\u00a9 2023 wikiHow, Inc. All rights reserved. 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). I was using 100 ft as an example. Duh, don't know why I thought I could do that". JavaScript is disabled. Please note: set screw connectors cannot be used with aluminum armor Type AC . That does not sound like an approved permanent wiring method. the box you depict in your reply is not a standard use plastic box. To keep the cable in place and prevent any drooping or possibility of snagging a cleat should be placed at least every 450mm.Armoured cable mounting cleat. Steps in splicing aerial tap joint. Light fixtures can be supported by metal junction boxes; plastic junction boxes will break under the weight. 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. Expose the Electrical Wire Rotate. 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. wikiHow is a wiki, similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Need a bonding expert to chime in on this. Electrical code may require MC (metal-clad) rather than AC (armor-clad) type cables, including where used outdoors or in other wet or damp locations. Is BX cable required in NY in a one-story church assembly area? 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. 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. . For a better experience, please enable JavaScript in your browser before proceeding. With a 3 core armoured cable you will have brown, black and grey inner cores and they are often used as follows: As you can see from the above, the black is generally used as the earth and it should be sleeved with earthing sleeve to indicate this. of concrete, Type MI, MC, or AC cable." Home > DIY How To Projects and Tutorial Guides > How to Connect and Wire up Armoured Cable or SWA Cable. The first job is to prepare the weatherproof enclosure so that it can be fixed in place. 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. It may not display this or other websites correctly. This may seem like a lot but then if you consider the potential for damage that could occur from any number of install situations and from the elements and the potential injuries that could result if the cable is compromised in any way then the number of layers is about right. Installation of cable glands must be carried whilst following the appropriate codes of practice, local regulations and in accordance with manufacturer guidelines. The consent submitted will only be used for data processing originating from this website. Free shipping for many products! Select the supplier or trade you require, enter your location to begin your search. Now you can turn the power back on and check to see that your connections are working. 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. When installing SWA steel wired armoured cable it best to use 3 core - 1.Phase / Live, 2.neutral, 3.CPC Earth. I went and looked, it was the 1999 when boxes were section 370 and dashes were still used. In terms of the earth cable, you should use this should reflect the size of armoured cable you are using e.g. 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. Step 5: Cut the cable. The short aluminum "wire" is the bonding strap and can be cut off. With the NM electrical cable protruding from the box, rip off the sheathing with the cable ripper. For MC cable, the armor is not an EGC, there is a green EGC for that. Continue with Recommended Cookies.

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