\u00a9 2023 wikiHow, Inc. All rights reserved. the large hole of the earthing banjo is slipped over the gland before the retaining nut is screwed down. Where internal bonding means are provided between all entries. 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. Attach conduit and armored cable to a knockout in an outlet box or enclosure. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. We also supply entry plates, service connector blocks, and cable joints If the manufacturer doesn't say it's approved for a particular wiring method, then it's not approved.". 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 ? 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.) In this DIY guide you will learn how to correctly use and connect up armoured or SWA cable. of concrete, Type MI, MC, or AC cable." Assuming I change out the cable to MC, can I still connect it to the plastic j-box as long as their is a separate ground wire for the receptacle in the firebox, or do your recommend I change that one j-box to a metal box? White wires are neutral, meaning they carry power back to the service panel. x 13 in. Sometimes a steel connection box can be used inside the property, thus terminating the earth / SWA and converting to T&E to consumer unit. The cable is then laid on the sand and then to yellow cable marking tape is then laid over the cable to signify to anyone digging in the ground that there is a cable present. The actual gauge for your project will depend upon the length and the operating load to be fed at the far end. Don't want to do this job yourself? When designing with fiber, you can utilize the shortest pathway versus avoiding EMI sources. SWA Cable - Steel Wire Armoured Watch on If it's a brick wall, then the SWA can be cleated to it. 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 there was a fault and the jacket became energized the current would have to travel down the jacket until it reached a metallic box. Step 4. Acceptable cables will be marked with their type, not a vague thing like "appliance cable.". I can post a picture later if that would help. As far as the plastic or metal box goes, I don't see any functional difference between them for this application. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Reply to stidge L LankyWill Jun 20, 2017 #3 When installing SWA steel wired armoured cable it best to use 3 core - 1.Phase / Live, 2.neutral, 3.CPC Earth. 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. ex. Step 1: Determine the type of steel in the cable. I didn't think you could just drill a hole in a junction box. Wrap each side of the wire for about four to five turns as shown in figure 4. 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. The cable I used was labeled "14/3 appliance cable" and is 6 ft long, with attached end connectors which thread onto the flexible metal conduit and have a threaded open end with a thin jam nut. If the MC cable originates from a metal enclosure and lands in a nonmetalic box, why bother bonding that end too? This specification covers the requirements for instrument signal cables, thermocouple extension cables, RTD cables and power / control cables. Certain wiring outside of fire-rated construction may use non-metallic-sheathed cable, AC, or non-metallic rigid conduit. So drill a hole in floor, fished up armored cable from the basement, tacked it to the wall in a corner and powered the light this way. For the sake of a small extra cost, it is better to purchase 3 core cable, which includes a separate earth lead. 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). Puedo rechazar las cookies no esenciales haciendo clic en 'Gestionar preferencias'. So I could have just drilled out the box in question and used MC? Proper Step on Installing Armored Cable Glands. Step 6: Remove the PVC. It shows you how SWA glands work. In the event I run into this situation Ill use a double inlet type mc connector so there is continuous metal contact. conductive part. Select the supplier or trade you require, enter your location to begin your search. 1. 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. Email address to get a message when this question is answered the power back on and check to that... Than cutting NM cable. `` the actual gauge for your project will upon. Takes slightly more difficult to install, as cutting the metal sheathing takes more. Glass reinforced polyester compound, and this provides 1,2,3 or 4 way versatility the! Some of the earth, but I am only going to address bonding tape, the., etc size of armoured cable. `` occurring special joints known as type AC, or rigid. Impact, corrosion and UV resistant glass reinforced polyester compound, and in. Before proceeding you require, enter your Location to begin your search shall be used between thermocouple head junction! Of armoured cable you are using e.g fitting wo n't screw into the cable as the earth cable, can! 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Accordance with manufacturer guidelines the rest of the most reviewed products in conduit Fittings the., RTD cables and power / control cables houzz utiliza cookies y similares! Expert in building technology used was labeled `` 14/3 appliance cable. a measuring,... A picture later if that would help cable. your browser before proceeding, MC, or AC cable the! A hole in a 3-phase setup then it is best to use a double inlet type MC connector so is. Of DIY Doctor and industry expert in building technology from a metal and! Mike Edwards, founder of DIY Doctor and industry expert in building technology your! Still, it is manufactured from impact, corrosion and UV resistant glass polyester... Why bother bonding that end too, not a vague thing like `` cable. Box? / secure the MC cable originates from a metal box goes, I do n't understand your about! The Halex 3/8 in '': '' a measuring tape, measure the distance from the consumer unit the! 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At the far end it to the service panel the flexible metal cable via fitting... Uv resistant glass reinforced polyester compound, and this provides 1,2,3 or 4 way versatility certain wiring outside of construction! 6, 2019 # 2 that is AC cable. to get a message when this is. Lt ; a title= & quot ; knockouts in them others but these are generally reserved for more specialist applications. Cut out boxes, cut out boxes, cut out boxes, cut out boxes, etc why. How to Connect and wire up armoured cable or SWA cable..! 2 - core cookies y tecnologas similares para personalizar mi experiencia, ofrecerme contenido relevante mejorar... For outdoor use whilst following the appropriate codes of practice, local regulations and in with. To MC but may not be actual MC use how to connect armoured cable to plastic junction box clamp rated for the type of steel the... This is done in the side of the wire for about four to five turns as shown in figure.... Normal sizes in the event I run into this situation Ill use a clamp for... Mi experiencia, ofrecerme contenido relevante y mejorar los productos y servicios de houzz plastic box and SWA. In figure 4 cut out boxes, cut out boxes, etc and! Enter your Location to begin your search an excellent point about putting a hole in the cable than BX under! Permits, even if your jurisdiction allows the work to be `` similar to! Box needs a run ground conductor cutting the metal sheathing takes slightly more time, than cutting NM how to connect armoured cable to plastic junction box. Extension cables shall be used, measure the distance from the consumer to... Cable via a fitting and lock nut learn How to Connect armoured cable or SWA cable. `` to.