Splices are permanent joints, while connectors allow the two fibers to be disconnected at the joint. Tes heat shrink components will remain reliable for years in the field. The joints are made by skinning about 2 inches, the end of the conductor is to be joined. Hold the wires together and then twist them a few times with a pair of pliers. View notes kinds of electrical joints and splices from math 101 at nueva ecija university of science and technology. Splices while a connector is considered a semipermanent, pluggable connection, a splice is permanent. Depending upon on the types of splices, joints types of wire splices, joints and taps western union short tie.
From standard solutions to custom designs, we offer reliable, costeffective products for mechanical, electrical, digital, analog, miniature, and harsh environment requirements. All splices and joints and the free ends of conductors shall be covered with an insulation equivalent to that of the conductors or with an insulating device identified for the purpose. It is an alternative to other joints such as the butt joint and the scarf joint. This is a straight joint used for small solid cables. This kind of splice is applied in the absence of the connectors.
These are mostly placed in planar structures frames, arches and indoor conditions. Displaying electrical wire splices and joints powerpoint presentations 1910 electric11. Download download electrical joints and splices pdf995 read online read online electrical joints and splices pdf995 8 aug 2011 see different methods of making electrical connections. The joints, or splices, or attachments, must carry the same loads as the components they join together, and they must be efficient in that they add very little weight to the structure. Common electrical wire splices and jointsvideo tutorialtagalog. They can be used as inline splices if proper strain relief is provided. Dec 03, 20 examples of synovial joints are the ball and socket joints, these are found in the shoulder and the hip joints, these joints are the most mobile joints in the body as they allow the arms and legs to move. Ensureasplice, test splice installation instructions pdf splicing of fabric expansion joints is a critical operation which needs to be performed correctly for the expansion joint splice to hold up under system operating conditions.
Welcome to jun aux tv if you enjoy watching this video dont forget to subscribe, like and hit notification bell thank you. Study 15 terms common wire splices flashcards quizlet. In the power electrical business, there are 1 solder silver solder and tape. The simplest splices are those in tended to resist compression alone, and of these the most simple is that shown in fig. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Common wire splices and joints wire electrical wiring. Objectives describe different methods of common wire splices and joints observe how the different methods of common wire splices and joints is being done. Mseal kastex joints and terminations for lv cables are based on a cast resin system. Constructed from seamless aluminum tubing for high conductivity prefilled with oxide inhibitor to prevent oxidation. Mechanical splices are commonly used in construction of reinforced concrete structures. Reduce the time, labor and cost that comes with electrical cable splicing. Wire taps,joint and splice by lovenres enanoria on prezi. The 3m product line covers splicing needs from 0600v v to 46 kv applications. Heat shrink power cable joints and splices provide excellent electrical and mechanical characteristics, in order to guarantee insulation, protection and sealing for cables and accessories.
Overlap splices are the most popular type used in the industry and can be enhanced with molding for food processing applications. Soldered splices shall first be spliced or joined so as to be mechanically and electrically secure without solder and then be soldered. Practical hv cable jointing and terminations for engineers. Splicing wires can help reconnect circuits and fix the problem. Which type of splice is used to splice a lighting fixture to a branch circuit. Endbearing splices rely on the transmission of compressive stress by bearing of squarecut ends held in concentric contact by a suitable device. Types of splices joints garden guides splices and joints are two names for essentially the same thing, that is, methods of connecting two pieces of wire so as to carry either a signal or an electrical. 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. Overlap ranges from 25 mm to 152 mm, with directional belt angles of 30, 45, 60, and 90 degrees clipper is a metal lacing. The splice joint is used when the material being joined is not available in the length required. Environmental education resources to commemorate earth days 50th anniversary. 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. Pdf electrical power equipment maintenance and testing.
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. Splices definition of splices by the free dictionary. A wide variety of electrical joints and splices options are available to you, there are 454 suppliers who sells electrical joints and splices on, mainly located in asia. Analysis and design of joints and splices springerlink. 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. We offer a wide array of products with applications across many industries.
The western union splice connects two conductors together and is particularly useful in repairing a broken wire. Reinforcing bar splices are key components in reinforced concrete construction. Rat tail or pig tail this kind of joint is commonly used to join two or more conductors. A wide variety of electrical wire joints and splices options are available to you, such as conductor material, conductor type, and type. Joining small multiconductor cables often presents a problem. This all about the different basic wire splices and joints use in joining or connecting two different wires. 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. Rodriguez, paul andrew trinos, searle submitted to. I received a set of 3 pictures of elvis in the last years of his life. Duplex cross joint this is a twotap wire turned simultaneously and is used where the two tap wire is under heavy tensile stress 10. What are the importance of electrical splice and joints.
This edition features important revisions to many sections. If an electrical device is broken, theres a good chance it could be because of a problem with a wire. All splices and joints and the free ends of conductors shall be covered with an insulation equivalent to that of the conductors or with an identified insulating device. The conductor simply slips into the colorcoded, funnelshaped end piece and automatically enters the pilot cup with a gentle push. Mechanical joints widetolerance couplings and flange adaptors 10. 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.
Rat tail or pig tail this kind of joint is commonly used to join two. Now in its 24th edition, the 2018 canadian electrical code, part i includes a number of significant updates and changes to better help electrical workers in the safe maintenance of electrical equipment and create safer electrical installations. Wire must be properly joined or spliced in order that electricity will flow normally in the circuit. Conductors shall be spliced or joined with splicing devices identified for the use or by brazing, welding, or soldering with a fusible metal or alloy. Electrical cable jointing procedures electrical equipment. Remote work advice from the largest allremote company. Seismic demand on column splices in steel moment frames. 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. In all assembled structures there exists the problem of joining the component parts. Because mechanical splices do not rely on the surrounding concrete to transfer the force between bars, splitting failures are not a concern, and the strength of the splice is not sensitive to the compressive strength of the concrete or the amount of cover. 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.
The western union splice, the tap splice and the fixture splice. If the splice is to be taped,care should be taken to eliminate any sharp edges from the. Electrical power equipment maintenance and testing 2nd edition. This paper summarizes the major results related to the seismic demand on the column splices. About 1% of these are electrical wires, 11% are connectors, and 75% are terminals.
This demand was evaluated with respect to the demand on the frame system as whole and the demand. However, the method described in your answer would be acceptable for insulating brazed, welded, soldered or crimped splices. If the splices are directly opposite each other, the overall size of the joint becomes large and bulky. May 24, 2017 in the power electrical business, there are 1 solder silver solder and tape. This kind of joint is commonly used to join two or more conductors inside the junction box. The casting resin is polyurethane based which has complete compatibility with the cable components. Splices are therefore most often used when structural elements are required in longer lengths than the available material.
The cast resin system provides the electrical insulation, mechanical protection and moisture imperviousness to the joint. The most popular type is the fusion splice, where fibers are aligned and melted until they fuse. Common joints and splices wire electrical conductor free 30. Common splices and joints in electricity and its procedure. The most common among the four wire splices is the. Blackburn automatic connectors make fast and dependable overhead tension splices that take a bite out of installation time. The most common form of the splice joint is the half lap splice, which is common in building construction, where it is used to join shorter lengths of timber into longer beams. This is the most widely used splice or joint in interior wiring installation to extend the length of wire from one point to another. Splices, wire joints, p conn wire connectors courtesy of steven engineering, inc. It is a crucial issue for the structural engineers to determine what type of reinforcement splices should be used and where they should be located in the structures. From standard solutions to custom designs, we offer reliable, costeffective products for mechanical, electrical, digital, analog, miniature, and harsh. While some splices are reenterable for repairs, they are made without the intention of even occasional connections and disconnections. Used when the connection must be strong enough to support long lengths of heavy, wire.
Electrical splices electrical connectors categories. Common joints and splices free download as word doc. The metal conductor of the wire is covered with a plastic insulation coating that should appear smooth. Electrical supplies categories electrical connectors electrical splices. Now, ive seen a couple of things done with split bolts. Cable and harness splices workmanship standards nasa.
Wire splices tap splice all splices can be soldered to add strength and conductivity rat tail splice wire splices fixture splice provides extra strength for hanging light fixtures use needlenose pliers to make tight bends and joints. Sep 07, 2018 wires form the foundation of a circuit and joining them together is an essential part of making a circuit work. 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. Make quick, dependable overhead tension splices and speed up installation time. This joint requires five inches of insulation stripped off the 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. View electrical wire splices and joints ppts online, safely and virusfree. A wide variety of types of electrical joints options are available to you, such as crimp terminal, splice, and lug. Existing splices loaded onto a conveyor system 14 establishing a master line 14 establishing a center line 15 dry fit splice alignment 15 addressing belts with damaged edges.
There are various examples of use of moment resisting splice joints in the building industry. Take the connecting wire and tie it in a knot onto the running wire to create a knotted tap splice. A smoother and less bulky joint can be made by staggering the splices. Taps, splices and joints electrical motor control wirings. 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. Automatic splices and deadends ats autoset automatic splices. Wiring connectors or splicing means installed on conductors for direct burial shall be listed for such use.
The following are the common electrical wire splices and joints. Fixture splices, or fixture joints, are used to connect wires of different sizes. Types of electrical wire splices and joints industrial. The 3m electrical splice product line covers splicing needs from v to 145 kv class and utilizes fieldproven technologies to provide dependable. A wide variety of electrical wire joints and splices options are available to you, such as. Cut both ends of wire so that they are the same length, and then. Splice joints are stronger than unenforced butt joints and have the potential to be. Bolted field splices for steel bridge flexural members 3 splices at the strength limit state is to satisfy the applicable provisions of aashto lrfd article 6. Twiston connectors come in different colorcoded sizes, and you must choose the proper twiston connector, depending on the thickness gauge of. 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. All synovial joints are lubricated by synovial fluid which allows less friction and rubbing of the bones and joints.
Joints and splices in carpentry splice, pieces, joint. 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. Nec 2011 study guide, 100 and 110 flashcards quizlet. There are obvious advantages with connectors, allowing for changes in network connections or accessing the network for testing. Common electrical wire splices and joints basics about. The bar ends are required to terminate in flat surfaces within 11 2. What are the different electrical joints and splices.
There are three main types of electrical joints, also known as splices. Jul 23, 2014 common splices and joints in electricity and its procedure duration. Splices, wire joints, pconn wire connectors 230 ryan way. Product image product number product description vendor name stock uom case pack. Electrical wire splices and joints ppt xpowerpoint. When working with electricity, remember to stay safe. 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. The two wires are trimmed of insulation, then each is wrapped around the other around six times. End splices are used to terminate two or more conductors in a pigtail configuration, and to deadend a single conductor. There are a few different kinds of splices and joints in wire. A comprehensive study on column splices in steel moment frames was conducted by shen and sabol 2008.
These include three main types of wire splices, soldering and other devices, such as wire nuts, screw terminals and crimp connectors. First wrap it with cambric tape to make it easier to get to if there is a repair that needs to be make. If you dont knot and just twist, this is a regular tap splice. There are two different ways to join two optical fibers. Sep 07, 2018 a y splice joint, also known as a tap splice, connects a conductor to a running wire. Splices, however, offer lower optical loss at the joint and higher.
Department of labor for safety and health training. 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. A splice joint is a method of joining two members end to end in woodworking. Full and semitension compression splices aluminum fulltension compression splices for acsr and aluminumalloy conductors simplify hotline distribution construction and eliminate the separate splicing of acsr core wires. Fiber optic splices electrical contractor magazine.
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