SWA Cable Gland: Earthing Nut vs Conventional Banjo and Lock Nut for cable glands.

Рет қаралды 70,463

5 жыл бұрын

In this video, we look at the conventional SWA gland with a lock nut and earthing ring (banjo). Plus an Earthingnut in combination with SWA cable glands and steel wire armoured cable. We put them head to head to see which one is easier and fast to install.
Armoured cable is one of the most commonly used cables in UK electrical installations. Use of SWA cable is increasing in applications such as EV ChargePoint installation.
The steel armour needs to be connected to CPC (earth) connection at usually each end of the cable. A cable gland is a common method of doing this. The Earthing nut replaces the nut and banjo supplied with CW or BW cable glands. The earthing nut creates a neater looking armoured cable termination and a more reliable earth connection.
== AD ===================================
Earthingnut complete with SWA cable gland
amzn.to/3dU43s5
Also recommended
Storm cable gland (no shroud) IP68
amzn.to/3g38CCr
========================================
Please see our other videos related to SWA cable and innovations.
For more electrical content please check out our
eFIXX website - www.efixx.co.uk/sign-up
How is an armoured cable made - from copper and plastic to finished cable.
• How is SWA armoured ca...
Innovations for installing and terminating armoured cable
• Reviewed - Armoured ca...
Earthingnuts are manufactured under license by Specialised Wiring Accessories sometimes branded as Piranha nuts.
#eFIXX

Пікірлер: 106

@efixx 4 жыл бұрын

***MORE*** - Find out how SWA Armoured cable is made in this factory visit. kzfaq.info/get/bejne/ZrN2n62rr8jDgZ8.html Reviewed: Innovations for armoured cable kzfaq.info/get/bejne/arqCiLygz67Rp2g.html

@keithmyerscough1861 3 жыл бұрын

I feel your point about removing the paint from the enclosure is not necessary. The armour is connected electrically via the gland. The gland via the banjo. The banjo via the fly lead to the earth terminal. The earth terminal is normally connected by the manufacturer to the metal casing. I feel you are making a mountain out of a molehill.

@leobenben5656 3 жыл бұрын

@@keithmyerscough1861pp

@leobenben5656 3 жыл бұрын

Lgkgg Llglkgl🙂

@leobenben5656 3 жыл бұрын

@@keithmyerscough1861 l P

@aroncells3120 5 жыл бұрын

Worked on a petrochemical plant one time and the electrical engineer insisted on spanners for swa glands as he hated damaged brass , nice to see this included in your video for young learner's

@efixx 5 жыл бұрын

Hi. Thanks for the positive feedback 👍

@alistair1978utube 3 жыл бұрын

@ always use correct size of apostrophes...

@tuboid001 4 жыл бұрын

If you give the actual earth nut a turn when it's almost done up with the spanner you have a much better chance of it cutting through the paint and making better contact with the metal of the enclosure.

@davidwedge1931 5 жыл бұрын

More videos like this please. Extremely helpful👍

@efixx 5 жыл бұрын

Hi thanks for the positive feedback Gaz

@vievlogs589 5 жыл бұрын

I love the competitive element between Gaz and Joe 👍.... go Gaz go 👍

@efixx 5 жыл бұрын

Joe's pretty good also! 😊 Thanks for the comment!

@001Neal100 2 жыл бұрын

I've never done it this way. I keep the swa tag on the inside of the enclosure, bent up the tag a little and used a nut and bolt to clamp the earth ring crimp to the tag. Never had any issues with R2 readings this way.

@johnrawlins6147 2 жыл бұрын

That's exactly what I was thinking of doing bending the tag up , that's before I saw the earth nuts , I've never done this before and have just ordered the glands , and looking at the price of the nuts , I think I'll bend the tag up

@psm2day 7 ай бұрын

Exactly what I do, keep it all inside, ive used these nuts too but on some small enclosures they are too chunky especially side by side on a switch.

@jam99 3 жыл бұрын

Classic time vs materials cost compromise. Great video.

@muzikman2008 5 жыл бұрын

I always use these on swa where necessary. Pricey though. Great for taking a swa cable from metal clad sfcu where space is limited. Great video guys. Love the new channel.

@efixx 5 жыл бұрын

Hi. Thanks for the support on our new adventure eFIXX Gaz 👍😁

@anthonybragg 5 жыл бұрын

We use earth nuts with plastic adaptable boxes/enclosures because of the creeping factor.

@davidclark3603 Жыл бұрын

That's a good idea. I hope it catches on.

@GreenHawkConstructionltd 3 жыл бұрын

We have been using earthing nuts for a little while now. They save time and money and we feel they do a better job. Great content as usual 👍

@efixx 3 жыл бұрын

Thanks 👍

@ww-sd9pz 4 жыл бұрын

Great job but would have liked to see it done with SWA cable attached. Cant understand how your suppose to hold the locking nut on the inside while rotating the fitting on the outside, if its a terminated cable. Thanks great help.

@posei3960 Жыл бұрын

I was always taught to use the adjustable spanner the "other way around" this was known as "the CORRECT away"

@kidaz 2 жыл бұрын

Great idea. Expensive idea. 5 quid for 2 for an extra ~3 minutes. Time to do some calculations.

@efixx 2 жыл бұрын

Could argue it's easier as well as quicker? 🤔

@kidaz 2 жыл бұрын

@@efixx Yup. Quicker. Easier. Expensiver.

@Dog-whisperer7494 2 жыл бұрын

Got nothing to say about this guy’s 👍 Great video guy’s as always 👍👍👍👍❤️⚡️

@jocramkrispy305 2 жыл бұрын

why not attach the flylead before tightening the gland? It seems odd to put the screw in to stop the banjo spinning, then taking it out, then putting it in again with the fly lead.

@delspark 5 жыл бұрын

I like using both 👍

@efixx 5 жыл бұрын

Thanks for the support on eFIXX Gaz 👍

@HeathenGeek 8 ай бұрын

What determines the size of the earth fly lead between banjo and earth terminal?

@peanutpotion 4 жыл бұрын

nice video gaz, would you agree by saying the fly lead earth should be 1/2 the size of the cable e.g 6mm swa 4mm fly lead as 2.5mm would be more than half the cables size?

@user-od3rl5mc 3 жыл бұрын

What size cable should the fly lead be, assuming a 2.5mm2 SWA and an 63amp RCD?

@martinwright5113 4 жыл бұрын

Good product but looking on Screwfix website they cost nearly double what a gland pack (20mm cw) cost. Would soon add up.

@michaeldawson6309 Жыл бұрын

Much better too for external use as the traditional nut is iron and rusts.

@kevinpearson1600 2 жыл бұрын

If you use a tap to cut a thread into the metal enclosure and then use the bolt would you still need the fly lead

@rogerbooth81 3 жыл бұрын

How about a complete install with swa in situ like ya would do to make a connection

@joem9124 4 жыл бұрын

shouldnt the thread of the m4 and the nut be on the outside of the enclosure?

@jameshansing5396 2 жыл бұрын

Learner here, what should be the size of or where can I look in the regs for the size of the fly lead please?

@UKJaiO 7 ай бұрын

Can these be used on SY glands also?

@timh5529 7 ай бұрын

Whats the name of that lock nut spanner or where do you get one?

@springhy 3 жыл бұрын

What if you was entering it from the top knockout how could it be earthed from inside without drilling a hole on top for the earthing?

@neillwalker5681 5 жыл бұрын

Another interesting video fuelling the debate on which connection type is better. Most people like the new piranha nuts but they cost more. There has long been debate about fitting banjo tags. You fitted yours on the outside but many fit them inside to reduce corrosion and improve the cleanness outside. You can buy pre-terminated banjos with flyleads on to reduce the fitting time. If you fit them inside and the case has a cpc bar earthing the cabinet already as yours did then should you drill the case for the banjo or just connect it to the cpc bar as you would with a piranha nut? If you drill the case it takes time and corrosion follows. Same on a plastic case, is there a need to drill the small hole for the banjo as its not earthing the case? You views welcome on best practice.

@efixx 5 жыл бұрын

Great points as always Neill. Gaz 👍

@gussie990 3 жыл бұрын

What is the make and model of the bush/locknut spanner you use in this video? My colleague has one but it’s open ended and has very thick metal rendering it almost useless for glands. Cheers

@trajo189 Жыл бұрын

Did you ever find the spanner in this video please?

@CurvedSlightly 3 жыл бұрын

It's a grind! My sparky arrives in his Ferrari!

@joshstephenson8979 3 жыл бұрын

Why are manufactures leads of the breakers got so much copper showing

@MrKwelsh 5 жыл бұрын

Seen alot of people using serated washers instead of banjo's. They bite into the consumer unit or panels which are earthed. Whats peoples thoughts on this? Should a flying lead always be used?

@efixx 5 жыл бұрын

Thanks for the comment, always useful to hear different ideas!

@MrKwelsh 5 жыл бұрын

@@efixx No problem, really enjoy watching the uploads and i also like your other channel GSH.

@gewlecne 3 жыл бұрын

@efixx is that a bush spanner that’s been adapted to work with lock rings or is it bought like that?

@trajo189 Жыл бұрын

Did you ever find the spanner in this video please?

@gewlecne Жыл бұрын

@@trajo189 no you can’t get them anymore unfortunately

@argonaut6386 3 жыл бұрын

Love that idea. Another great and clear video. If a current old SWA cable in an garage only has two cores ( Live and Neutral) and uses the armour as the earth would you need to install an additional earth rod incase the armour ever suffered corrosion or a s the armour deemed satisfactory?

@user-xk2fr3se3t 4 ай бұрын

The armour is deemed sufficient to be used as the CPC

@G1ZQCArtwork 3 жыл бұрын

I am aware this was a demonstration of nut V Banjo, but I would still have thought the Banjo would be better INSIDE the box. I do a lot of caravan hook-ups and insist the Earthing tags/banjos are all on the inside of the IP44 box, to cut corrosion, They very quickly go Black if on the outside. And don't start me off regarding the use of steel nuts and bolts, I have replaced no end with Brass.

@JohnSmith-ws7fq 2 жыл бұрын

What do you use for the lugs? Are the tin-plated copper ones preferable over the red/blue/yellow stuff?

@G1ZQCArtwork 2 жыл бұрын

@@JohnSmith-ws7fq I will not use anything ferrous on the outside of the box, and am particular on what I use on the inside, due to corrosion. Many times I have had to grind through rusted nuts on the outside. And replace brass banjos fitted on the outside, as they go Black. Quite often, people have used the SWA shield for the Earth. Which is OK in principle, but if they use steel fixings, the resistance soon goes beyond the standard to protect life, should a fault occur. Am I wrong to look to the future.?

@G1ZQCArtwork 2 жыл бұрын

@@JohnSmith-ws7fq As for lugs, I only use tinned copper.

@JohnSmith-ws7fq 2 жыл бұрын

@@G1ZQCArtwork Thanks, good points.

@paulhill9132 11 ай бұрын

I see no point in drilling a hole through a plastic IP66 rated enclosure due to the banjo being fitted on the outside of the box. Like others, I bend the banjo and fit it inside the box. Less holes in the box = less chance of water ingress!

@Ethanboyf 5 жыл бұрын

Where would I go about getting one of these lock but spanners? First time I’ve ever seen one

@efixx 5 жыл бұрын

Best bet would be to call your local wholesaler, they should be able to sort you out with one. Thanks for asking!

@G1ZQCArtwork 3 жыл бұрын

What is a lock but spanner.??

@trajo189 Жыл бұрын

Did you ever find the spanner in this video please?

@gussie990 Жыл бұрын

Locknut King Don’t think they’re made anymore. I got one from eBay.

@seankerr4649 4 жыл бұрын

I’ve never seen the nut spanner before? Is there any particular name for it so I can search for one?

@trajo189 Жыл бұрын

Did you ever find the spanner in this video please?

@o04n7h0n90o 4 жыл бұрын

Pilot hole??

@dunkdriver1972 3 жыл бұрын

Never seen anyone make such a hash of putting a banjo on. 😂

@Kottesque 3 жыл бұрын

So if you’re running between two plastic enclosure consumer units,does that mean the earth rings/nuts are redundant?

@efixx 3 жыл бұрын

No you still need to connect the metal armour to the CPC.

@socialscene6361 3 жыл бұрын

The armour is an exposed conductive part which could become live under fault conditions - so it should be earthed.

@Kottesque 3 жыл бұрын

@@socialscene6361 I've spoken to about six electricians since and they all say the same thing: "It's a protection earth in case the cable is severed (usually in the ground), and should be earthed." I have my SWA running over a garage roof and cleated to the wall, so no fear of it being 'dug into'...but I will earth the shell regardless...

@pipcopur 3 жыл бұрын

J.W. says not required on metal units but his video is from a few years ago. Is this a reg change?

@efixx 3 жыл бұрын

Depends if you are using the armour as the CPC conductor

@westinthewest 3 жыл бұрын

@@efixx Is using the armour as a CPC optional?

@devlinmaguire8074 3 жыл бұрын

Whaaaat there is a lock ring spanner well I never

@andrewkelsey7777 3 жыл бұрын

Hi guys I understand the idea of removing the paint for metal on metal connection and know you shouldn't make assumptions but I assume that the paint isnt there just for aesthetics and its purpose is to offer some kind of protection against corrosion and fire. That being said, will removing the paint, then make the ccu not comply with safety regulations? Good vid by the way.

@efixx 3 жыл бұрын

If it was an IP rated board in an area subject with water or corrosive chemicals then you would need to consider paint removal as an issue. Remember when you push out a knock out or drill a hole you are exposing uncoated steel. Paint won't last long in a fire!

@andrewkelsey7777 3 жыл бұрын

I am an adult learner who started level 2 (2365) this September. I find all your videos extremely helpful, and thought of the question during this video. Thank you for the reply and the information. Keep up the good work 👍

@avreclaim6469 3 жыл бұрын

Not seeing an EEC path there, if you are like 90 and use Banjos you have to lug off onto the banjo, not the other end of some random bolt. If you have to use banjos earth the banjo and using a stuffing gland to pass the ECC into the enclosure.