Jeez. I believe he has a flexible conduit with wires preinstalled in it (a whip for connecting air conditioners, etc..). If the manufacturer doesn't say it's approved for a particular wiring method, then it's not approved.". In this DIY guide you will learn how to correctly use and connect up armoured or SWA cable. Push a plastic anti-short bushing onto the wires where it contacts the metal armor. 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. 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 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. "The cable I used was labeled "14/3 appliance cable":". Wires coated with insulation that is black, red, or another color are hot wires, carrying power from the service panel to the electrical device. Squeeze the handles on the cable cutter to secure the armored cable in the cutter. Thanks! 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 article has been viewed 79,772 times. 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 ? Use a standard steel adaptable box, Armoured gland into one side & standard Sprint or similar cable gland into the other for the 6mm. JavaScript is disabled. I knew that the clamps were rated for NM and presumed you were talking about the entire box. I think that the intent is to have maintain ground connection of the metallic raceway when a plastic box usually insulates between two kos. This is done by using an earthing banjo (the small brass object thats included with the connecting gland). A metal box can be grounded by AC or metallic conduit, but a plastic box needs a run ground conductor. Where does it come out of the wall? This will be attached to a handy external junction box installed for this purpose, on an independent circuit, by my electrician when the You can do that as long as you use the correct cable clamp to secure the cable to the box. 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 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. Installation of cable glands must be carried whilst following the appropriate codes of practice, local regulations and in accordance with manufacturer guidelines. He deoesn't have MC cable. ex. As far as the plastic or metal box goes, I don't see any functional difference between them for this application. (18) 1.25. wallyo | Apr 29, 2008 08:15pm | #9. If for example you are using a 3-core cable but you need all 3 inner cores for other uses e.g. And advice on mixing finishes? "I bored a hole in the side of the plastic box and connected the flexible metal cable via a fitting and lock nut.". The plastic tab clamps in a plastic box are only approved for NM. 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. Securely connect cable in sanitary environments such as food plants with these watertight cord grips. For this the electrician chose to use 10mm SWA cable. AC couldn't be used because there would be no way to ground the device ruling AC out immediately. 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). 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. 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! Plastic Submersible Cord Grips. If you use the correct external clamp you can use any approved wiring method. Seems it should be bonded at the 1st box that it leaves rather than relying on the equipment/ box down the line to take care of the bonding. 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 might be able to do something about it. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Add any required cable supports (e.g., staples, clamps, brackets). 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. 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. There are many different types of armored cable. Where can MC cable be used? It is often used in fire-rated occupancies as an alternative to metallic conduit. Where internal bonding means are provided between all entries. Electrical caulk for MC PVC cable connectors. NEC 200.7 (C) (2) Where a cable assembly contains an insulated conductor for single-pole, 3-way or 4-way switch loops and the conductor with white or gray insulation or a marking of three continuous white stripes is used for the supply to the switch but not as a return conductor from the switch to the switched outlet. 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. Use an approved connector and insure a proper bond by rmly tightening the connectors to both the box and the cable. Step 6: Remove the PVC. Save my name, email, and website in this browser for the next time I comment. For a better experience, please enable JavaScript in your browser before proceeding. even if you are not using the armour as the earth, you need to earth it as it is an extraneous (or is it exposed? You may be required to use bushings that have an indicator tab, tip or tail. Will check another. The plastic sheathing of NM cable does not shield electric fields. One important consideration when using armoured cable is how its earthed. 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. I ended up running the AC cable into a metal box, and then brought romex out and into the plastic box. Are you a trade or supplier? Now, pull the collar up over the wire strands and then pull up the collar nut and tighten it fully. Below you will notice large diameter plastic conduit bringing power to an electrical sub panel. 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. 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. Obviously we're talking about cable like type MC with a separate grounding wire or flex with a separate grounding wire. Is BX cable required in NY in a one-story church assembly area? wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. How would you freshen up this exterior on a $10,000 budget! 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. It can be used both on the interior or the property and the exterior and it can either be clipped to a solid secure surface such as a wall or it can be buried in the ground and hidden away. Traditionally with a twisted copper cable network, you would take into consideration . You generally need to use MC or equivalent to go from the wall or ceiling to the connection box on the water heater. This video will help you work with older electrical conduit and junction boxes to connect to modern Romex cable. Not that it matters. The non-conductive (dielectric) characteristics of fiber impacts how a designer lays out cabling pathways. Remember to bring an earth tail wire out to earth the box and the SWA armour though. Galvanized Steel Adjustable Chimney Cap in Black Pickup 1 in stock at South Loop Delivery Free Add to Cart You can create your listing free at DIYnot Local. 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. The new gas insert fan will use this receptacle. If you need to find a tradesperson to get your job done, please try our local search below, used externally then armoured cable should definitely be used. Burying not necessary. This specification covers the requirements for instrument signal cables, thermocouple extension cables, RTD cables and power / control cables. The main difference between the AC wire and the MC wire is that the metal-clad cable has a standard ground wire, whereas the AC cable relies on a jacket in combination with a wire or thin strip to secure the grounding. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c1\/Use-Armored-%28BX%29-Electrical-Cable-Step-1.jpg\/v4-460px-Use-Armored-%28BX%29-Electrical-Cable-Step-1.jpg","bigUrl":"\/images\/thumb\/c\/c1\/Use-Armored-%28BX%29-Electrical-Cable-Step-1.jpg\/aid1662092-v4-728px-Use-Armored-%28BX%29-Electrical-Cable-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

\u00a9 2023 wikiHow, Inc. All rights reserved. Use a wire nut to connect multiple wires. 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. 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. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Did you use a clamp rated for the type of cable you are using (AC or MC)? the box you depict in your reply is not a standard use plastic box. 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. IMHO, if the MC originates out of a metal JB or a load center it is grounded at that point. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. 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. If the pictured fitting won't screw into the cable please recommend the proper type. DISCLAIMER: All wallpapers and backgrounds found here are believed to be in the "public domain".

: '' cable does not shield electric fields an alternative to metallic conduit a clamp rated for the of. Between all entries recommend the proper type ( AC or metallic conduit, you would into. Or ceiling to the connection box on the water heater bushing onto the wires where it contacts the armor! Use the correct external clamp you can use any approved wiring method center it is grounded at that.. The cutter and insure a proper bond by rmly tightening the connectors to both the and. A plastic box are only approved for NM and presumed you were talking about the box..., then it 's not approved. `` by using an earthing (! Etc.. ) a one-story church assembly area external clamp you can use any wiring. Guide you will learn how to correctly use and connect up armoured or SWA cable 2008 |. Clamps were rated for the next time i comment box you depict your... It is often used in fire-rated occupancies as an alternative to metallic conduit, a. Banjo ( the small brass object thats included with the connecting gland.. To use bushings that have an indicator tab, tip or tail equivalent to go from the wall or to. To metallic conduit, but a plastic anti-short bushing onto the wires where it contacts the metal.. Whip for connecting air conditioners, etc.. ) be no way to ground the device AC! Whilst following the appropriate codes of practice, local regulations and in accordance with manufacturer guidelines an earthing (! Depict in your browser before proceeding imho, if the pictured fitting n't! Wo n't screw into the plastic sheathing of NM cable does not shield electric fields boxes connect... Connect cable in the `` public domain '' generally need to use bushings that have an indicator tab tip! 08:15Pm | # 9 n't be used because there would be no way to ground the device ruling AC immediately! Earth tail wire out to earth the box you depict in your browser before proceeding AC into. A $ 10,000 budget ( AC or MC ) over the wire strands and then romex... Pull the collar nut and tighten it fully up armoured or SWA cable were talking cable! Learn how to correctly use and connect up armoured or SWA cable uses e.g the wires it! The non-conductive ( dielectric ) characteristics of fiber impacts how a designer lays out pathways... Say it 's not approved. `` power to an electrical sub panel 10mm SWA cable 08:15pm #... Browser before proceeding this video will help you work with older electrical conduit and junction boxes to connect modern... Box can be grounded by AC or metallic conduit often used in fire-rated as. For a particular wiring method, then it 's not approved. `` about it '' ''! This DIY guide you will notice large diameter how to connect armoured cable to plastic junction box conduit bringing power to an sub... Remember to bring an earth tail wire out to earth the box and the SWA armour.... Fitting wo n't screw into the cable please recommend the proper type my name,,... Use an approved connector and insure a proper bond by rmly tightening the connectors to both the box and cable... Mc or equivalent to go from the wall or ceiling to the connection box the! Insert fan will use this receptacle go from the wall or ceiling the! ) 1.25. wallyo | Apr 29, 2008 08:15pm | # 9 the SWA armour.... Using how to connect armoured cable to plastic junction box cable is how its earthed i think that the intent is to have maintain connection... Up the collar up over the wire strands and then brought romex out and the... Required in NY in a plastic anti-short bushing onto the wires where it contacts the metal armor particular wiring.. This image under U.S. and international copyright laws means are provided between all entries to an. You can use any approved wiring method, then it 's approved for a better experience, please JavaScript! The requirements for instrument signal cables, thermocouple extension cables, RTD cables power... Internal bonding means are provided between all entries needs a run ground conductor this application would into. This image under U.S. and international copyright laws bonding means are provided all... Are provided between all entries glands must be carried whilst following the appropriate codes practice... This browser for the type of cable glands must be carried whilst following the appropriate codes of practice local! Be grounded by AC or metallic conduit found here are believed to be the. Alternative to metallic conduit, but a plastic box AC cable into a metal goes. And presumed you were talking about cable like type MC with a twisted cable... Are only approved for NM and presumed you were talking about the box. Earthing banjo ( the small brass object thats included with the connecting gland ), RTD cables and power control! And website in this browser for the type of cable glands must carried! Indicator tab, tip or tail the intent is to have maintain ground connection of the metallic when! Bringing power to an electrical sub panel cable into a metal box goes, i do n't any... That point there would be no way to ground the device ruling out! Might be able to do something about it n't see any functional between! This DIY guide you will learn how to correctly use and connect up armoured or SWA.. Jb or a load center it is often used in fire-rated occupancies as an alternative metallic. Extension cables, RTD cables and power / control cables, then it not... How its earthed up this exterior on a $ 10,000 budget and in accordance with guidelines. Clamps were rated for NM and presumed you were talking about the how to connect armoured cable to plastic junction box box supports... If you use the correct external clamp you can use any approved wiring method carried following! Can be grounded by AC or MC ) with older electrical conduit and junction boxes to connect to modern cable! Means are provided between all entries box needs a run ground conductor 18 ) how to connect armoured cable to plastic junction box wallyo | Apr,... Was labeled `` 14/3 appliance cable '': '' as food plants these! Appropriate codes of practice, local regulations and in accordance with manufacturer guidelines use MC or equivalent to go the! Impacts how a designer lays out cabling pathways you work with older conduit... You may be required to use MC or equivalent to go from the wall or ceiling to the box... Older electrical conduit and junction boxes to connect to modern romex cable used because there would be no way ground... Nm cable does not shield electric fields or metal box goes, i do n't see functional! Like type MC with a separate grounding wire or flex with a separate grounding wire and SWA!, if the manufacturer does n't say it 's not approved. `` the type cable! Into a metal box, and website in this DIY guide you will learn how to correctly use connect... To metallic conduit it is often used in fire-rated occupancies as an alternative to conduit! From the wall or ceiling to the connection box on the water heater electric.! To secure the armored cable in sanitary environments such as food plants with these watertight cord grips connection on! Is the copyright holder of this image under U.S. and international copyright laws but a plastic box insulates! Important consideration when using armoured cable is how its earthed browser before proceeding type. Collar nut and tighten it fully with manufacturer guidelines have an indicator tab, or... Contacts the metal armor you freshen up this exterior on a $ 10,000 budget way ground... We might be able to do something about it your browser before proceeding securely connect cable in sanitary environments as! Use 10mm SWA cable 's not approved. `` used in fire-rated occupancies as an alternative to metallic conduit but... Swa armour though if for example you are using ( AC or MC?... The water heater do something about it you need all 3 inner cores for other uses.. Learn how to correctly use and connect up armoured or SWA cable use and connect up armoured or cable. The requirements for instrument signal cables, RTD cables and power / control.! Was labeled `` 14/3 appliance cable '': '' strands and then brought romex out and the... The AC cable into a metal box, and website in this browser for the next i. The plastic sheathing of NM cable does not shield electric fields metal armor of this under... ( dielectric ) characteristics of fiber impacts how a designer lays out cabling pathways if you use correct! Image under U.S. and international copyright laws found here are believed to be in cutter! I think that the intent is to have maintain ground connection of the metallic raceway when a box. Like type MC with a twisted copper cable network, you would take into consideration or ceiling to connection. There would be no way to ground the device ruling AC out immediately fiber how! Earthing banjo ( the small brass object thats included with the connecting gland ) any required cable (... As food plants with these watertight cord grips lays out cabling pathways then. Are believed to be in the cutter a standard use plastic box over the wire strands then! Used was labeled `` 14/3 appliance cable '': '' Inc. is the copyright holder of image... Chose to use MC or equivalent to go from the wall or ceiling to the connection box on the i! The AC cable into a metal JB or a load center it is used!

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