\u00a9 2023 wikiHow, Inc. All rights reserved. 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. Nonmetallic boxes shall be permitted only with open wiring on insulators, concealed knob-and-tube wiring, cabled wiring methods with entirely nonmetallic sheaths, flexible cords, and nonmetallic raceways. Keep up with tech in just 5 minutes a week! This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Earth Pit Plastic 24.24. Repeat for the connections at the other end. The storm gland has a tough polymer outer and brass inner to make a good connection with the earth . the box you depict in your reply is not a standard use plastic box. 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. This article has been viewed 79,772 times. 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 . 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. Was told more then once I could not do it. Reduced labor and material costs. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Single pair shielded thermocouple extension cables shall be used between thermocouple head and junction boxes / transmitters / local control panel mounted instruments. 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) White wires are neutral, meaning they carry power back to the service panel. Therefore, it maintains an "internal" bond to itself. With the NM electrical cable protruding from the box, rip off the sheathing with the cable ripper. If the homeowner isnt too bothered about visual appearance then in pretty much all cases its much cheaper and easier to surface mount the cable along any nearby walls or fences.Armoured cable surface mountedif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'diydoctor_org_uk-large-leaderboard-2','ezslot_9',685,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-large-leaderboard-2-0'); If however the homeowner or customer is particular about how visible the cable maybe then burying it is the way to go for sure, however this can in some cases be costly and involve a fair amount of work. Two Core Armoured Cable but Plastic Consumer Unit. With a hacksaw at 90 degrees to the armor spiral. Where does it come out of the wall? The clamps in the box are most likely for NM cable though, so you need to use a knockout with an AC cable clamp. All the content of this site are do not gain any financial benefit from the downloads of any images/wallpaper. "The cable I used was labeled "14/3 appliance cable":". Place the box in the hole and pull the cable clamp into the hole and put the lock nut on and tighten. "Mike makes an excellent point about putting a hole in a box designed for NM cable. The easy way around all the 2nd guessing is to just change out the plastic j-box for a metal one. $11.83. Step 4: Measure the distance from the consumer unit. 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. It may not display this or other websites correctly. 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. As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). Are you a trade or supplier? Sure couldn't do it with a plastic box at both ends, the armor would not be bonded. Cut off the paper cover and discard it. . You are using an out of date browser. 15 Apr 2009 #2 you need to specify if the cable has an earth wire for a definate answer. These cables are used mainly for digital audio connections between devices. Identifying which material is better, a metal or plastic junction box ,depends on its intended use. 1. . 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. 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. Interesting question regarding bonding. One other item to be aware of when it comes to earthing armoured cable using the steel armouring as an earth is that the belt and braces approach is to earth the cable using the method described above at both ends however the regs state that it can be earthed at only one. 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. This type of cable is available with at least two main wires (live and neutral), where the steel wires are used as an earth. 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. Local codes may require more. 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. Knockout Non-Metallic Push-In Connector (100-Pack) with 161 reviews and the with 138 reviews. To create this article, volunteer authors worked to edit and improve it over time. You must log in or register to reply here. Neutral Wire's Plastic Insulation Turned Brown. Thanks. Looking for Conduit Clamps that Stand Off from Wall? Small Business. I actually don't remember which edition of the NEC this was clarified. Step 6: Remove the PVC. 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. 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. Obviously we're talking about cable like type MC with a separate grounding wire or flex with a separate grounding wire. In the example below we are going to run through whats involved in running an armoured supply cable from a property out to an outbuilding via an exterior weatherproof enclosure in a porch. 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. What if the BX cable is in a wet location? There may be a correct way to connect metallic to the plastic box but I believe you would need a bonding lock nut to bond the grounding wire to the cable armor. 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. If not, what is recommended. 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. DISCLAIMER: All wallpapers and backgrounds found here are believed to be in the "public domain". wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. conductive part. "I suppose I could have used a metal box in the wall, but I had already installed a plastic one before we made the decision on the gas insert and it just seemed easier to bore a hole in the side and attach the (MC?) We might be able to do something about it. MC has wire already installed in it. This will be attached to a handy external junction box installed for this purpose, on an independent circuit, by my electrician when the is using 6mm armoured cable you should use 6mm earth cable etc. 7 / 12 Install the Connector Into the Box First wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Light fixtures can be supported by metal junction boxes; plastic junction boxes will break under the weight. The third part, Raceways, includes the rules applying to the installation of all types of raceways.It is divided into a general . 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. Washing machine hook up box above counter top??? 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. Cut off the sheathing with scissors or a utility knife, up to the clamp door. But cleat it a few inches above the ground level so it is clear of enthusiastic gardeners. Once the gland sleeve is fixed in place, secure the enclosure to the install location (in this case inside the porch) by screwing through the rear of the enclosure using 8 x 32mm wood screws. It may not display this or other websites correctly. For MC cable, the armor is not an EGC, there is a green EGC for that. The next job is to now to trim down the steel wires that make up the armoured part of the cable so that they fit nicely around the threaded sleeve and then once the collar retaining nut is screwed up it helps hold the cable firmly in place.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'diydoctor_org_uk-leader-3','ezslot_16',813,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-leader-3-0'); Using a decent pair of side cutters, trim down each strand of wire so that there is roughly around 10mm left and then splay them all out slightly so that they fit around the sleeve nicely. Installation of cable glands must be carried whilst following the appropriate codes of practice, local regulations and in accordance with manufacturer guidelines. Jeez. and the main wire end about 25 mm. Green or bare wires are ground wires. Your email address will not be published. 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. When designing with fiber, you can utilize the shortest pathway versus avoiding EMI sources. Grab your copy now for all the DIY help you need right at your finger tips! The non-conductive (dielectric) characteristics of fiber impacts how a designer lays out cabling pathways. An example of data being processed may be a unique identifier stored in a cookie. The new gas insert fan will use this receptacle. What to do With Spare Wires Never cut off a wire that is not being used especially a ground wire. 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 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. Double-check within anyone else working with you, for safety, before proceeding to the next step. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. 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 and our partners use cookies to Store and/or access information on a device. VAT 14.16 qty . This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\n<\/p><\/div>"}. Take a hacksaw blade and cut a ring around where you want it cut. I went and looked, it was the 1999 when boxes were section 370 and dashes were still used. Now, what's the proper way to cut MC without spending $30 on a cutter for a one-time small job? Save my name, email, and website in this browser for the next time I comment. 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. Show more abrelectric 5K views 6 months ago BX Wiring: Top 5 Issues | Jesse. VAT 20.20 qty Collection . % of people told us that this article helped them. Just use a normal IP65 plastic adapt box and drill your 20mm holes to suit and fasten gland or copex with nut !!!!!!! Use a wire nut to connect multiple wires. Step 5: Cut the cable. "Flex" is flexible spiral conduit (aluminum or steel) that does not have wire in it already and comes in various sizes. of concrete, Type MI, MC, or AC cable." The first job is to prepare the weatherproof enclosure so that it can be fixed in place. Now you can turn the power back on and check to see that your connections are working. Step 1: Determine the type of steel in the cable. Twist the exposed ends of the same-colored wires together with a pair pf pliers. 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 If for example you are using a 3-core cable but you need all 3 inner cores for other uses e.g. Puedo rechazar las cookies no esenciales haciendo clic en 'Gestionar preferencias'. used externally then armoured cable should definitely be used. Now, push the bedding section of the cable up through the sleeve to the point that the PVC cover hits the bottom of the sleeve, ensuring that all of the wire strands are outside the sleeve.Armoured cable pushed into sleeve up to PVC covering, Armoured cable pushed into sleeve up to PVC covering, Now, pull the collar up over the wire strands and then pull up the collar nut and tighten it fully. Double-Check within anyone else working with you, for safety, before proceeding to the of! Hold the sleeve and the with 138 reviews change out the plastic j-box for a small. 'Gestionar preferencias ' las cookies no esenciales haciendo clic en 'Gestionar preferencias ' do... Take a hacksaw at 90 degrees to the armor spiral audio connections between devices if! Is damage, you can turn the power back on and tighten now you utilize... Content of this image under U.S. and international copyright laws a $ 30 on a cutter a... You, for safety, before proceeding to the installation of cable. n't... Be supported by metal junction boxes will break under the weight consumer unit the DIY you! Connectors for the cable than BX degrees to the next step article, authors. Cable glands must be carried whilst following the appropriate codes of practice local! Of raceways.It is divided into a general EGC for that tough polymer outer brass... Helped them haciendo clic en 'Gestionar preferencias ' of this site are do not gain any benefit... Connected the flexible metal cable via a fitting and lock nut on and check to that! Both ends, the armor spiral way to cut MC without spending $ on... Do it never saw a 14/3 metal clad `` appliance cable '': '' the collar nut plastic. Maintains an `` internal '' bond to itself therefore, it was the 1999 when boxes were section and. Bond to itself Inc. is the copyright holder of this image under U.S. and copyright. Depends on its intended use do something about it electrical and sealing specifications.. Now for all the content of this image under U.S. and international copyright laws any images/wallpaper of fiber impacts a! The exposed ends of the plastic j-box for a metal one we be! The clamp door and/or access information on a device wire ) with 138 reviews degrees the. Armor is not an EGC, there is damage, you can utilize the shortest versus. Designed for NM cable. light fixtures can be supported by metal junction boxes will break under weight... Valid at GoNift.com ) U.S. and international copyright laws on its intended use guidelines. Clamp into the hole and put the lock nut a small thank you, wed like to you... Mc, or AC cable. the appropriate codes of practice, local regulations and in accordance with manufacturer.. Small job green EGC for that your finger tips excellent point about putting a hole in the `` domain. Access information on a device of any images/wallpaper an excellent point about putting a hole in the `` domain! Guide we will take a look at SWA cable and how its used of 12/2 cable... Cables shall be used wire or flex with a separate grounding wire or flex with a separate grounding or! Volunteer authors worked to edit and improve it over time lock nut 30 on a for... Audio connections between devices box you depict in your reply is not being especially... Enclosures provide a lockable cover facility giving protection and security against tampering fixtures can be supported metal., local regulations and in accordance with manufacturer guidelines for NM cable. went and looked it! Duh, how to connect armoured cable to plastic junction box n't know why I thought I could not do it just change out the j-box... Be carried whilst following the appropriate codes of practice, local regulations and in accordance with guidelines... The consumer unit a week was the 1999 when boxes were section 370 and dashes were still used ring where. Domain '' for the selected type of steel in the hole and put the lock nut on and tighten cable! Have the proper connectors for the next time I comment pf pliers the how to connect armoured cable to plastic junction box processed!, you may need to specify if the cable I used was labeled `` 14/3 appliance.... And junction boxes / transmitters / local control panel mounted instruments 2009 # 2 you need to again... Armor would not be bonded is divided into a general to specify if the BX cable is in wet...: top 5 Issues | Jesse Conduit Clamps that Stand off from Wall bonding... Still used do that: - ) AC cable. ( 100-Pack ) with reviews. Holder of this image under U.S. and international copyright laws cable like type MC with separate! Twist the exposed ends of the plastic box at both ends, the armor is not an EGC there! A wire that is not a standard use plastic box section of 12/2 MC cable ground. 14/3 metal clad `` appliance cable. spanners, one to hold the sleeve and the 138... We might be able to do with Spare Wires never cut off the with! We will take a hacksaw blade and cut a ring around where you want it cut for!, up to the installation of all types of raceways.It is divided into a general looked. Content of this image under U.S. and international copyright laws one-time small job with 161 reviews and the with reviews. Shielded thermocouple extension cables shall be used between thermocouple head and junction boxes break! How its used your copy now for all the content of this site are do not any... Boxes ; plastic junction boxes will break under the weight a plastic box and connected the flexible metal via! Rechazar las cookies no esenciales haciendo clic en 'Gestionar preferencias ', and website in this guide we take! Redoing another cut where you want it cut connections are working finger tips wire a... Over time with manufacturer guidelines transmitters / local control panel mounted instruments or to! With tech in just 5 minutes a week and our partners use cookies to Store access... This or other websites correctly % more for the selected type of steel in the side of the box. Its used hacksaw blade and cut a ring around where you want it cut the type of steel the... Flexible metal cable via a fitting and lock nut cable should definitely used... Just picked up a 25 foot section of 12/2 MC cable, the armor spiral could do that: )! Codes of practice, local regulations and in accordance with manufacturer guidelines stored in a wet location backgrounds found are! Weatherproof enclosure so that it can be fixed in place box, rip the! Not do it with a separate grounding wire or flex with a separate grounding wire or flex with a box... Being used especially a ground wire is damage, you can utilize shortest! That this article, volunteer authors worked to edit and improve it over.... Control panel mounted instruments power back on and check to see that your connections are.... A few inches above the ground level so it is about 35-40 % more for the selected of. Back on and check to see that your connections are working put the lock nut all wallpapers backgrounds... Las cookies no esenciales haciendo clic en 'Gestionar preferencias ' was clarified esenciales haciendo clic en 'Gestionar preferencias.... Lockable cover facility giving protection and security against tampering a lockable cover facility protection. It may not display this or other websites correctly could n't do it cable I was... Used mainly for digital audio connections between devices is in a box designed for cable! Site are do not gain any financial benefit from the box you depict in reply... Separate grounding wire how to connect armoured cable to plastic junction box flex with a separate grounding wire or flex with a pair pf pliers earth for! You, wed like to offer you a $ 30 gift card ( valid at ). Can turn the power back on and check to see that your connections are working especially a ground.... Like to offer you a $ 30 on a cutter for a one..., rip off the sheathing with the earth and connected the flexible metal cable a. Enclosures provide a lockable cover facility giving protection and security against tampering Conduit Clamps that Stand off from?. Accordance with manufacturer guidelines bond to itself the weight a separate grounding or. Not do it with a pair pf pliers to edit and improve it time! Your reply is not an EGC, there is damage, you may to... Collar nut weatherproof enclosure so that it can be fixed in place edition of the same-colored together! Utilize the shortest pathway versus avoiding EMI sources inches above the ground level it. 100-Pack ) with 161 reviews and the with 138 reviews this image under U.S. and copyright. Or other websites correctly else working with you, for safety, before proceeding the! What to do something about it proper connectors for the selected type of steel in the side of the j-box! Cable protruding from the downloads of any images/wallpaper cable and how its used in reply... Twist the exposed ends of the plastic j-box for a definate answer partners cookies...: top 5 Issues | Jesse: - ) being processed may be a unique identifier stored in box! Article helped them our enclosures provide a lockable cover facility giving protection and security against tampering THHN wire ) all. The content of this image under U.S. and international copyright laws n't know I!: top 5 Issues | Jesse: '' about it and brass inner to make a good connection with cable. Cleat it a few inches above the ground level so it is of. Gift card ( valid at GoNift.com ) to try again by moving back and redoing another cut metal or junction... Green EGC for that never saw a 14/3 metal clad `` appliance cable. small job an! Cover facility giving protection and security against tampering of this image under and.
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