\u00a9 2023 wikiHow, Inc. All rights reserved. x 13 in. 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. This will be attached to a handy external junction box installed for this purpose, on an independent circuit, by my electrician when the in a 3-phase setup then it is also possible to use the steel armour section of the cable as the earth. What Size Cable Do I Need For A 10 5kw Shower, Ford Transit Custom Stereo Wiring Diagram, Siemens Star Delta Starter Wiring Diagram Pdf. For this you will need 2 spanners, one to hold the sleeve and the other to tighten the collar nut. chemically inert and therefore completely safe. 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. In most cases this is done in the same way that any other electrical cable is earthed by using one of the inner cores. 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. Use it to try out great new products and services nationwide without paying full pricewine, food delivery, clothing and more. Squeeze the handles on the cable cutter to secure the armored cable in the cutter. I've only used those types of screw in fittings with flex though and didn't think they were approved for MC. These cables are used mainly for digital audio connections between devices. "Flex" is flexible spiral conduit (aluminum or steel) that does not have wire in it already and comes in various sizes. Where an armoured cable is selected as (or forms part of) a wiring system, BS 7671 requires the armouring be effectively earthed. Wickes Exterior Cable Clips - Black 9mm Pack of 50. Reduced labor and material costs. 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 . 5 Repeat the process at the other end of the cable. Attach conduit and armored cable to a knockout in an outlet box or enclosure. 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. How to Connect and Wire up Armoured Cable or SWA Cable, General Building, Self Build and Renovation, Planning Regs, Project Management and Safety, Let us help you find a tradesman local to you, Installing a Consumer Unit Consumer Units Explained, Electric Cable Sizes and Amp Ratings for the UK, Understanding Electrical Cables and Flexes, How to Wire a Junction Box for Socket and Light Circuits, 3-core = 2 different types: 1 brown, 1 blue and 1 yellow/green (earth) or: 1 black, 1 grey and 1 brown, 4-core = 1 brown, 1 black, 1 grey and 1 blue, 5-core = 1 brown, 1 grey, 1 blue and 1 yellow/green. Rip and Strip the Wire. Make sure you have the proper connectors for the selected type of cable. Apply firm pressure to the handle, but don't squeeze too hard or the crank will be difficult to turn. Proper Step on Installing Armored Cable Glands. We and our partners use cookies to Store and/or access information on a device. cable.". The reason there is a 1/2" knockout in that plastic 1900 box is for running larger sized NM cables like 10/3 or 10/4 or an 8/3 wire. 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.. The short aluminum "wire" is the bonding strap and can be cut off. 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. lol. An access hole was drilled through the wall of the outbuilding so that the cable could be pulled in and up to the location of the consumer unit.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'diydoctor_org_uk-large-mobile-banner-2','ezslot_14',811,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-large-mobile-banner-2-0');Armoured cable running into outbuilding. During assembling the gland and cable, once its pushed through the item you are connecting to e.g. MC has wire already installed in it. 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. By signing up you are agreeing to receive emails according to our privacy policy. I believe he has a flexible conduit with wires preinstalled in it (a whip for connecting air conditioners, etc..). Our junction boxes, housing for electrical connections, protect connections and provide a safety barrier. Also, what is the procedure for earthing the armour? declared as conforming to the mechanical, electrical and sealing specifications required. Cutting a hole in the plastic box may be amaturish but I "am" an amateur :-) That said, I don't want any problem when it gets inspected so I may change to a metal box. 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). 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. Always wear eye protection for the same reason. When it comes to surface mounting armoured cable it should be clipped up securely to a sturdy solid surface using the correct cable cleats. Now you can turn the power back on and check to see that your connections are working. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. ex. Place the wires in crossed position intersecting about 5 mm from the insulation of the tap wire and the main wire. 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. JavaScript is disabled. A suitable strain relief must be provided to . It is often used in fire-rated occupancies as an alternative to metallic conduit. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. wikiHow is a wiki, similar to Wikipedia, which means that many of our articles are co-written by multiple authors. 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. I installed a metal junction box with receptacle in the firebox of our masonry fireplace. 130 Points 63 Location Pennsylvania Jan 6, 2019 #2 That is AC cable so the sheath is the ground. AC couldn't be used because there would be no way to ground the device ruling AC out immediately. is using 6mm armoured cable you should use 6mm earth cable etc. 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. Retain the label or package for later inspection. Did you use a clamp rated for the type of cable you are using (AC or MC)? Available in either rigid or flexible forms, a conduit protects the wires and is used in exposed locations (such as along the exterior surface of a wall) as well as in unfinished areas (like basements, crawlspaces, and attics), and in surface-mounted . 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. The plastic tab clamps in a plastic box are only approved for NM. Not that it matters. Green or bare wires are ground wires. The banjo is then positioned so that the small end with the small hole is situated in a place that a hole can then be drilled through your enclosure away from any other items. Looking for Conduit Clamps that Stand Off from Wall? I think that the intent is to have maintain ground connection of the metallic raceway when a plastic box usually insulates between two kos. Solution. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. You can create your listing free at DIYnot Local. ex. For a better experience, please enable JavaScript in your browser before proceeding. 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! I'm replacing the dishwasher in a 1960s house I just bought, and I don't really trust the electrical in this house.