how to connect armoured cable to plastic junction box

The double connector does penetrate the box. Many inspectors will want to see the "listing label" for your cable so they can verity that it conforms to the code requirements and standards for cable construction. You may also have trouble picking up ground unless you used a cable with a ground conductor (MC). "Now, what's the proper way to cut MC without spending $30 on a cutter for a one-time small job?". If you'd like to support the site, please allow ads. 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. 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. 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 appears to be "similar" to MC but may not be actual MC. Local codes may require more. Reduced labor and material costs. JavaScript is disabled. Worked great. 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. Single pair shielded thermocouple extension cables shall be used between thermocouple head and junction boxes / transmitters / local control panel mounted instruments. 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. 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. Work gloves are handy when working with armored cable. AC couldn't be used because there would be no way to ground the device ruling AC out immediately. Wickes Exterior Cable Clips - Black 9mm Pack of 50. 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. With a 3 core armoured cable you will have brown, black and grey inner cores and they are often used as follows: As you can see from the above, the black is generally used as the earth and it should be sleeved with earthing sleeve to indicate this. Retain the label or package for later inspection. and the main wire end about 25 mm. A tool comprised of a special clamp with a rotary cutter is available for those doing a lot of AC or MC installation. 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. Some of the most reviewed products in Conduit Fittings are the Halex 3/8 in. Likewise if there is also a chance that it could get damaged by impact force e.g. 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. . The choice of whether armoured cable is surface mounted or buried depends on several factors including the preferences of the homeowner whos having the cable installed, the install location and the budget. You are using an out of date browser. The easy way around all the 2nd guessing is to just change out the plastic j-box for a metal one. 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. For the sake of a small extra cost, it is better to purchase 3 core cable, which includes a separate earth lead. 6 Insert a BX connector over the end of the newly cut armor and tighten the screw to secure it to the armor. Armoured cable pushed into sleeve up to PVC covering. 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. 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. 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. DISCLAIMER: All wallpapers and backgrounds found here are believed to be in the "public domain". This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. If it's what I'm thinking of, they are for flex and not MC. Sure couldn't do it with a plastic box at both ends, the armor would not be bonded. Supply wiring for outdoor socket Installing an Outdoor Socket . The plastic sheathing of NM cable does not shield electric fields. You must log in or register to reply here. For this you will need 2 spanners, one to hold the sleeve and the other to tighten the collar nut.Tightening collar nut using spanner, The penultimate job now is to screw up the sealed nut up to the sleeve. 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. One important consideration when using armoured cable is how its earthed. Is BX cable required in NY in a one-story church assembly area? 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. It is manufactured from impact, corrosion and UV resistant glass reinforced polyester compound, and this provides 1,2,3 or 4 way versatility. all the time. Single triad shielded signal cables . 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. In this case it will be fixed inside a porch area. of concrete, Type MI, MC, or AC cable." We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 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. Is it ok to terminate an armoured cable directly into a plastic 2 -way garage consumer unit providing the brass ring is used with the gland kit for the earth return ? 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) wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Unlike standard electrical cable, armoured cable inner core wires are coloured slightly differently than standard electrical cables. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. 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. Wrap each side of the wire for about four to five turns as shown in figure 4. Article 518 of the National Electrical Code (NFPA 70, 2019: 514.A) requires all "assembly occupancies" to be wired using "metal raceways, flexible metal raceways, nonmetallic raceways encased in not less than 50 mm (2 in.) "Mike makes an excellent point about putting a hole in a box designed for NM cable. I bored a hole in the side of the plastic box and connected the flexible metal cable via a fitting and lock nut. It is handled differently than standard Romex (non-metallic sheathed) cable. Seems like it would be a straight shot to me but maybe I'm not seeing something. declared as conforming to the mechanical, electrical and sealing specifications required. You are using an out of date browser. Puedo rechazar las cookies no esenciales haciendo clic en 'Gestionar preferencias'. I picked up two of the "screw-in" fittings to connect the MC to the boxes. Strip the tap wire end about 75 mm. I think that the intent is to have maintain ground connection of the metallic raceway when a plastic box usually insulates between two kos. Apply firm pressure to the handle, but don't squeeze too hard or the crank will be difficult to turn. I don't understand your comment about 100 ft up and 100 ft back. Yellow electrical cable trench warning tape. What if the BX cable is in a wet location? Sometimes a steel connection box can be used inside the property, thus terminating the earth / SWA and converting to T&E to consumer unit. What to do With Spare Wires Never cut off a wire that is not being used especially a ground wire. 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. There are many different types of armored cable. I want to run armoured cable from house to obs. Can you imagine putting a bonding connector in a one gang old work gem box? Don't fancy doing this project yourself? 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 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. You generally need to use MC or equivalent to go from the wall or ceiling to the connection box on the water heater. 2. what screw in fittings are you talking about? Many new installations require an inspection at this stage of "rough-in" prior to getting permission to connect any devices to the conductors. The optical fiber elements are typically . I have purchased 1.5mm armoured cable to connect from externally mounted junction box to 2 bulk head lights in the garden. Expose the Electrical Wire Rotate. Low smoke and toxic and corrosiand. Small Business. Identifying which material is better, a metal or plastic junction box ,depends on its intended use. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. 5 Repeat the process at the other end of the cable. Don't forget the armour must be earthed. For MC cable, the armor is not an EGC, there is a green EGC for that. Often small pieces of metal will break off and they can be very sharp. That cable needs to attach to a metal box. 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. You can just pirana nuts for termination into plastic - they are quite nifty! wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. If there is damage, you may need to try again by moving back and redoing another cut. A length of armoured cable was then laid out that ran from the outbuilding up to the weatherproof box. MP-AP uses the armor for an EGC. An SWA Cable Junction Box is a general purpose junction box suitable for all surface applications. I may change the cable anyway since I'm thinking of putting the family room receptacles on their own breaker and upgrading the wiring to 12 ga, 20A. 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. only with open wiring on insulators, concealed knob-and tube wiring, cabled wiring methods with entirely nonmetallic sheaths, flexible cords, and nonmetallic raceways. 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. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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