Note: Installing SWA armoured cable is Part P notifiable work and not something that can be done on a DIY basis and should only be done by a qualified electrician with the necessary experience to fully test the install once complete! Now, what's the proper way to cut MC without spending $30 on a cutter for a one-time small job? Yes, it is best to use a storm gland for outdoor use. 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. Obviously we're talking about cable like type MC with a separate grounding wire or flex with a separate grounding wire. 2. To create this article, volunteer authors worked to edit and improve it over time. BX cable, more properly known as Type AC, does not have a copper ground. 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. 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. % of people told us that this article helped them. Sure couldn't do it with a plastic box at both ends, the armor would not be bonded. Attach conduit and armored cable to a knockout in an outlet box or enclosure. Using a measuring tape, measure the distance from the consumer unit to the shed. Personalizar mi experiencia con el uso de cookies, Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists. This type of cable is available with at least two main wires (live and neutral), where the steel wires are used as an earth. One important consideration when using armoured cable is how its earthed. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Is it ok to terminate an armoured cable directly into a plastic 2 -way garage consumer unit providing the brass ring is used with the gland kit for the earth return ? 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. 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. 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. Ready to join the 100,000+ homeowners matched with pros? Type MC cables may be installed indoors or outdoors, in wet or dry locations, hazardous locations (Class I, Division I), in cable tray, as aerial cable on a messenger, in any approved raceway, direct burial (where identified), or encased in concrete (where identified). It may not display this or other websites correctly. Dont push too hard you just want to cut through the cover.Armoured cable PVC cover trimmed up. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. used externally then armoured cable should definitely be used. Will check another. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'diydoctor_org_uk-medrectangle-4','ezslot_4',691,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-medrectangle-4-0');To these ends the regulations state that in these situations special cable known as armoured or SWA (steel wire armoured) cable must be used as its both resistant to the elements and its protective steel casing ensures resistance to any impact damage. 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. Retain the label or package for later inspection. Double-check within anyone else working with you, for safety, before proceeding to the next step. Don't forget the armour must be earthed. 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. 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. Local jurisdictions may interpret such rules differently. Step 6: Remove the PVC. 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. Just use a normal IP65 plastic adapt box and drill your 20mm holes to suit and fasten gland or copex with nut !!!!!!! The outer steel wire should also be connected to earth via the glands fitted at each end. ins.style.display='block';ins.style.minWidth=container.attributes.ezaw.value+'px';ins.style.width='100%';ins.style.height=container.attributes.ezah.value+'px';container.appendChild(ins);(adsbygoogle=window.adsbygoogle||[]).push({});window.ezoSTPixelAdd(slotId,'stat_source_id',44);window.ezoSTPixelAdd(slotId,'adsensetype',1);var lo=new MutationObserver(window.ezaslEvent);lo.observe(document.getElementById(slotId+'-asloaded'),{attributes:true});When running any electrical cables externally any cable thats used has to be both safe for use outside and able to resist the elements and also needs to be able to resist any potential damage, especially if it is buried underground. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/1b\/Use-Armored-%28BX%29-Electrical-Cable-Step-3.jpg\/v4-460px-Use-Armored-%28BX%29-Electrical-Cable-Step-3.jpg","bigUrl":"\/images\/thumb\/1\/1b\/Use-Armored-%28BX%29-Electrical-Cable-Step-3.jpg\/aid1662092-v4-728px-Use-Armored-%28BX%29-Electrical-Cable-Step-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\u00a9 2023 wikiHow, Inc. All rights reserved. Use a standard steel adaptable box, Armoured gland into one side & standard Sprint or similar cable gland into the other for the 6mm. Unlike standard electrical cable, armoured cable inner core wires are coloured slightly differently than standard electrical cables. 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. If the armored cable is BX without a copper ground, use a metal junction box and attach the Romex grounds to the metal box preferably with a ground screw and pigtail (stinger). digging in the ground, pinching or crushing e.g. Likewise if there is also a chance that it could get damaged by impact force e.g. Some of the most reviewed products in Conduit Fittings are the Halex 3/8 in. Never saw a 14/3 metal clad "appliance cable." . Installing and connecting up SWA cable is notifiable work and should only be carried out by a qualified Part P registered electrician. Push all the wires into the box before sealing it. When it comes to surface mounting armoured cable it should be clipped up securely to a sturdy solid surface using the correct cable cleats. Manage Settings Wickes Cable Ties - White 4.8 x 280mm Pack of 10. The same is the case for the other cores, if using other than standard then you need to indicate this through the use of tape or sheathing for the correct colour e.g. MC and AC cables may have very similar appearance. In this guide we will take a look at SWA cable and how its used. 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. 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. And advice on mixing finishes? 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 Step 4. Oh,it might pass. Work gloves are handy when working with armored cable. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c5\/Use-Armored-%28BX%29-Electrical-Cable-Step-6.jpg\/v4-460px-Use-Armored-%28BX%29-Electrical-Cable-Step-6.jpg","bigUrl":"\/images\/thumb\/c\/c5\/Use-Armored-%28BX%29-Electrical-Cable-Step-6.jpg\/aid1662092-v4-728px-Use-Armored-%28BX%29-Electrical-Cable-Step-6.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\u00a9 2023 wikiHow, Inc. All rights reserved. Often small pieces of metal will break off and they can be very sharp. Notching in the bottom substantially increases the compression in the top, creates a point of . Strip the tap wire end about 75 mm. Learn how to use armoured cable glands to connect to consumer units, weather proof enclosures and the similar when using armoured or SWA cable to run to and power garages, out buildings and similar structures. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This will be attached to a handy external junction box installed for this purpose, on an independent circuit, by my electrician when the In summary if a cable is to be run externally, regardless of whether its buried or surface mounted or is going to be used in industrial locations around heavy machinery then armoured cable should always be used.Armoured cable running externally from a house to a garageif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'diydoctor_org_uk-banner-1','ezslot_6',684,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-banner-1-0'); Armoured cable running externally from a house to a garage. 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. Need a bonding expert to chime in on this. 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. We also supply entry plates, service connector blocks, and cable joints In this case it will be fixed inside a porch area. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/b9\/Use-Armored-%28BX%29-Electrical-Cable-Step-8.jpg\/v4-460px-Use-Armored-%28BX%29-Electrical-Cable-Step-8.jpg","bigUrl":"\/images\/thumb\/b\/b9\/Use-Armored-%28BX%29-Electrical-Cable-Step-8.jpg\/aid1662092-v4-728px-Use-Armored-%28BX%29-Electrical-Cable-Step-8.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\u00a9 2023 wikiHow, Inc. All rights reserved. Step 1: Determine the type of steel in the cable. My guess is that since the cable is exposed in a habitable portion of the house, it needs to be in either a conduit or armored. The National Electrical Code prohibits use of BX ( technically named Armored Cable/AC ) in wet locations. For this you will need 2 spanners, one to hold the sleeve and the other to tighten the collar nut.Tightening collar nut using spanner, The penultimate job now is to screw up the sealed nut up to the sleeve. 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. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. wikiHow is a wiki, similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Identifying which material is better, a metal or plastic junction box ,depends on its intended use. what screw in fittings are you talking about? http://www.tlc-direct.co.uk/Main_Index/Earthing_Index/Piranhna_Earth_Nuts/index.html, Armour cable connection to a consumer box?/. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. However, you should always use a flat head screwdriver and hammer to gently tap the lock nut until it is tightened very securely. Below, we listed the essential information about the thread nominal size of PG cable glands. Schedule any necessary "final" inspection. Continue with Recommended Cookies. Furthermore, you'll need to pry out or punch out a 1/2" trade size (7/8" actual diameter) knockout either in the top or a free side of the box, then use a type AC/MC connector (straight for a top feed, 90 aka right-angle for a side feed) to bring the cable into the box. The storm gland has a tough polymer outer and brass inner to make a good connection with the earth . 1. If you need to find a tradesperson to get your job done, please try our local search below, This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/d6\/Use-Armored-%28BX%29-Electrical-Cable-Step-9.jpg\/v4-460px-Use-Armored-%28BX%29-Electrical-Cable-Step-9.jpg","bigUrl":"\/images\/thumb\/d\/d6\/Use-Armored-%28BX%29-Electrical-Cable-Step-9.jpg\/aid1662092-v4-728px-Use-Armored-%28BX%29-Electrical-Cable-Step-9.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\u00a9 2023 wikiHow, Inc. All rights reserved. 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"? We do not intend to infringe any legitimate intellectual right, artistic rights or copyright. The cable I used was labeled "14/3 appliance cable" and is 6 ft long, with attached end connectors which thread onto the flexible metal conduit and have a threaded open end with a thin jam nut. Assuming I change out the cable to MC, can I still connect it to the plastic j-box as long as their is a separate ground wire for the receptacle in the firebox, or do your recommend I change that one j-box to a metal box? 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. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>
\n<\/p><\/div>"}. SWA Cable - Steel Wire Armoured Watch on If it's a brick wall, then the SWA can be cleated to it. armored cable extending from the appliance should be connected directly to the junction box. Knockout Non-Metallic Push-In Connector (100-Pack) with 161 reviews and the with 138 reviews. 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. You are using an out of date browser. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. I bored a hole in the side of the plastic box and connected the flexible metal cable via a fitting and lock nut. Grab your copy now for all the DIY help you need right at your finger tips! An electrical conduit is a metal or plastic pipe through which electrical wires are run. - 1/2 in. Earth Pit Plastic 24.24. "I bored a hole in the side of the plastic box and connected the flexible metal cable via a fitting and lock nut.". This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. 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. With the hole created the next job is to install the gland in the base of the weatherproof enclosure. Once in place the 10mm cable was then connected up to the MCB and run out to the enclosure and then connected to the SWA cable.