how to connect armoured cable to plastic junction box

If you go to the trouble of making the correct size hole in the box and using an approved clamp you can use other methods, but you still have to watch for the grounding conductor. Our junction boxes, housing for electrical connections, protect connections and provide a safety barrier. Continue with Recommended Cookies. Step 4. Login to save for later ( 13 ) Product code: 59428 Doncaster Cables Armoured Cable Cleats No 7 15mm to 17.8mm 8.58. 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). 3. Did you use a clamp rated for the type of cable you are using (AC or MC)? Chris I guess I'll just use a metal j-box that accepts NM wiring and also MC, then string a length of MC into the firebox. You can just pirana nuts for termination into plastic - they are quite nifty! 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.. It is often used in fire-rated occupancies as an alternative to metallic conduit. Again use two spanners to fully tighten the nut, creating a fully water proofed seal around the cable.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'diydoctor_org_uk-leader-4','ezslot_17',814,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-leader-4-0');Tightening sealed nut, One of the final jobs now is to pull up the PVC cover all the way as far as it will go to the base of the weather proof box.PVC cover pulled up over gland. The short aluminum "wire" is the bonding strap and can be cut off. In the event I run into this situation Ill use a double inlet type mc connector so there is continuous metal contact. Where does it come out of the wall? 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. . I have purchased 1.5mm armoured cable to connect from externally mounted junction box to 2 bulk head lights in the garden. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\n<\/p><\/div>"}. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Traditionally with a twisted copper cable network, you would take into consideration . Where internal bonding means are provided between all entries. You must log in or register to reply here. I didn't think you could just drill a hole in a junction box. Some of the most reviewed products in Conduit Fittings are the Halex 3/8 in. I think I can afford the extra buck fifty :-). The plastic sheathing of NM cable does not shield electric fields. wallyo | Apr 29, 2008 08:15pm | #9. There is an issue of whether a plastic box is listed for a metallic connector, but I am only going to address bonding. 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. Wires coated with insulation that is black, red, or another color are hot wires, carrying power from the service panel to the electrical device. The National Electrical Code prohibits use of BX ( technically named Armored Cable/AC ) in wet locations. (18) 1.25. Is BX cable required in NY in a one-story church assembly area? wikiHow is a wiki, similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Step 3. declared as conforming to the mechanical, electrical and sealing specifications required. The PG series cable glands start from PG7 to PG63 as normal sizes in the worldwide market. In terms of burying armoured cable, it should be buried at 450mm down from the surface with ideally a layer of sand in the base of the trench. 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. Never saw a 14/3 metal clad "appliance cable." The science behind why you don't notch the bottom or top face of a joist is that the highest concentration of stresses are present at the extreme fibers. 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. The main difference between the AC wire and the MC wire is that the metal-clad cable has a standard ground wire, whereas the AC cable relies on a jacket in combination with a wire or thin strip to secure the grounding. These piranha nuts - do they fit onto the armoured cable before the gland ? 4.4 (93) 699 - 899. I drilled a hole through the brick and ran flexible metal cable from the firebox through the brick and wall studs to a plastic junction box a few feet away (no drywall on the walls). The cable was secured to each surface at least every 450mm using armoured cable cleats.Armoured cable cleats fixing armoured cable to a wall, Armoured cable cleats fixing armoured cable to a wall. The easy way around all the 2nd guessing is to just change out the plastic j-box for a metal one. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Ip65 41a 5 terminal weatherproof outdoor adaptable box 110 x 67 110mm junction bo fix com learn the basics on how to work with metal clad cable pvc accessories wall tee manufacturer from delhi esr 100mm ip56 square electrical world 95 57mm toolstation use armored bx 11 steps pictures thuba ltd plastic abs enclosure waterproof standard sizes zhejiang . In these situations the point that the cable enters the object is a weak point and could be subject to water ingress. "Mike makes an excellent point about putting a hole in a box designed for NM cable. When it comes to surface mounting armoured cable it should be clipped up securely to a sturdy solid surface using the correct cable cleats. Therefore, it maintains an "internal" bond to itself. What is wanted is not the will to believe, but the will to find out, which is the exact opposite. 15 Apr 2009 #2 you need to specify if the cable has an earth wire for a definate answer. You are using an out of date browser. See also Filters 10% Off ( 326 ) Product code: 94736 I forget they clarified that part, in what-the1999, when I started out it was not so understood and a bit muddled. If you'd like to support the site, please allow ads. I just picked up a 25 foot section of 12/2 MC cable with ground (THHN wire). all the time. How would you freshen up this exterior on a $10,000 budget! 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. 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 type of cable is available with at least two main wires (live and neutral), where the steel wires are used as an earth. Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. "The cable I used was labeled "14/3 appliance cable":". Thank you! ex. For this the electrician chose to use 10mm SWA cable. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Take a hacksaw blade and cut a ring around where you want it cut. Below, we listed the essential information about the thread nominal size of PG cable glands. 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 third part, Raceways, includes the rules applying to the installation of all types of raceways.It is divided into a general . Keep up with tech in just 5 minutes a week! If for example you are using a 3-core cable but you need all 3 inner cores for other uses e.g. Light fixtures can be supported by metal junction boxes; plastic junction boxes will break under the weight. One important consideration when using armoured cable is how its earthed. This video will help you work with older electrical conduit and junction boxes to connect to modern Romex cable. 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. 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. MP-AP uses the armor for an EGC. 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. In the majority of cases when installing armoured cable it is to run from a property outside to supply either a garage, shed or other outbuilding or to supply an exterior waterproof plug socket box. I don't understand your comment about 100 ft up and 100 ft back. To create this article, volunteer authors worked to edit and improve it over time. Green or bare wires are ground wires. If you use the correct external clamp you can use any approved wiring method. Find junction boxes for a variety of amperages and terminals to suit the purpose, and screwless push in connectors. The best method is to use an armored cable rotary cutter. Finally, strip the coating from the wires with the wire stripper . The cable is 3 core so one core will be the earth , but what if it was 2 - core ? 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. Double-check within anyone else working with you, for safety, before proceeding to the next step. The earthing banjo can also be slipped over the gland before its inserted into your enclosure or consumer unit.Earthing banjo slipped over threaded sleeve, Earthing banjo slipped over threaded sleeve. For the sake of a small extra cost, it is better to purchase 3 core cable, which includes a separate earth lead. 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! If the pictured fitting won't screw into the cable please recommend the proper type. 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';} 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. In this guide we will take a look at SWA cable and how its used. I bored a hole in the side of the plastic box and connected the flexible metal cable via a fitting and lock nut. A tool comprised of a special clamp with a rotary cutter is available for those doing a lot of AC or MC installation. You can do that as long as you use the correct cable clamp to secure the cable to the box. Low smoke and toxic and corrosiand. Solution. Junction boxes (or a J box) protect the connections from accidental damage and contain sparks and heat from a loose connection or short circuit. We might be able to do something about it. AC couldn't be used because there would be no way to ground the device ruling AC out immediately. 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. If you are running the cable down the surface of the wall and not inside the wall, then I would run the cable in EMT on the surface of the wall using one of the clamps mentioned earlier, then to a 4" square box at the end (which gives more room to work compared to a single . Likewise if there is also a chance that it could get damaged by impact force e.g. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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