Terminals splices electrical installation hardware. Primary electrical insulation for all wire and cable splices rated up to 600v and 105c 220f. The readymade jointing kits make for fast, reliable system upgrades and new cable installations, and have been factorydesigned and independently tested to ieee 404 performance standards to ensure long service life. The butt splices youll need depend on the wire size, single or multiwire stranding, wiring material and installation factors.
Kinds of splices and joints huwebes, marso 5, 2015. Wire splices and general installation requirements home. Common electrical wire splices and joints basics about electrical. Splicing wires can help reconnect circuits and fix the problem. The cast resin system provides the electrical insulation, mechanical protection and moisture imperviousness to. Structurally, in wood, there are fingerjoints code allowed good only for compression.
The new wire is actually extended to the point where the intended outlet should be. Jan 02, 2009 there are scarf joints, butt joints, dowelled butt joints, lap joints, half lap joints, rabbit joints, miter joints, dovetail joints, blind dovetail joints, finger joints, box joints, and finally mortise and tenon joints. It can also be branched off from other outlets as well. Splices definition of splices by the free dictionary. Guest208737 some are rat tail,pig tail,terminating fixture joint,under writer joint, duplex wire,cross joint,tee joint,multiple wrapped joint,ordinary wrapped joint,spit wrapped joint,brittania splice,scarfed splice,through fixture joint,western union longtie,western union shorttie,double tap joint. The casting resin is polyurethane based which has complete compatibility with the cable components. This module is an exploratory course which leads you to electrical installation and maintenance 1national certificate level ii nc ii. Rat tail or pig tail this kind of joint is commonly used to join two or more conductors inside the junction box. The splice joint is used when the material being joined is not available in the length required. The quick answer is you dont use electrical tape for making a splice. Butt splice connectors electrical terminals butt splice. Mseal kastex joints and terminations for lv cables are based on a cast resin system. A splice joint is a method of joining two members end to end in woodworking. 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.
Electrical conductors a conductor is an object or type of material which permits the flow of electric charges in one or more directions. Common splices and joints in electricity and its procedure. Some homeowner is going to see this and think its fine to splice their wires with just some tape probably buried, of course. Splices, wire joints, pconn wire connectors 230 ryan way. 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. 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. Dec 07, 2007 there are all manner of joints and splices used in wood, furniture making. May 24, 2017 in the power electrical business, there are 1 solder silver solder and tape. Figure 26 shows how a twoconductor cable is joined to a similar size cable by using a western union splice and by.
Remote work advice from the largest allremote company. Wire taps,joint and splice by lovenres enanoria on prezi. Use wire nuts according to manufacturers recommendations about the number and size of wires that the wire nut can accommodate. 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. Splices, wire joints, p conn wire connectors courtesy of steven engineering, inc. Common wire splices and joints wire electrical wiring. It is very versatile and comprehensive because it can depict very simple dc circuits, or a very complicated threephase system. Joints and splices there are many kinds of splices and joints used in the different branches of woodwork, a few of which are here given. You can also choose from direct buried, data center, and aerial types splices and joints, as well as from 24. When working with electronic equipment or with electrical wiring, it may from time to time become necessary to splice or join wires together. 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.
Size colour 19mm x 20m black pvc insulating tape electrical tapes 3m offer a range of over 30 electrical tapes and mastics for insulation, jointing, corrosion protection, all weather protection and environmental sealing tapes. Taps, splices and joints electrical motor control wirings. For example, a wire is an electrical conductor that can carry electricity along its length. It is an alternative to other joints such as the butt joint and the scarf joint. There are scarf joints, butt joints, dowelled butt joints, lap joints, half lap joints, rabbit joints, miter joints, dovetail joints, blind dovetail joints, finger joints, box joints, and finally mortise and tenon. It covers 5 common competencies that a grade 7 grade 8 technology and livelihood education tle student. A splice is the joining of two or more conductors together in a manner that results in a permanent electrical termination and mechanical bond, and may be.
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. Download as docx, pdf, txt or read online from scribd. This category also covers thermoplastic tape intended for use as the sole insulation and covering of joints and splices in. 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. What are the different kinds of electrical splices and. Reduce the time, labor and cost that comes with electrical cable splicing.
Medium voltage splices registration electric supply. The proper way of making safe, secure splices is to make a good mechanical and electrical jointthat is, strong enough. Types of electrical wire connections c carson dunlop associates. This type of pliers is used for cutting fine, medium and big wires and cables. There are all manner of joints and splices used in wood, furniture making. Sep 12, 2017 how to connect electrical wires together, electrical wire straight joint method, electrical wire splices and joints, proper joint of electric knowledge about wire joint. Electrical joints and or splices are points in a continuum of wiring at which new wire is either added for extended length to the final intended outlet, or branched off for additional outlets. Splices and joints ppt electrical wiring wire scribd. Dec 03, 20 electrical splices and joints are places in the continuum of wiring where new wire is added or extended. The 3m electrical splice product line covers splicing needs from v to 145 kv class and utilizes fieldproven technologies to provide dependable. Cable and harness splices workmanship standards nasa. Nec defines process for calculating wire size based on current, voltage and length. A smoother and less bulky joint can be made by staggering the splices. Work instruction in how to splice an electrical wire gauge.
Rat tail or pig tail this kind of joint is commonly used to join two or more conductors. Sep 07, 2018 wires form the foundation of a circuit and joining them together is an essential part of making a circuit work. Wire joints are used to crimp groups of wires fully preinsulated to prevent shorting and shocks crimp tool. Sep 07, 2018 if an electrical device is broken, theres a good chance it could be because of a problem with a wire. A wide variety of types splices and joints options are available to you, such as ftth, fttx. If an electrical device is broken, theres a good chance it could be because of a problem with a wire. The following are the common electrical wire splices and joints. Electrical joints andor splices are points in a continuum of wiring at which new wire is either added for extended length to the final intended outlet, or branched off for additional outlets. These include three main types of wire splices, soldering and other devices, such as wire nuts, screw terminals and crimp connectors. There are a few different kinds of splices and joints in wire. The cast resin system provides the electrical insulation, mechanical protection and moisture imperviousness to the joint. Electrical installation maintenance 2 k to 12 technology and livelihood education welcome to the world of electrical installation and maintenance. Splice joints are stronger than unenforced butt joints and have the potential to be.
Cant really address that other than to say scarf joints and a lot of other joint types exist, though they are more commonly called joinery in my experience. When working with electricity, remember to stay safe. A wide variety of types of wire splices options are available to you, such as splice, lug, and crimp terminal. Splices l ow voltage splices 0600v db r and dby series low voltage splices 0600v dbr and dby series 3m direct bury products these 3m underground electrical wire connectors are designed to splice and effectively moistureseal two or more conductors for remotecontrol circuits in irrigation and landscape lighting systems. It is a span of flexible electrical power cable with a plug on one end and multiple sockets on the other end. Splice join wires using only listed devices such as appropriate size wire nuts. Objectives describe different methods of common wire splices and joints observe how the different methods of common wire splices and joints is being done. Cover spliced wires with material equal to the original insulation. This will serve as your tool in performing actual wiring installation. What are the names of the different kinds of splices and. Medium voltage splices offer power cable jointing solutions that cover splices for industrialtype cables rated 5kv through 35kv. Identify electrical supplies, materials, and tools needed in electricalwiring installation lo 2. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
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. Jn418, jn314 ct100a, ct160, ct260 contour crimp controlled cycle tools specifically designed for the installation of panterm terminals, disconnects and splices. Request appropriate supplies, materials, and tools for a specific job lo 3. 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. Lesson 1 prepare electrical supplies, materials, and tools lo1. 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. Butt splices have very high connectivity that sustains an electrical current passing through it, and are fast and easy to install. If the splices are directly opposite each other, the overall size of the joint becomes large and bulky. The joints are made by skinning about 2 inches, the end of the conductor is to be joined. It comes in several varieties to suit the needs of the user. This kind of splice is applied in the absence of the connectors. Ul white book insulating tape oanz use this category covers rubber insulating tape for insulating joints and splices in electrical conductors where an outer covering of protective material, such as friction tape, is intended to be applied over the insulating tape. In the power electrical business, there are 1 solder silver solder and tape.
Twiston connectors come in different colorcoded sizes, and you must choose the proper twiston connector, depending on the thickness gauge of. How to connect electrical wires together, electrical wire straight joint method, electrical wire splices and joints, proper joint of electric knowledge about wire joint. Physics all conductors contain electrical charges, which will move when an electric potential difference measured in volts is applied across separate points on. What are the different electrical joints and splices.
Scs4050 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. Structurally, in wood, there are finger joints code allowed good only for compression. Type use2 or rhh or rhw2 copper conductors are suitable for use in. Feb 23, 2016 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. 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. Figure 26 shows how a twoconductor cable is joined to a similar size cable by using a western union splice and by staggering the splices. Which type of splice is used to splice a lighting fixture to a branch circuit.
Guest19823252 rat tail joint western union short tie splice western union long tie splice britania splice plain tap or tee joint trough fixture joint knotted tap or tee joint duplex wire splice small aerral joint ordinary cross joint double cross joint scattered splice cable tap or tee joint split cable tap or tee joint multiple wrapped cable splice ordinary wrapped cable splice terminating. The most common among the four wire splices is the. As a student in electrical installation and maintenance you should acquire the important knowledge and skills in wire splices and joints and should be familiar with the actual application of every splice and joint. This kind of joint is commonly used to join two or more conductors. 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.
Splices and joints basics about electrical free download as pdf. Receive and inspect electrical supplies, materials and tools. Wires form the foundation of a circuit and joining them together is an essential part of making a circuit work. Study 15 terms common wire splices flashcards quizlet. The five most known types of wire splices are the rattail joint, the western union, the fixture joint, the knotted tap and the staggered splice. Environmental education resources to commemorate earth days 50th anniversary. Electrical splices electrical connectors categories. 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. Common electrical wire splices and joints basics about. Splices crimp connectors wire nuts printed circuits electrical connectionssoldering soldering bonding metals with a dissimilar alloy of metals solder.