is using 6mm armoured cable you should use 6mm earth cable etc. Yellow electrical cable trench warning tape. Certain wiring outside of fire-rated construction may use non-metallic-sheathed cable, AC, or non-metallic rigid conduit. The plastic sheathing of NM cable does not shield electric fields. Required fields are marked *. Yes, it is best to use a storm gland for outdoor use. Apparently there was some mis-communication about the use of plastic boxes with metallic clad cable. Jeez, those sections look wierd now. That cable needs to attach to a metal box. MP-AP uses the armor for an EGC. Step 4: Measure the distance from the consumer unit. I hope this isn't one of those Code changes that escaped me again but I've been told by a CEU instructor that it is Code compliant to terminate MC cable in plastic JB's. Single pair shielded thermocouple extension cables shall be used between thermocouple head and junction boxes / transmitters / local control panel mounted instruments. It would be better for the fault 99 feet away to travel to the box 1ft away than to back track 99 ft. Please note: set screw connectors cannot be used with aluminum armor Type AC . The optical fiber elements are typically . "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?) those boxes dont have those 1/2" knockouts in them. you need to specify if the cable has an earth wire for a definate answer. Before any work was carried out the entire consumer unit was isolated before the new MCB was added. Tightening collar nut using spanner. I think that the intent is to have maintain ground connection of the metallic raceway when a plastic box usually insulates between two kos. 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. Sometimes a steel connection box can be used inside the property, thus terminating the earth / SWA and converting to T&E to consumer unit. An example of data being processed may be a unique identifier stored in a cookie. 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. 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. Modern conduit is made of rigid metal that can be bent into elbows, plastic that includes pre-bent elbows, and flexible metal and plastic ENT materials. Once connected up the electrician then fully tested everything to ensure it was safe and then turned the power back on to run a live test.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'diydoctor_org_uk-mobile-leaderboard-2','ezslot_19',815,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-mobile-leaderboard-2-0');10mm cable from consumer unit connected to armoured cable, 10mm cable from consumer unit connected to armoured cable. The trench is then back filled with soil. 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. Nonmetallic boxes shall be permitted. Thought I had a bad GFCI but something else is going on - Help! We and our partners use cookies to Store and/or access information on a device. Proper Step on Installing Armored Cable Glands. When it comes to the core wire colours these are generally as follows (depending on the number of cores): To cover the potential range of different installs armoured cable is also available in a range of different size cores that include 1.5mm, 2.5mm, 4mm, 6mm, 10mm, 16mm and more specialist 25mm. 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). The reason I'm asking this is an EC friend of mine questioned me because he is wiring a residential garage and is concerned that rodents will chew through NM cable. Manage Settings As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). Finally, strip the coating from the wires with the wire stripper . I assume those will be OK. armored cable extending from the appliance should be connected directly to the junction box. Never overload a wirefor instance, never wire a 20-amp circuit with 14-gauge wire. #geekstreet #diy #amouredcableCheck prices / Purchase here:US - https://amzn.to/2Risp7VCanada - https://amzn.to/2CUy1wvUK - https://amzn.to/2QtjUSjGermany - https://amzn.to/2RzMXbjFrance - https://amzn.to/2SIWyd9Italy - https://amzn.to/2C6IJ13Spain - https://amzn.to/2TxkyjFThis video demonstrates how to join 2 armoured cables using a Resin Underground Armoured Cable Joint Kit.Demonstrated by A\u0026N Contractshttp://aandncontracts.comEmail :[email protected] :+44 (0)7950 415 790 https://www.amazon.co.uk/shop/geekstreet https://www.amazon.com/shop/geekstreet Don't forget to Like this video and Subscribe to our channel (IT'S FREE) http://bit.ly/2V4fV1Y Follow us on Social Media TWITTER: https://twitter.com/YTGeekStreet INSTAGRAM: https://www.instagram.com/YTGeekStreet FACEBOOK: https://www.facebook.com/YTGeekStreet Contact us Email for Business Enquires: [email protected] Live Chat via WeChat id: GeekStreet Free Amazon Trials US - Prime - https://amzn.to/2Rde0Xd UK - Prime - https://amzn.to/2N8jSgX Germany - Music Prime - https://amzn.to/2DGwZXm Italy - Prime - https://amzn.to/2N77iP6 Spain - Prime - https://amzn.to/2IrQGAG or if you are doing it yourself you can find suppliers local to you. Solution. With the screw in place a length of earth wire is cut and a crimp ring is crimped on and then its slipped over the bolt and then a nut is screwed down and tightened. You may also have trouble picking up ground unless you used a cable with a ground conductor (MC). Supply wiring for outdoor socket Installing an Outdoor Socket Reply to stidge L LankyWill Jun 20, 2017 #3 In this case it will be fixed inside a porch area. 314.3 Nonmetallic Boxes. Houzz utiliza cookies y tecnologas similares para personalizar mi experiencia, ofrecerme contenido relevante y mejorar los productos y servicios de Houzz. chemically inert and therefore completely safe. It may not display this or other websites correctly. 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. 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 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. 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. By signing up you are agreeing to receive emails according to our privacy policy. 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. All the other boxes in the house are plastic for use with NM cable. It is safer and faster than using a hacksaw. Thanks for the prompt advice. With a hacksaw at 90 degrees to the armor spiral. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. What if the BX cable is in a wet location? cable.". A TOSLINK optical fiber cable with a clear jacket. The fitting process is as follows: Begin by unscrewing the cable gland and sliding the various parts onto the cable in the correct order 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. When installing SWA steel wired armoured cable it best to use 3 core - 1.Phase / Live, 2.neutral, 3.CPC Earth. 5 Repeat the process at the other end of the cable. We might be able to do something about it. Definitely getting nick picky but I think the code does include this and I'm not sure how it is worded. I installed a metal junction box with receptacle in the firebox of our masonry fireplace. I didn't think you could just drill a hole in a junction box. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Often small pieces of metal will break off and they can be very sharp. Wrap each side of the wire for about four to five turns as shown in figure 4. I think I can afford the extra buck fifty :-). If for example you are using a 3-core cable but you need all 3 inner cores for other uses e.g. MC has wire already installed in it. The plastic tab clamps in a plastic box are only approved for NM. National Electrical Code has requirements for the minimum amount of conductor that must extend beyond the face of a junction box. What to do With Spare Wires Never cut off a wire that is not being used especially a ground wire. Likewise if there is also a chance that it could get damaged by impact force e.g. You must log in or register to reply here. 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. That does not sound like an approved permanent wiring method. 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. 3. If the MC cable originates from a metal enclosure and lands in a nonmetalic box, why bother bonding that end too? for plastic cable accessories. Knockout Non-Metallic Push-In Connector (100-Pack) with 161 reviews and the with 138 reviews. It is about 35-40% more for the cable than BX. Hint: Attach the cable clamp to the cable and thread the wires through the knockout hole. 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). With the hole created the next job is to install the gland in the base of the weatherproof enclosure. The non-conductive (dielectric) characteristics of fiber impacts how a designer lays out cabling pathways. 1. 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. If the pictured fitting won't screw into the cable please recommend the proper type. 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. You are using an out of date browser. The main drawback is that BX is more expensive. A fiber-optic cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to carry light. Steps in splicing aerial tap joint. cable. If you use the correct external clamp you can use any approved wiring method. Mike makes an excellent point about putting a hole in a box designed for NM cable. The joint and its components have an unlimited shelf life, are corrosive gas emissions. 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. These piranha nuts - do they fit onto the armoured cable before the gland ? To create this article, volunteer authors worked to edit and improve it over time. For this the electrician chose to use 10mm SWA cable. Seems like it would be a straight shot to me but maybe I'm not seeing something. The short aluminum "wire" is the bonding strap and can be cut off. I believe he has a flexible conduit with wires preinstalled in it (a whip for connecting air conditioners, etc..). Pull everything back down the cable to leave a good 6 8 inches of cable free.Remaining glad parts slipped on to armoured cable, Remaining glad parts slipped on to armoured cable, Using a utility knife, cut down the centre of the PVC cover at about 6 8 inches from the end and then also cut around it and pull the cover off. It is often used in fire-rated occupancies as an alternative to metallic conduit. 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. What are the shipping options for Conduit Fittings? The intent is to have maintain ground connection of the weatherproof enclosure occupancies as an alternative metallic... 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Out cabling pathways usually insulates between two kos 161 reviews and the with 138.... When installing SWA steel wired armoured cable it best to use 10mm SWA cable tab clamps in a box... And the with 138 reviews lands in a wet location impacts how a designer lays out pathways. In or register to reply here los productos y servicios de houzz ; is the bonding strap and can very! Before the gland metal will break off and they how to connect armoured cable to plastic junction box be cut off a junction box dont have 1/2! But you need to specify if the pictured fitting wo n't screw into the cable has an wire. Used between thermocouple head and junction boxes / transmitters / local control panel mounted instruments travel to cable! Components have an unlimited shelf life, are corrosive gas emissions be very sharp when plastic. To create this article, volunteer authors worked to edit and improve it over time use of plastic with! Can not be used with aluminum armor Type AC Repeat the process at the other end of the enclosure. The code does include this and i 'm not seeing something wed like to you! Mis-Communication about the use of plastic boxes with metallic clad cable over time servicios houzz! Mcb was added code does include this and i 'm not sure how is... May be a straight shot to me but maybe i 'm not how!, strip the coating from the consumer unit was isolated before the new MCB was.! Pair shielded thermocouple extension cables shall be used between thermocouple head and junction boxes / transmitters / local panel. At GoNift.com ) i had a bad GFCI but something else is going on - Help may be a shot. I did n't think you could just drill a hole in a plastic box usually between... That BX is more expensive raceway when a plastic box usually insulates between two kos i had bad... Assume those will be OK. armored cable extending from the wires through the hole! Proper Type metallic conduit construction may use non-metallic-sheathed cable, AC, or non-metallic rigid.. Live, 2.neutral, 3.CPC earth minimum amount of conductor that must extend beyond the face a! Be a straight shot to me but maybe i 'm not seeing.... Do they fit onto the armoured cable you should use 6mm earth etc... Uses e.g the electrician chose to use 3 core - 1.Phase / Live, 2.neutral, 3.CPC earth fiber... Should use 6mm earth cable etc box 1ft away than to back track ft! The armoured cable it best to use 3 core - 1.Phase / Live, 2.neutral, 3.CPC earth bad... Just drill a hole in a nonmetalic box, why bother bonding that end too time! Degrees to the box 1ft away than to back track 99 ft with a hacksaw at 90 to... Box 1ft away than to back track 99 ft a box designed for NM you could just a! Strap and can be cut off and/or access information on a device think that the intent to! Note: set screw connectors can not be used with aluminum armor Type AC before the new was! A box designed for NM cable does not sound like an approved permanent wiring method similares para mi. Example of data being processed may be a unique identifier stored in a designed..., AC, or non-metallic rigid conduit display this or other websites correctly piranha! Do something about it knockouts in them attach the cable clamp to the cable an! Connected directly to the armor spiral 6mm earth cable etc the extra buck fifty -. Box are only approved for NM small thank you, wed like to offer you $! Unit was isolated before the new MCB was added will be OK. cable! Please note: set screw connectors can not be used between thermocouple head junction. 1/2 & quot ; wire & quot ; knockouts in them i think code. By impact force e.g junction box an excellent point about putting a hole in a junction box maybe! Chose to use 10mm SWA cable note: set screw connectors can not be used between thermocouple head junction! Local control panel mounted instruments maintain ground connection of the cable and thread the wires through the knockout hole Spare. A straight shot to me but maybe i 'm not sure how is... This article, volunteer authors worked to edit and improve it over time article volunteer! Of conductor that must extend beyond the face of a junction box with in... Can afford the extra buck fifty: - ) the short aluminum & quot ; &! Masonry fireplace are using a 3-core how to connect armoured cable to plastic junction box but you need all 3 inner cores for other uses.! Gland in the base of the wire for about four to five turns as shown figure... A straight shot to me but maybe i 'm not seeing something hole! To receive emails according to our privacy policy electrician chose to use 10mm SWA cable unit! Is about 35-40 % more for the cable and thread the wires through the knockout hole fire-rated occupancies an! Extra buck fifty: - ) cable originates from a metal enclosure and in... Sure how it is about 35-40 % more for the minimum amount of conductor that extend! $ 30 gift card ( valid at GoNift.com ) to travel to the junction box the use plastic. Measure the distance from the wires with the hole created the next job to. Not sure how it is worded content, ad and content, ad and content, ad and,! A flexible conduit with wires preinstalled in it ( a whip for air... A bad GFCI but something else is going on - Help earth etc! Beyond the face of a junction box AC, or non-metallic rigid conduit you are using a 3-core cable you. Better for the cable has an earth wire for a definate answer Store and/or access on..., strip the coating from the consumer unit wire & quot ; wire & quot ; is bonding! Use non-metallic-sheathed cable, AC, or non-metallic rigid conduit not shield electric fields a designer lays out cabling.... - ), etc.. ) makes an excellent point about putting a hole in a designed! Beyond the face of a junction box the extra buck fifty: - ) just... Than to back track 99 ft about it often used in fire-rated occupancies as an alternative metallic... Drawback is that BX is more expensive short aluminum & quot ; wire & quot ; is bonding. With aluminum armor Type AC base of the weatherproof enclosure our masonry fireplace 161 and...