cable. for plastic cable accessories. Securely connect cable in sanitary environments such as food plants with these watertight cord grips. I have purchased 1.5mm armoured cable to connect from externally mounted junction box to 2 bulk head lights in the garden. If the BX doesn't include a separate ground wire then you'd need a special box connector that provides a ground lug. I went and looked, it was the 1999 when boxes were section 370 and dashes were still used. 1: Where internal bonding means are provided between all entries, nonmetallic boxes shall be permitted to be used with metal raceways or metal-armored cables. I ended up running the AC cable into a metal box, and then brought romex out and into the plastic box. You may also have trouble picking up ground unless you used a cable with a ground conductor (MC). 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. To prevent issues such as these occurring special joints known as glands must be used. In this guide we will take a look at SWA cable and how its used. It may not display this or other websites correctly. Thanks. Galvanized Steel Adjustable Chimney Cap in Black Pickup 1 in stock at South Loop Delivery Free Add to Cart I think I can afford the extra buck fifty :-). This article has been viewed 79,772 times. Kitchen track lights suddenly "possessed". JavaScript is disabled. Chris VAT 14.16 qty . 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. The clamps in the box are most likely for NM cable though, so you need to use a knockout with an AC cable clamp. Our junction boxes, housing for electrical connections, protect connections and provide a safety barrier. Installing and connecting up SWA cable is notifiable work and should only be carried out by a qualified Part P registered electrician. The choice of whether armoured cable is surface mounted or buried depends on several factors including the preferences of the homeowner whos having the cable installed, the install location and the budget. Save me from the "matchy-matchy" lights!!! The armoured cable is the garage feed. The junction box should be located as shown in figure 1 and with as much slack as possible remaining in the cable between the box and the appliance, so it can be moved if servicing is ever necessary. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. We love feedback on our DIY tutorials it helps us to make them the best they possibly can be so if you have any comments you would like to share with us, click the button below and let us know. and the main wire end about 25 mm. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. We work with the industries best to ensure that we recommend only reliable and trustworthy tradesmen. The cable appears to be "similar" to MC but may not be actual MC. So that its easier to get on the cable before its stripped, as once prepared the cores or armoured steel sheath can catch the next job is to slide the rest of the glad on to the end of the cable.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'diydoctor_org_uk-narrow-sky-1','ezslot_20',812,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-narrow-sky-1-0'); First, use a utility knife to trim the bottom 10mm or so off of the PVC sleeve and then slip it over the end of the cable and pull it down. I was going to get two of the "screw in" type connectors that thread internally into the MC cable and get secured to the box with a lock ring, but the big box store didn't have those except by the box of 100. This specification covers the requirements for instrument signal cables, thermocouple extension cables, RTD cables and power / control cables. Reduced labor and material costs. Junction Box Waterproof ABS Plastic Accessories Cable Connecting Dustproof. The short aluminum "wire" is the bonding strap and can be cut off. Step 4. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'diydoctor_org_uk-medrectangle-3','ezslot_8',823,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-medrectangle-3-0');The cable itself can be used in a variety of different ways. The double connector does penetrate the box. chemically inert and therefore completely safe. We also supply entry plates, service connector blocks, and cable joints Supply wiring for outdoor socket Installing an Outdoor Socket The outer steel wire should also be connected to earth via the glands fitted at each end. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. You can do that as long as you use the correct cable clamp to secure the cable to the box. Most of the time single or 2 or possible 3 gang boxes are used. Steps in splicing aerial tap joint. If you use the correct external clamp you can use any approved wiring method. This type of cable is available with at least two main wires (live and neutral), where the steel wires are used as an earth. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. 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. Many inspectors will want to see the "listing label" for your cable so they can verity that it conforms to the code requirements and standards for cable construction. If you are the rightful owner of any of the pictures/wallpapers posted here, and you do not want it to be displayed or if you require a suitable credit, then please contact us and we will immediately do whatever is needed either for the image to be removed or provide credit where it is due. Is BX cable required in NY in a one-story church assembly area? Even if the metallic cable has a grounding wire ran with it, the armor still has to contact a grounded connector. 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? How to Connect and Wire up Armoured Cable or SWA Cable, General Building, Self Build and Renovation, Planning Regs, Project Management and Safety, Let us help you find a tradesman local to you, Installing a Consumer Unit Consumer Units Explained, Electric Cable Sizes and Amp Ratings for the UK, Understanding Electrical Cables and Flexes, How to Wire a Junction Box for Socket and Light Circuits, 3-core = 2 different types: 1 brown, 1 blue and 1 yellow/green (earth) or: 1 black, 1 grey and 1 brown, 4-core = 1 brown, 1 black, 1 grey and 1 blue, 5-core = 1 brown, 1 grey, 1 blue and 1 yellow/green. This tool uses a small cutting wheel powered by a hand crank and will cut only through the armor, leaving the wires undamaged every time. It can be used both on the interior or the property and the exterior and it can either be clipped to a solid secure surface such as a wall or it can be buried in the ground and hidden away. The third part, Raceways, includes the rules applying to the installation of all types of raceways.It is divided into a general . Cut deep enough to where you start cutting through the metal, but not so deep you are all the way through and start cutting in to the wire. Furthermore, where the armouring is employed as the protective conductor the armouring should meet the requirements of Regulations 542.2.4 and 543.2.5 for electrical . This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. 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. When it comes to the core wire colours these are generally as follows (depending on the number of cores): To cover the potential range of different installs armoured cable is also available in a range of different size cores that include 1.5mm, 2.5mm, 4mm, 6mm, 10mm, 16mm and more specialist 25mm. Seems like it would be a straight shot to me but maybe I'm not seeing something. shed, copying the commercial 'Armadillo' approach by terminating the armoured cable in a box on the outside house wall, then running a rubber cable from the box through the wall to an ordinary plug that will go into a RCD socket indoors. 3. Apologies, but we don't seem to have a video for this project yet, but we will do our best to get one up soon. Say the metallic cable was 100 ft long and the short happened at the end near the plastic box, the fault current would have to back track 100 ft to the metal box and then 100ft down the grounding wire. Click to expand. That does not sound like an approved permanent wiring method. When it comes to surface mounting armoured cable it should be clipped up securely to a sturdy solid surface using the correct cable cleats. 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. Using a drill and holesaw, drill out the knockout hole at the base of the enclosure and also any other areas that you intend to have cable entering and exiting.Drilling out knockout using a 19mm flat drill bit, Drilling out knockout using a 19mm flat drill bit. I've been told by a CEU instructor that it is Code compliant to terminate MC cable in plastic JB's. This article has been viewed 79,772 times. 1. However, you should always use a flat head screwdriver and hammer to gently tap the lock nut until it is tightened very securely. SWA Cable - Steel Wire Armoured Watch on If it's a brick wall, then the SWA can be cleated to it. those boxes dont have those 1/2" knockouts in them. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. "I bored a hole in the side of the plastic box and connected the flexible metal cable via a fitting and lock nut.". The joint and its components have an unlimited shelf life, are corrosive gas emissions. 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. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. . This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. The cable is then laid on the sand and then to yellow cable marking tape is then laid over the cable to signify to anyone digging in the ground that there is a cable present. Don't want to do this job yourself? If it's what I'm thinking of, they are for flex and not MC. Best LED dimmers for 3-way with buzzing problems? 3 Step 1 - Assemble the gland parts on the wire 4 Step 2 - Stripping the outer insulation and cutting the amour 4.1 Stripping just the outer 4.2 Cutting the armour 5 Step 3 - Stripping the bedding or inner insulation 6 Step 4 - fitting the gland cone section 7 Step 5 - sealing the back of the gland 8 Step 6 - Connecting to your box If the cable does not have an actual grounding wire (and the bonding trip in AC does NOT count) then you have a way to connect to ground. 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. MC and AC cables may have very similar appearance. Step 4: Measure the distance from the consumer unit. Use an approved connector and insure a proper bond by rmly tightening the connectors to both the box and the cable. It is safer and faster than using a hacksaw. An electrical conduit is a metal or plastic pipe through which electrical wires are run. Strip the tap wire end about 75 mm. OK, that clarifies things for "boxes" what about non metallic cabinets, non metallic gutters/wireways, or other non metallic enclosures not specifically referred to by NEC as "boxes"? This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. An SWA Cable Junction Box is a general purpose junction box suitable for all surface applications. For a better experience, please enable JavaScript in your browser before proceeding. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. The consent submitted will only be used for data processing originating from this website. Likewise if there is also a chance that it could get damaged by impact force e.g. However, if you then leave that first plastic JB with MC and then go to another plastic JB that metal jacket is no longer grounded. 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. 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. That is AC cable so the sheath is the ground. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. 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. But cleat it a few inches above the ground level so it is clear of enthusiastic gardeners. The opposite end of the wire is then stripped and then connected into the earth bar of the consumer unit or earthing in the item you are using. Tightening collar nut using spanner. Use a wire nut to connect multiple wires. Often small pieces of metal will break off and they can be very sharp. 3) Individual conductors run inside conduit: Individual . of concrete, Type MI, MC, or AC cable." Greenfield tubing is still cut with a hacksaw in many applications due to the limited size range of each crank cutter. There is an issue of whether a plastic box is listed for a metallic connector, but I am only going to address bonding. Now you can turn the power back on and check to see that your connections are working. All the other boxes in the house are plastic for use with NM cable. IMHO, if the MC originates out of a metal JB or a load center it is grounded at that point. Was told more then once I could not do it. I knew that the clamps were rated for NM and presumed you were talking about the entire box. We and our partners use cookies to Store and/or access information on a device. Step 1: Determine the type of steel in the cable. A TOSLINK optical fiber cable with a clear jacket. When it comes to exactly what situations armoured cable should be used in, generally if the cable itself is going to be exposed to the weather and needs to be fully sealed and water proof e.g. This will be attached to a handy external junction box installed for this purpose, on an independent circuit, by my electrician when the Nonmetallic boxes shall be permitted. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. In terms of the conductors (the charge-carrying copper wire), domestic armoured cable comes in a range of different cores including 1 core, 2 core, 3 core and 4 core and 5 core to suit different install situations. Some types may work for several cables types, others may be prohibited. 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. In general, the length of a junction box is between 2 1/2 and 3 1/2 inches, and it's typically composed of metal and hard plastic. 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. Now, pull the collar up over the wire strands and then pull up the collar nut and tighten it fully. Installation should only be carried out by a competent person, with relevant knowledge and skilled in the installation of Cable Glands. It would be better for the fault 99 feet away to travel to the box 1ft away than to back track 99 ft. I forget they clarified that part, in what-the1999, when I started out it was not so understood and a bit muddled. Keep up with tech in just 5 minutes a week! If the box at one end is grounded, it would ground the armor but I think but am not sure that the code enforces grounding of both ends for bonding purposes. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. Will check another. Did you use a clamp rated for the type of cable you are using (AC or MC)? Dont push too hard you just want to cut through the cover.Armoured cable PVC cover trimmed up. Cutting a hole in the plastic box may be amaturish but I "am" an amateur :-) That said, I don't want any problem when it gets inspected so I may change to a metal box. NEC 200.7 (C) (2) Where a cable assembly contains an insulated conductor for single-pole, 3-way or 4-way switch loops and the conductor with white or gray insulation or a marking of three continuous white stripes is used for the supply to the switch but not as a return conductor from the switch to the switched outlet. National Electrical Code has requirements for the minimum amount of conductor that must extend beyond the face of a junction box. If the metal box is along side the plastic CU or whatever, then the cores of the SWA can pass through the metal box that holds the gland, straight into the plastic one, without actually having extra joins in the metal box. declared as conforming to the mechanical, electrical and sealing specifications required. Therefore, it maintains an "internal" bond to itself. Just use a normal IP65 plastic adapt box and drill your 20mm holes to suit and fasten gland or copex with nut !!!!!!! Twist the exposed ends of the same-colored wires together with a pair pf pliers. Interesting question regarding bonding. Electrical caulk for MC PVC cable connectors. VAT 7.15 qty Select from 6 variations . The storm gland has a tough polymer outer and brass inner to make a good connection with the earth . Step 5: Cut the cable. A small bolt is then pushed up through from the base and through the small end of the banjo. Once connected up the electrician then fully tested everything to ensure it was safe and then turned the power back on to run a live test.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'diydoctor_org_uk-mobile-leaderboard-2','ezslot_19',815,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-mobile-leaderboard-2-0');10mm cable from consumer unit connected to armoured cable, 10mm cable from consumer unit connected to armoured cable. <a title="How To Connect Armoured . Don't forget the armour must be earthed. 3. 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. Can Conduit Fittings be returned? Free shipping for many products! Single pair shielded thermocouple extension cables shall be used between thermocouple head and junction boxes / transmitters / local control panel mounted instruments. The trench is then back filled with soil. Cable Gland Installation Guidelines. Light fixtures can be supported by metal junction boxes; plastic junction boxes will break under the weight. First slip the earth tag over the threaded sleeve and then push the sleeve up through the base of the enclosure and then pop the threaded sleeve retaining nut on the shredded sleeve and then screw it down and tighten fully with a spanner. If the manufacturer doesn't say it's approved for a particular wiring method, then it's not approved.". Your email address will not be published. Work gloves are handy when working with armored cable. Step 2: Check the gland pack. Plastic Submersible Cord Grips. With a hacksaw at 90 degrees to the armor spiral. patress box, weather proof enclosure, consumer unit etc. Use it to try out great new products and services nationwide without paying full pricewine, food delivery, clothing and more. Local codes may require more. Retain the label or package for later inspection. To create this article, volunteer authors worked to edit and improve it over time. We use cookies to make wikiHow great. No grounding requirements. Find many great new & used options and get the best deals for Junction Box Waterproof ABS Plastic Accessories Connecting Dustproof Electrical at the best online prices at eBay! We would always recommend earthing at both ends however.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'diydoctor_org_uk-mobile-leaderboard-1','ezslot_18',688,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-mobile-leaderboard-1-0'); One final point to note is that even if you are using one of the inner cores as an earth you must still earth the steel armouring at one end to bond the armouring.

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how to connect armoured cable to plastic junction box