how to connect armoured cable to plastic junction box

\u00a9 2023 wikiHow, Inc. All rights reserved. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Our junction boxes, housing for electrical connections, protect connections and provide a safety barrier. A metal box can be grounded by AC or metallic conduit, but a plastic box needs a run ground conductor. This article has been viewed 79,772 times. var cid='3350712846';var pid='ca-pub-4631420095579283';var slotId='div-gpt-ad-diydoctor_org_uk-box-3-0';var ffid=1;var alS=1002%1000;var container=document.getElementById(slotId);container.style.width='100%';var ins=document.createElement('ins');ins.id=slotId+'-asloaded';ins.className='adsbygoogle ezasloaded';ins.dataset.adClient=pid;ins.dataset.adChannel=cid;if(ffid==2){ins.dataset.fullWidthResponsive='true';} Most BX connectors have a small hole or slot through which you must show the tab, tip or tail of the bushing, so the inspector knows it is in there. Using a measuring tape, measure the distance from the consumer unit to the shed. (Then again, it might flunk as not being "workmanlike".) When designing with fiber, you can utilize the shortest pathway versus avoiding EMI sources. Fasten the box to the bar. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Step 4: Measure the distance from the consumer unit. Would someone please give me some insight on this ? Learn more Electrical cable encased in metal sheathing is often used in basements and other areas where the wire is not encased in a finished wall. Looking at the fitting in your picture I guess it is approved for use with MC (going off of what the package says). What if the BX cable is in a wet location? I think that the intent is to have maintain ground connection of the metallic raceway when a plastic box usually insulates between two kos. IMO IP66 Junction Box 125 x 167 x 82mm 16.99. Where does it come out of the wall? lol. Note: As this is a new circuit and will also be running externally is needs to be on its very own circuit and MCB, which as the socket was to be used for the occasions strimmer or power drill etc. Don't want to do this job yourself? . SWA or steel armoured electrical cable (British standard BS5467)is a type of electrical supply cable that as you may have guessed has its own in-built armoured sheath that protects the electrical charge-carrying conductor cable at the core. Certain wiring outside of fire-rated construction may use non-metallic-sheathed cable, AC, or non-metallic rigid conduit. Remember to bring an earth tail wire out to earth the box and the SWA armour though. Also, what is the procedure for earthing the armour? If you have a lot of excess cable left over, first use a decent pair of wire snips, side cutters or a hacksaw to cut the end of the cable off to a suitable length so that there roughly 10 12 inches of cable left once pulled in to the enclosure. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. Push an Anti-short Bushing on the Wires Where They Contact the Metal Armor Here, you might have to employ bushings that contain an indicator tab, tailor tip. An SWA Cable Junction Box is a general purpose junction box suitable for all surface applications. Local codes may require more. Extension lead for the shed page 2 design and location uk420 junction bo connection of data control signal cables armored cable 5 essential pieces information you ought to know hensel electric uk ltd enycase pe inlay how use bx electrical 11 steps with pictures code safety violations mr electrician steel wire armoured all need e tech components supplies . "A while back I asked about using a plastic box with MC and your response was that you hadn't seen a plastic box approved for metallic clad cable.". chemically inert and therefore completely safe. . ex. With the screw in place a length of earth wire is cut and a crimp ring is crimped on and then its slipped over the bolt and then a nut is screwed down and tightened. It is often used in fire-rated occupancies as an alternative to metallic conduit. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Knockout Non-Metallic Push-In Connector (100-Pack) with 161 reviews and the with 138 reviews. IP68 External/Outdoor Waterproof Junction Box,3-Way Cable Connector, 3-Way Cable Connector Wire Electrical Junction Box For 5mm-15mm Diameter Cable,Black Plastic Armoured Cable Connector - 3REE. Ensure the enclosure is fixed straight and level by using a spirit level.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'diydoctor_org_uk-leader-2','ezslot_15',810,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-leader-2-0'); The next task is to run the armoured cable from the location its going to connect into the consumer unit up to where the enclosure is. Now, pull the collar up over the wire strands and then pull up the collar nut and tighten it fully. The reason for using a weather proof enclosure was that the main electrical feed would be taken from the consumer unit to the weather proof enclosure via a 10mm cable and the connection between this and the armoured cable would then be made in the enclosure. The plastic sheathing of NM cable does not shield electric fields. We did it that way for a ong time before the hand crank tyoe cutter was invented, and it was patented and expensive for many years. Reduced labor and material costs. Where can MC cable be used? Galvanized Steel Fixed Chimney Cap in Black Pickup 1 in stock at South Loop Delivery Free Add to Cart Compare 269 More Options Available $5896 ( 181) Model# SCCA Master Flow 8 in. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. how to connect armoured cable to junction box. all the time. Take a hacksaw blade and cut a ring around where you want it cut. Repeat for the connections at the other end. These cables are used mainly for digital audio connections between devices. Keep up to date with our DIY projects, tips and latest deals, DIY Doctor Ltd, The Workshop, Newbury Works, Somerset, BA3 5RX, DIY Doctor Ltd 2023 All Rights Reserved, Company Number: 05863375 | VAT Number: 811134774. even if you are not using the armour as the earth, you need to earth it as it is an extraneous (or is it exposed? For a better experience, please enable JavaScript in your browser before proceeding. If your project is adding to existing wiring, make sure the power is off for all of the branch circuits feeding power to all of the box locations you're working on. Squeeze the handles on the cable cutter to secure the armored cable in the cutter. Seems it should be bonded at the 1st box that it leaves rather than relying on the equipment/ box down the line to take care of the bonding. Obviously we're talking about cable like type MC with a separate grounding wire or flex with a separate grounding wire. Securely connect cable in sanitary environments such as food plants with these watertight cord grips. Even if the metallic cable has a grounding wire ran with it, the armor still has to contact a grounded connector. What You Need Materials Code-approved electrical box Cable clamps (for a metal box) Tools Voltmeter or non-contact circuit tester Wire Strippers Hammer Lineman's pliers I bored a hole in the side of the plastic box and connected the flexible metal cable via a fitting and lock nut. Step 4. I went and looked, it was the 1999 when boxes were section 370 and dashes were still used. 3) Individual conductors run inside conduit: Individual . MC and AC cables may have very similar appearance. In this guide we will take a look at SWA cable and how its used. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Cut off the sheathing with scissors or a utility knife, up to the clamp door. You are using an out of date browser. . No grounding requirements. As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). Use a wire nut to connect multiple wires. Al hacer clic en 'Aceptar' confirmo que estoy de acuerdo con lo antes expuesto, como se describe con ms detalle en la Poltica de cookies de Houzz. With the cable fully secured in place the next job is to run the armoured cable up through the threaded sleeve and into the enclosure. We do not intend to infringe any legitimate intellectual right, artistic rights or copyright. However, you should always use a flat head screwdriver and hammer to gently tap the lock nut until it is tightened very securely. You are using an out of date browser. Dont push too hard you just want to cut through the cover.Armoured cable PVC cover trimmed up. Sure couldn't do it with a plastic box at both ends, the armor would not be bonded. Ensure you leave sufficient slack for corners, as well as for the depth it will need to be buried, or the length needed to run it up a wall. Article 518 of the National Electrical Code (NFPA 70, 2019: 514.A) requires all "assembly occupancies" to be wired using "metal raceways, flexible metal raceways, nonmetallic raceways encased in not less than 50 mm (2 in.) Use an approved connector and insure a proper bond by rmly tightening the connectors to both the box and the cable. A while back I asked about using a plastic box with MC and your response was that you hadn't seen a plastic box approved for metallic clad cable. Never overload a wirefor instance, never wire a 20-amp circuit with 14-gauge wire. I just picked up a 25 foot section of 12/2 MC cable with ground (THHN wire). Back to Cable Management Electrical, Cable & Junction Boxes Protect essential wiring connections in the home or office with a range of junction boxes at Toolstation. Use metal-clad (MC) with a metal sheath specifically listed as impervious to water, or underground feeder/branch circuit cable (UF), either by itself or in a conduit system approved for use in wet locations (if you desire additional protection from physical damage to the cable). Puedo rechazar las cookies no esenciales haciendo clic en 'Gestionar preferencias'. Show more abrelectric 5K views 6 months ago BX Wiring: Top 5 Issues | Jesse. What to do With Spare Wires Never cut off a wire that is not being used especially a ground wire. 1. An electrical conduit is a metal or plastic pipe through which electrical wires are run. Can you connect Romex to BX? All tip submissions are carefully reviewed before being published. Select the supplier or trade you require, enter your location to begin your search. 7 / 10. . but I would use the gland and nut with a washer either side of the plastic for strength if the cable is earthed E electronicsuk Joined 7 May 2007 Messages 3,316 Reaction score 276 Location Lincolnshire Country 15 Apr 2009 #3 In this DIY guide you will learn how to correctly use and connect up armoured or SWA cable. The actual gauge for your project will depend upon the length and the operating load to be fed at the far end. You may also have trouble picking up ground unless you used a cable with a ground conductor (MC). If not, what is recommended. Since this run of MC is only 6 ft long bonding should be a non-issue, but it really depends what the code says for legality. Earth Pit Plastic 24.24. When connecting armored cable to the junction box, you may be tempted to simply hand tighten the lock nut on the threaded portion of the armored cable connector. The PG series cable glands start from PG7 to PG63 as normal sizes in the worldwide market. To create this article, volunteer authors worked to edit and improve it over time. Wickes Cable Ties - White 4.8 x 280mm Pack of 10. Where an armoured cable is selected as (or forms part of) a wiring system, BS 7671 requires the armouring be effectively earthed. Yes, it is best to use a storm gland for outdoor use. armored cable extending from the appliance should be connected directly to the junction box. http://www.tlc-direct.co.uk/Main_Index/Earthing_Index/Piranhna_Earth_Nuts/index.html, Armour cable connection to a consumer box?/. cable.". These piranha nuts - do they fit onto the armoured cable before the gland ? heavy weights being rolled over or pushed into the cable it needs to be able to resist these forces and a standard domestic grey electrical cable would simply not be up to the job and if it became damaged would pose a huge risk and potential for injury. I'm replacing the dishwasher in a 1960s house I just bought, and I don't really trust the electrical in this house. Installing and connecting up SWA cable is notifiable work and should only be carried out by a qualified Part P registered electrician. Splicing onto the existing cable and extending it to a different location is fine, just make sure to splice all the wires together color to color including the ground wire. It shows you how SWA glands work. The easy way around all the 2nd guessing is to just change out the plastic j-box for a metal one. Carefully inspect the interior insulation to make sure none of the conductors have been exposed by nicks or gashes. Home > DIY How To Projects and Tutorial Guides > How to Connect and Wire up Armoured Cable or SWA Cable. . Need a bonding expert to chime in on this. Junction boxes (or a J box) protect the connections from accidental damage and contain sparks and heat from a loose connection or short circuit. 314.3 Nonmetallic Boxes. Wires coated with insulation that is black, red, or another color are hot wires, carrying power from the service panel to the electrical device. I am laying some armoured cable (specification for direct burial) to replace the horrendous bodge that some previous owner installed to power the pond pump, and also to provide an extra outside socket. 1/ Piranha / p-nut / lynx nut (expensive on bigger jobs) 2/ Clamp banjo between two nuts on inside (not enough thread) 3/ Traditional banjo on outside with screw through (ruins IP rating, possible plastic deformation over time) It is also slightly more difficult to install, as cutting the metal sheathing takes slightly more time, than cutting NM cable. Washing machine hook up box above counter top??? You can easily find spools of BX cable up to 1,000 feet long. Local jurisdictions may interpret such rules differently. Please can someone recommend a junction box to suit both the armoured cable and 2.5mm or similar solution? Thanks! If you do not have a ground wire in the cable, you are going to have a problem attaching grounds in the box to just a cable clamp. So that you know the different parts that we will be referring to below here follows a quick breakdown of the different parts of a gland:Different parts of a gland. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Thought I had a bad GFCI but something else is going on - Help! Cable Gland Installation Guidelines. 4. Push all the wires into the box before sealing it. Apparently there was some mis-communication about the use of plastic boxes with metallic clad cable. I ended up running the AC cable into a metal box, and then brought romex out and into the plastic box. If there was a fault and the jacket became energized the current would have to travel down the jacket until it reached a metallic box. 15 Apr 2009 #2 you need to specify if the cable has an earth wire for a definate answer. I attached the green wire to the ground screw on the receptacle in the metal j-box the other end will combine with the other two grounds in the plastic j-box, and then attach to the ground screw on that receptacle. We work with the industries best to ensure that we recommend only reliable and trustworthy tradesmen. White wires are neutral, meaning they carry power back to the service panel. Now I need to find the correct cable clamp to secure the MC to the box. It may not display this or other websites correctly. Steps in splicing aerial tap joint. So a 'temporary' installation to sidestep Part P requirements. Single plastic boxes do . I installed a metal junction box with receptacle in the firebox of our masonry fireplace. Work gloves are handy when working with armored cable. I have located all the items at Screwfix. If the armour is the only earth you're providing then I would use a Piranha earth nut as opposed to a banjo/metal tag through the enclosure. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. I am far more concerned that a run ground conductor is going to be required to use any metallic method so ground can be picked up, and that an approved cable be used. my memory aint what it used to be!) Supply wiring for outdoor socket Installing an Outdoor Socket Don't forget the armour must be earthed. Exception No. The consent submitted will only be used for data processing originating from this website. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\n<\/p><\/div>"}. A fiber-optic cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to carry light. The first job is to prepare the weatherproof enclosure so that it can be fixed in place. With the hole created the next job is to install the gland in the base of the weatherproof enclosure. Installation of cable glands must be carried whilst following the appropriate codes of practice, local regulations and in accordance with manufacturer guidelines. That does not sound like an approved permanent wiring method. Make sure you have the proper connectors for the selected type of cable. If you use a metal box extension on a plastic box, connect the metal extension to the ground wire in the box using a grounding clip and a short piece of wire. Available in either rigid or flexible forms, a conduit protects the wires and is used in exposed locations (such as along the exterior surface of a wall) as well as in unfinished areas (like basements, crawlspaces, and attics), and in surface-mounted . Single triad shielded signal cables . I believe he has a flexible conduit with wires preinstalled in it (a whip for connecting air conditioners, etc..). Then bend and break the metal off. Best LED dimmers for 3-way with buzzing problems? Push a plastic anti-short bushing onto the wires where it contacts the metal armor. A small bolt is then pushed up through from the base and through the small end of the banjo. PVC sleeve slipped over end of armoured cable, PVC sleeve slipped over end of armoured cable, In the exact following order, the sealed nut is slipped on and then the collar retaining nut and then the cable retaining collar ensuring that they are all facing the correct way around. It's fine to terminate SWA into a plastic enclosure, although you need to be the judge of whether or not said enclosure is strong enough to take the mechanical stress the cable may put on it. Rip and Strip the Wire. The very last job for our electrician now is to connect the other end of the armoured cable into the consumer unit on its own MCB.