This category also covers thermoplastic tape intended for use as the sole insulation and covering of joints and splices in. 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. 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. Twiston connectors come in different colorcoded sizes, and you must choose the proper twiston connector, depending on the thickness gauge of. Raychem nylon crimp splices are easy to use in factory or repair applications. When working with electronic equipment or with electrical wiring, it may from time to time become necessary to splice or join wires together. The metal conductor of the wire is covered with a plastic insulation coating that should appear smooth. These splices can withstand higher temperatures than insulated splices. The following are the common electrical wire splices and joints. Other typical wire strippers in use in the navy are illustrated in figure 21. The 3m electrical splice product line covers splicing needs from v to 145 kv class and utilizes fieldproven technologies to provide dependable. 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 cast resin system provides the electrical insulation, mechanical protection and moisture imperviousness to. Fixture splices, or fixture joints, are used to connect wires of different sizes. 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. Electrical joints and terminations provide the required. A wide variety of types wire splices joints options are available to you, such as steel. Displaying electrical wire splices and joints powerpoint presentations 1910 electric11.
Common joints and splices wire electrical conductor free 30. Reduce the time, labor and cost that comes with electrical cable splicing. 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. This will serve as your tool in performing actual wiring installation. Length of wires coming out of a box electrician talk.
Department of labor for safety and health training. Splices and joints ppt electrical wiring wire scribd. Vapour barrier poly hats installed on exterior walls and exterior ceilings. Common electrical wire splices and jointsvideo tutorialtagalog. Splices definition of splices by the free dictionary. It is especially important to make proper joints in irrigation systems because the joints are exposed to wet and damp environments that can cause corrosion of the copper conductor, and premature failure.
Sep, 2009 what are the kind of electrical splices and electrical joints plain wire soldered. Splices are used to connect two wires for the purpose of carrying either electrical current or a network signal. Module 4, introduction to electrical conductors, wiring techniques, and. Electrical wire splices and joints free pdf ebooks. All grounding conductors are terminated in electrical boxes and splices completed. This conductor is not commonly used in industrial shielded power cables. Common splices and joints in electricity and its procedure duration. Wiring techniques ced engineering different ways to terminate and splice electrical conductors. Electrical splices electrical connectors categories. The nut is usually housed in a plastic insulating casing.
Electrical joints andor splices are points in a continuum of. Electrical wire splicing allows you to remove or move a wall, add an outlet, move an outlet, move or add a ceiling light, refinish an existing space like a basement, tame dangling wires, and countless other projects that enhance your living space. The common types of wire splices are the western union splice, tap splice, staggered splice, fixture splice and rattail joint splice. It can also be branched off from other outlets as well. Theory electrical splices and joints are places in the continuum of wiring where new wire is added or extended.
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. So forget the guesswork, and look for top quality products that match your project needs. Western union long tie, knotted tap joint and cross joint and. Common electrical wire splices and jointsvideo tutorialtagalog duration.
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 completed by either crimp or solder process. Designed for applications with temperatures up to in this section include. To create a rattail joint, first strip the insulation off the ends of the conductors to be joined. A wide variety of types of wire splices and joints options are available to you, such as splice, lug, and crimp terminal. Today we will discuss about the different common electrical wire splices and joints. Visually confirm your connection through the inspection window in the insulation of these. A crack, kink or burn spot on the insulation will be visible at the site of the wire damage 3. There are three main types of electrical joints, also known as splices. The 3m product line covers splicing needs from 0600v v to 46 kv applications. Wires form the foundation of a circuit and joining them together is an essential part of making a circuit work.
Short description of rat tail or pig tail, plain tap joint, y splice. Hold the wires together and then twist them a few times with a pair of pliers. 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. On the worksite, only the right wire connector does the job. To assist all concerned parties in the proper and safe use of solid aluminum wire in making connections to wiring devices used on 15 and 20ampere branch circuits, the following information is presented. Ensure slack in wire is provided in the ground sloop for frost purposes. 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. Mseal kastex joints and terminations for lv cables are based on a cast resin system. The new wire is actually extended to the point where the intended outlet should be. Common wire splices and joints wire electrical wiring. Common splices and joints in electricity and its procedure youtube. Once you know how to splice electrical wires, you open a world of possibilities with home improvement. Like all raychem intercon nect products, the wireto wire splicing devices are rugged and reliable, yet easy to install.
Cable and harness splices workmanship standards nasa. The splice must be strong in order to work effectively, regardless of whether a solder has been. The casting resin is polyurethane based which has complete compatibility with the cable components. Splices, wire joints, pconn wire connectors 230 ryan way. 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. Electrical cable jointing procedures electrical equipment. Electrical wire splices and joints ppt xpowerpoint.
Understanding and using this information is essential for proper application of. Cut both ends of wire so that they are the same length, and then. Common joints and splices free download as word doc. View electrical wire splices and joints ppts online, safely and virusfree. Insulation removal the preferred method of removing insulation is with a wirestripping tool, if available. Automotive wire harnesses contain more than 100 splices and grow with each model year. Common splices and joints in electricity and its procedure. What are the names of the different kinds of splices and. 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.
Wire splices are the weak link of any electrical circuit. Electrical nonmetallic tubing is a pliable, corrugated, circular raceway made of pvc. Crimp the barrel twice on each end for an extratight grip in highvibration applications. The wire nut is a device commonly used to replace the rattail joint splice.
When there is no strain, the knot may be eliminated. Rat tail or pig tail this kind of joint is commonly used to join two or more conductors inside the junction box. The western union splice, the tap splice and the fixture splice. This article is primarily concerned with how to install, route, splice, protect, and secure conductors and. Rat tail or pig tail this kind of joint is commonly used to join two or more conductors inside. The fixture joint is used to connect a smalldiameter wire, such as in a lighting fixture, to a larger. These include three main types of wire splices, soldering and other devices, such as wire nuts, screw terminals and crimp connectors. Taps, splices and joints electrical motor control wirings. Common electrical wire splices and joints basics about. The knotted tap is used where the splice is subject to strain or slippage. The branch wire is then wrapped around the main conductor in short.
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