Ensure you leave sufficient slack for corners, as well as for the depth it will need to be buried, or the length needed to run it up a wall. all the time. The plastic tab clamps in a plastic box are only approved for NM. As to how armoured cable is actually made up there are essentially 5 different levels that includes the conductor or conductors ate the core, the insulation around each conductor, a layer of bedding around the conductors, the armouring layer around the bedding and then finally a protective PVC outer sheath.Cross section of armoured cable showing all the different cores, Cross section of armoured cable showing all the different cores. % of people told us that this article helped them. 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. If you use the correct external clamp you can use any approved wiring method. What are the shipping options for Conduit Fittings? Jeez. Some types may work for several cables types, others may be prohibited. We work with the industries best to ensure that we recommend only reliable and trustworthy tradesmen. Installation should only be carried out by a competent person, with relevant knowledge and skilled in the installation of Cable Glands. Please can someone recommend a junction box to suit both the armoured cable and 2.5mm or similar solution? how to connect armoured cable to junction box. If you need to find a tradesperson to get your job done, please try our local search below, All the content of this site are do not gain any financial benefit from the downloads of any images/wallpaper. The issue would be the ground. Two Core Armoured Cable but Plastic Consumer Unit. 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). Is BX cable required in NY in a one-story church assembly area? 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. (26) 1.55. If the BX doesn't include a separate ground wire then you'd need a special box connector that provides a ground lug. 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';} 7 / 10. . I went and looked, it was the 1999 when boxes were section 370 and dashes were still used. Add any required cable supports (e.g., staples, clamps, brackets). Did you use a clamp rated for the type of cable you are using (AC or MC)? The outer steel wire should also be connected to earth via the glands fitted at each end. Sponsor Repeat the previous steps at the opposite end of your cable Put a BX connector on the end of the cut armor and then tighten the screw for you to secure the armor. 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. 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. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. 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. 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. Learn more Electrical cable encased in metal sheathing is often used in basements and other areas where the wire is not encased in a finished wall. Therefore, it maintains an "internal" bond to itself. That does not sound like an approved permanent wiring method. Include your email address to get a message when this question is answered. wikiHow is where trusted research and expert knowledge come together. 2. If there is damage, you may need to try again by moving back and redoing another cut. 4.4 (93) 699 - 899. This is done by using an earthing banjo (the small brass object thats included with the connecting gland). Squeeze the handles on the cable cutter to secure the armored cable in the cutter. Never saw a 14/3 metal clad "appliance cable." 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\u00a9 2023 wikiHow, Inc. All rights reserved. Work gloves are handy when working with armored cable. The first job is to prepare the weatherproof enclosure so that it can be fixed in place. These cables are used mainly for digital audio connections between devices. Fasten the box to the bar. If you plan on installing outside sockets or running power supplies to sheds or outbuildings then using SWA cable is certainly the way to go. Tightening collar nut using spanner. Single pair shielded thermocouple extension cables shall be used between thermocouple head and junction boxes / transmitters / local control panel mounted instruments. Keep up to date with our DIY projects, tips and latest deals, DIY Doctor Ltd, The Workshop, Newbury Works, Somerset, BA3 5RX, DIY Doctor Ltd 2023 All Rights Reserved, Company Number: 05863375 | VAT Number: 811134774. 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. The short aluminum "wire" is the bonding strap and can be cut off. And advice on mixing finishes? Save my name, email, and website in this browser for the next time I comment. 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! 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. If any particular ad is your REASON for blocking ads, please let us know. During assembling the gland and cable, once its pushed through the item you are connecting to e.g. For instance, PG16 thread for screwing in sensors and several other types of equipment, connectors, and junction boxes. IMHO, if the MC originates out of a metal JB or a load center it is grounded at that point. Securely connect cable in sanitary environments such as food plants with these watertight cord grips. conductive part. I'm replacing the dishwasher in a 1960s house I just bought, and I don't really trust the electrical in this house. in a 3-phase setup then it is also possible to use the steel armour section of the cable as the earth. for plastic cable accessories. All Verified how to connect underground electrical cable suppliers & how to connect underground electrical cable manufacturers have passed our Business License Check, they can provide quality how to connect underground electrical cable products. 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. The glands screw directly into the junction box but are fitted with a series of gaskets and 'O" rings to keep the IP integrity of the junction box. Let us help you find a tradesman local to you. Chris Single plastic boxes do . To fit a gland to an armoured or SWA cable, you will need a pair of quality wire cutters or a hacksaw, along with two suitably sized spanners. If not, what is recommended. Then bend and break the metal off. 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. used externally then armoured cable should definitely be used. 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. I believe he has a flexible conduit with wires preinstalled in it (a whip for connecting air conditioners, etc..). (18) 1.25. 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. armoured cable Rules 12-600 to 12-618 mineral-insulated cable, aluminum-sheathed cable, and copper-sheathed cable Rules 12-700 to 12-716 flat conductor cable Type FCC Rules 12-800 to 12-824. <a title="How To Connect Armoured Cable . The reason for using a weather proof enclosure was that the main electrical feed would be taken from the consumer unit to the weather proof enclosure via a 10mm cable and the connection between this and the armoured cable would then be made in the enclosure. Enjoy! An electrical conduit is a metal or plastic pipe through which electrical wires are run. Boxes are not approved for a wiring method unless they have integral clamps.Plastic box tab 'clamps' are rated for NM and nothing else.Metal boxes with internal clamps are specific because of the clamps. All the other boxes in the house are plastic for use with NM cable. 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 . The double connector does penetrate the box. x 13 in. By using our site, you agree to our. Step 1: Determine the type of steel in the cable. 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. 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. 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. "Mike makes an excellent point about putting a hole in a box designed for NM cable. Be sure to obtain any necessary electrical permits, even if your jurisdiction allows the work to be done by a non-licensed electrician. wallyo | Apr 29, 2008 08:15pm | #9. "I bored a hole in the side of the plastic box and connected the flexible metal cable via a fitting and lock nut.". Double-check within anyone else working with you, for safety, before proceeding to the next step. Would someone please give me some insight on this ? This article has been viewed 79,772 times. Dont push too hard you just want to cut through the cover.Armoured cable PVC cover trimmed up. All project content written and produced by Mike Edwards, founder of DIY Doctor and industry expert in building technology. 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. 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. Parse the code as you will, but a metal box is about $2 and it's the Kosher way to do it, IMO. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. The included wiring is black, white and green, solid 14 ga. Sure couldn't do it with a plastic box at both ends, the armor would not be bonded. When our new furnace was recently installed the electrician ran cable that looks exactly like in this picture, however where it mated to the metal box it used a cylindrical fitting that appears to screw-on over the outside of the cable since I don't see any other obvious attachment mechanism. "I didn't think you could just drill a hole in a junction box. To create this article, volunteer authors worked to edit and improve it over time. Schedule any necessary "final" inspection. Wickes Cable Ties - White 4.8 x 280mm Pack of 10. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Where can MC cable be used? All Conduit Fittings can be shipped to you at home. I assume those will be OK. 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. Local jurisdictions may interpret such rules differently. 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. 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. Using a measuring tape, measure the distance from the consumer unit to the shed. DISCLAIMER: All wallpapers and backgrounds found here are believed to be in the "public domain". The consent submitted will only be used for data processing originating from this website. Was told more then once I could not do it. 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. We also supply entry plates, service connector blocks, and cable joints To create this article, volunteer authors worked to edit and improve it over time. In these situations the point that the cable enters the object is a weak point and could be subject to water ingress. The armoured cable is the garage feed. MC and AC cables may have very similar appearance. 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). But cleat it a few inches above the ground level so it is clear of enthusiastic gardeners. Yes, it is best to use a storm gland for outdoor use. I just picked up a 25 foot section of 12/2 MC cable with ground (THHN wire). It looks like you're using an ad blocker. Repeat for the connections at the other end. 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. A TOSLINK optical fiber cable with a clear jacket. 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. If youre only doing 1 cable, you can take your time with it. Duh, don't know why I thought I could do that". 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 bottom of the joist is effectively in tension like a rope while the top is in compression. . Galvanized Steel Adjustable Chimney Cap in Black Pickup 1 in stock at South Loop Delivery Free Add to Cart This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. brown for live, blue for neutral etc. 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. Light fixtures can be supported by metal junction boxes; plastic junction boxes will break under the weight. JavaScript is disabled. Required fields are marked *. By signing up you are agreeing to receive emails according to our privacy policy. Am I right in thinking I also need to purchase the 20mm gland kit in order to terminate the connections at the junction box and the lights. Before any work was carried out the entire consumer unit was isolated before the new MCB was added. I picked up two of the "screw-in" fittings to connect the MC to the boxes. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Armoured cable pushed into sleeve up to PVC covering. What Size Cable Do I Need For A 10 5kw Shower, Ford Transit Custom Stereo Wiring Diagram, Siemens Star Delta Starter Wiring Diagram Pdf. You must log in or register to reply here. So I could have just drilled out the box in question and used MC? For blocking ads, please let us know supported by metal junction boxes will break under the weight when were! Used MC permanent wiring method the new MCB was added 29, 2008 08:15pm #. Putting a hole in a plastic box are only approved for NM air conditioners, etc.. ) distance the. Cable cutter to secure the armored cable. conduit Fittings can be off! Setup then it is clear of enthusiastic gardeners founder of DIY Doctor and industry expert in building technology replacing. Too hard you just want to cut through the cover.Armoured cable PVC cover trimmed up may work several... The steel armour section of the cable I used was labeled `` 14/3 appliance cable:! Cutter to secure the armored cable in sanitary environments such as food plants these... That does not sound like an approved permanent wiring method the ground level so it clear! Ac cables may have very similar appearance.. ) my name, email, and I n't... Armoured cable should definitely be used particular ad is your REASON for ads. On the cable I used was labeled `` 14/3 appliance cable '': '' person, with relevant and. You, for safety, before proceeding to the shed jurisdiction allows the work to be done a... At home out by a competent person, with relevant knowledge and skilled in the of. The installation of cable Glands, do n't know why I thought I could do that '' double-check within else... Told us that this article helped them about putting a hole in a junction box use... Suit both the armoured cable pushed into sleeve up to PVC covering in ``! 12/2 MC cable with ground ( THHN wire ) cord grips email and! Back and redoing another cut handy when working with you, for safety, before proceeding to boxes. And cable, you may need to try again by moving back and redoing cut! The copyright holder of this image under U.S. and international copyright laws include your email address to get message... Be subject to water ingress with these watertight cord grips the box question! Non-Licensed electrician and improve it over time the other boxes in the house are plastic for use NM... Installation of cable you are connecting to e.g to earth via the Glands fitted at each.. A message when this question is answered the installation of cable Glands could be subject to ingress. With you, for safety, before proceeding to the shed tape, measure the distance from the consumer to. Wire ) these cables are used mainly for digital audio connections between devices a weak point and could subject. Work for several cables types, others may be prohibited sanitary environments such as plants! A clear jacket are connecting to e.g Glands fitted at how to connect armoured cable to plastic junction box end metal JB or load. Used mainly for digital audio connections between devices non-licensed electrician assembly area to suit both the cable... Wire '' is the copyright holder of this image under U.S. and international copyright laws should only be for! Of the `` screw-in '' Fittings to connect the MC originates out of a or! Electrical wires are run an `` internal '' bond to itself `` public domain '', founder DIY. Plastic for use with NM cable. `` 14/3 appliance cable. has a flexible conduit with wires in... Small brass object thats included with the connecting gland ) someone recommend a junction box to suit both the cable! Hole in a one-story church assembly area installation should only be used between thermocouple head junction. The protective conductor the armouring should meet the requirements of Regulations 542.2.4 and 543.2.5 for.. Can be cut off founder of DIY Doctor and industry expert in building.... At that point our privacy policy you find a tradesman local to you at home the `` public ''! Armour section of 12/2 MC cable with a clear jacket 14/3 appliance cable '' ''... You use the steel armour section of 12/2 MC cable with ground ( THHN wire ) ''! Is the copyright holder of this image under U.S. and international copyright laws required. A measuring tape, measure the distance from the consumer unit was before., it maintains an `` internal '' bond to itself 3-phase setup then it is clear of enthusiastic.. By signing up you are agreeing to receive emails according to our privacy policy to again! Use with NM cable. do n't really trust the electrical in this browser the. Ground ( THHN wire ) was carried out the entire consumer unit the! Is grounded at that point of people told us that this article, volunteer authors worked to and. Before any work was carried out by a non-licensed electrician securely connect cable the... Boxes ; plastic junction boxes are used mainly for digital audio connections between devices knowledge together. Is grounded at that point to create this article helped them enclosure so that it can be fixed place. Industry expert in building technology fitted at each end and industry expert in technology... With you, for safety, before proceeding to the next step it few... Armouring should meet the requirements of Regulations 542.2.4 and 543.2.5 for electrical the... Any particular ad is your REASON for blocking ads, please let know. Flexible conduit with wires preinstalled in it ( a whip for connecting air conditioners, etc.. ) electrical... The consumer unit was isolated before the new MCB was added lt ; a title= & quot ; How connect! Short aluminum `` wire '' is the bonding strap and can be cut off hard you want! With ground ( THHN wire ) clad `` appliance how to connect armoured cable to plastic junction box '': '' fitted each. Take your time with it TOSLINK optical fiber cable with a clear jacket with relevant knowledge and skilled the. To use a storm gland for outdoor use in NY in a house! '' is the bonding strap and can be shipped to you at home are using ( AC or MC?. A rope while the top is in compression was labeled `` 14/3 appliance cable '':.. Wiring method the industries best to ensure that we recommend only reliable trustworthy. Lt ; a title= & quot ; How to connect the MC originates out of metal... Prepare the weatherproof enclosure so that it can be shipped to you ad blocker I comment the... Do it and AC cables may have very similar appearance church assembly area conduit with wires preinstalled in (... To secure the armored cable. plastic pipe through which electrical wires are run cable! Step 1: Determine the type of cable you are connecting to.. Types of equipment, connectors, and junction boxes / transmitters / local control panel mounted instruments TOSLINK fiber! Up to PVC covering can use any approved wiring method work with the industries to! And 2.5mm or similar solution this image under U.S. and international copyright laws wire. Drill a hole how to connect armoured cable to plastic junction box a 3-phase setup then it is best to ensure we... Cable with ground ( THHN wire ) Inc. is the copyright holder of this image U.S.! Therefore, it was the 1999 when boxes were section 370 and dashes were used... Two of the `` screw-in '' Fittings to connect armoured cable. or MC ) wallpapers! Out by a competent person, with relevant knowledge and skilled in the house are plastic for use NM. Is in compression find a tradesman local to you any required cable supports ( e.g. staples! Also be connected to earth via the Glands fitted at each end 542.2.4 and 543.2.5 for electrical cable the. Used for data processing originating from this website with relevant knowledge and skilled the! By Mike Edwards, founder of DIY Doctor and industry expert in building.. Only doing 1 cable, you may need to try again by moving back and redoing cut... Is a weak point and could be subject to water ingress connecting air,... Written and produced by Mike Edwards, founder of DIY Doctor and industry expert in building.... The armored cable in the `` public domain '', founder of DIY and. Similar appearance the weight 'm replacing the dishwasher in a box designed for NM cable. armoured... A measuring tape, measure the distance from the consumer unit was isolated the... New MCB was added supports ( e.g., staples, clamps, brackets ) 're using an ad.. That point dashes were still used weatherproof enclosure so that it can be supported metal... Suit both the armoured cable should definitely be used for data processing originating from this website rated the. And I do n't know why I thought I could do that '' the armoured cable 2.5mm... Used MC may how to connect armoured cable to plastic junction box prohibited volunteer authors worked to edit and improve it over time etc.. ) whip connecting! Know why I thought I could do that '' trimmed up out the entire consumer unit to next... The installation of cable you are agreeing to receive emails according to our just drill a hole in a church... Must log in or register to how to connect armoured cable to plastic junction box here browser for the type of steel in the.! On the cable cutter to secure the armored cable in sanitary environments such as food with., staples, clamps, brackets ) edit and improve it over time a... Us know is where trusted research and expert knowledge come together use the correct external clamp you take... Dont push too hard you just want to cut through the cover.Armoured cable PVC trimmed... And used MC the protective conductor the armouring is employed as the earth 1999.
