Connecting up an AFDD unit (Arc Fault Detection Device) and Powering it up in a Crabtree Board
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- Опубликовано: 19 янв 2019
- AFDD identify dangerous faults caused by arcing in electrical circuits and are designed to switch off the circuit before a fire occurs. Under the 18th Edition of the Wiring Regulations and beyond wider use of these types of devices is expected. This video shows a practical demonstration of building and then connecting up an AFDD from Crabtree.
Click the link below AFDD protection by Siemens
• Siemens 5SM6 AFD units
• Arc fault detection de...
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Interesting setup. Here in America the arc fault device is also the circuit breaker, no need to pair it with another breaker. Your manufacturer's found a great way to make you buy more! We also have combination AFDD/RCBO breakers in the same module, so one space to protect them all.
Our code book requires arc fault protection for basically every circuit in a new house. It also requires that we upgrade to arc fault if we add an extension to an existing circuit. Welcome to the Arc Fault club, siemens will be along shortly to collect your dues.
Wow thanks for the detailed comment from the Sates. We are about 12 to 18 months away from a combined single device. All the best and thanks Gaz 👍
Here in Germany Siemens is the only manufacturer how sells the afdd and the MCB/rcbo in two different parts. I think your crabtree is made in the Siemens manufacturing plant and only labeled as crabtree. Hager Eaton, Legrand, Schneider,ABB have monoblock design.
Top guys. Very good videos as usual and what's nice is that you respond to nearly everyone that comments. Shows very good interaction for a successful channel. Keep up the good work guys. You deserve to grow bigger and better
Thanks for the lovely comment more content to come 👍 thanks Gaz
Great video hopefully they will combine the AFDD with the RCBO in the future to save cost. Currently they are very expensive.
I wonder if a piece of test gear is going to appear to check sensitivity / time etc, like we have for RCDs? I absolutely love this new AFDD set up. I wish it was around me years ago. I retire soon and years ago we would chat round the brew table about such a device appearing. “Narr, never in a month of Sunday’s was the conclusions! Well, here it is. I’m more than impressed. And amendment 3 last year. Brilliant. It’s such a refreshing change to see improvements rather than accessories and equipment going thinner and cheaper in quality, and more dangerous. Us sparks have been complaining for years! Real changes, rather than the usual rhetorical opinions etc.
Thanks guys. A brilliant video again!
Hi. Thanks for commenting in detail and watching Gaz 👍
Helpful video showing how to fit. Thank you. Can see in the same way Crabtree reduced the size of the RCBOs that it's quite likely in time these will be become a mini combined unit taking up 1 way
Great upload as always. Top Guys!
Great video. Nice to see them without having the opportunity to fit one yet. Do you know if there’s going to be a test for these? Like the tests we carry out on RCDs?
Very informative video gaz 👍🏼
Great video team 💪💪💪
Nice one lads, great explanation. 👍
Another good video 👍
Quality video guys.
Thanks Gaz 👍
With both of these together would it not minimise the amount of available space for rcds/rcbos
great video apart from no boot lace crimps for flexible conductors? just splays the strands and breaks them.
Can you do one for spd's aswell please? And still looking forward for a video on heating systems hahah 😉 keep them coming.
Hi. I have put my SPD rig on my Instagram page👍. Thanks for commenting and watching Gaz
@@GSHElectrical great will check that out thanks Gaz
Money money money, do you really think sparks will be fitting this lot post Brexit? Great video though and what a good channel this is.
Hi. Thanks for commenting Gaz 👍
John Ward recently tested an AFDD and it didn't appear to work very well. It would be interesting for you to do a similar test and also test the Wylex one, which is an integrated unit.
Hi JW’s videos on AFDD’s are very interesting 👍 thanks for commenting and watching Gaz
So is it 1 device for every breaker or do you have to use AFDD on every breaker?
Ie afdd + 6a, afdd, 16a breaker
Or is it AFDD, 6a, 16a, 32a extended the bus bar?
i think need more details with complete fitting.
Hi just for Clarity please.
Will every circuit need to be covered by an AFDD device?
Is there an AFDD device that covers several circuits like and RCD?
Will every MCB module require a ‘bolt on’ module like this effectivley doubling the size of the CU?
Many tha ks
Hi. The AFDD is just a recommendation/consideration in BS7671 but know doubt in later amendments will be come a requirement in given situations... within 18 months the unit will be a single module. Thanks for commenting and watching GSH Electrical 👍
very good video, though expensive and only 1 year warranty ? i get the price but the warranty length is appalling
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I think IT won't Flash half the window but it will Flash between clear and Red, Red and yellow, and clear and yellow
i understand that they say afdds are for final circuits, but do you think they will make ones that would replace rccbs in split load consumer units ?
Hi. Single modules within 18 months 👍. Thanks for commenting and watching Gaz
@@GSHElectrical hi Gaz that's not what I meant. I was meaning about having and afdd with and rccb to bring costs down for the client because although there will be single modules they will still have a massive cost.
@@paulmerchant9015 I doubt it as the regulations try to lead you towards RCBO boards as it is. Electrical work will be >5% of the value of your house soon!
On a practical note, unlike RCDs where faults are often relatively easy to guess and find, a fault detected by an AFDD could indeed be anywhere in the installation - narrowing it down to a single circuit at least gives you a chance of finding it before you rip all of your hair out.
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If it has Overvoltage protection ,is that not what an SPD protects against ? Therefore it will be an MCB, RCD, AFDD and SPD in a two module device ?
I suspect that the detection and protection time for the overvoltage part is not anywhere near fast enough to help with the surges that a SPD protects against.
SPDs are designed to suppress and divert the excess energy (with discrete components) from a surge to stop it destroying the rest of the installation. The AFDD will simply detect it (digitally), and do its best to cut off the circuit.
They likely threw in that little crumb of extra functionality simply because the existing circuitry and software could do it.
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How come british electrical regulations are so wayyyy behind to what adequate regulations says in most of the European countries...?
Good job can request if you can not do subtitle in vedio i cant see what u doing in vedio... plz or make it small
Hi. You should be able to get subtitles via RUclips in all video on the platform. Thanks for commenting and watching GSH Electrical 👍
Don't know why crabtree does not incorperate the afdd into the housing of the tall rcbo housing they combined afdd and rcbo in the same device in America and other country's
Hi. They reckon about another 12 months before it’s a single unit device. Thanks for commenting and watching Gaz 👍
If an Electrician is competent and experienced there would not be any need for an AFDD, or is the trade now catering for amateurs and Firemen?
A fault causing an electrical arc could be caused by any number of incidents caused by other trades or indeed the homeowner.
These devices will detect faults in connected equiment as well - arcs from frayed appliance cables/extensions, arcs in cheap electric heaters etc.
My understanding is that AFDDs can significantly affect ethernet power line adaptors... Has anyone been able to lab the scenerio up yet?
Ethernet powerline adapters are basically the devil anyway so I only see that as a good thing.
They only pass regulations on noise in ideal conditions/test setups and not when actually used. Your mains wiring acts as an antenna for all of the high frequency noise that the devices generate. The noise generated is across a range of frequencies and tends to swamp amateur radio bands as well as the 2.4GHz range and others.
@@mowcius I don't disagree. But I think it would be interesting to see the results. For the ham enthusiasts though survey it would give them a more challenging fun project in filtering and recovering the snr... Too easy for them now days ;)
@@themoog I think it's the HAM radio enthusiasts trying to listen to those signals that are basically lost in the noise under *normal* situations that get upset when you raise the noise floor!
Do you know who is looking to develop single module AFDD?
Hi. About 8 months ago Crabtree told me it would take 18 months for a single unit AFDD/MCB.
ruclips.net/video/LphmdNBxajo/видео.html
Thanks for commenting and watching Gaz
Sounds like Richard osmond 😅
The dual module ones are no good just too much wasted space you'd end up needing a consumer unit change
Hi. It’s emerging technology within 12 to 18 months it will be a single unit. Thanks for commenting and watching GSH Electrical 👍
it is useless speaki.g aboun Nm unless you put ferules on the wires... And don't forget about the accidental touch protection.
i doubt many people will fit these, just like spd`s, the cost of a mains board will be astronomical, plus a lot bigger than your average board, waste of time, the only place you may see these, are council houses because they have money to burn, despite what they say
Hi. Thanks for taking the time to comment Gaz
need a 30 way board lol
Hi. Thanks for commenting and watching. Single unit device within 18 months 👍. All the best Gaz
You absolutely don't need to pay $60 for this gadget that breaks down every 6 months, don't, just put a regular one and will last you for ever for only 5 dollars.