conductor rat tail joints are used to join conductors in outlet boxes or when fixture leads are connected through conductors. This wire count does not, however, include the noninsulated wire that is used as a ground wire.
Duplex cross joint this is a twotap wire turned simultaneously and is used where the two tap wire is under heavy tensile stress 10. Electrical wire and cable conductor types the spruce. Method of skinning electrical wire removing the insulation in preparing the insulated conductors for making joints or splices, the insulation must first be removed from each conductor a proper distance depending upon the type of joint or splice to be made. Used when the connection must be strong enough to support long lengths of heavy, wire. Raychem nylon crimp splices are easy to use in factory or repair applications. Common electrical wire splices and joints basics about. In this video you will get the procedure for properly joint the electric wire. Take the connecting wire and tie it in a knot onto the running wire to create a knotted tap splice. These include three main types of wire splices, soldering and other devices, such. This kind of joint is commonly used to join two or more conductors inside the junction box.
This allows approximately one and one half 1 12 rope lays between splices. Remote work advice from the largest allremote company. The western union splice, the tap splice and the fixture splice. 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. Extension cord an extension cord is a span of flexible electrical power cable with a plug on one end and multiple sockets on the other end. A y splice joint, also known as a tap splice, connects a conductor to a running wire.
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