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gazdkw82

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Looking at a domestic RCBO 10way board which includes SPD and AFDD protection. Iv looked but cant seem to find a board that offers all these things.

I thought hager offered RCBO's with AFD protection, but I cant seem to find it as 1 package.

Fusebox offer a decent 10way SPD board but the addition of a fusebox AFDD seems impossible.

Any suggestions?
 
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pc1966

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Esteemed
Wylex & Crabtree do single module width RCBO/AFDD for their boards, and you can get a basic board with incomer switch and SPD in various sizes.

Not cheap mind, but none of the AFDD are...
 

Pete999

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Arms
Esteemed
Looking at a domestic RCBO 10way board which includes SPD and AFDD protection. Iv looked but cant seem to find a board that offers all these things.

I thought hager offered RCBO's with AFD protection, but I cant seem to find it as 1 package.

Fusebox offer a decent 10way SPD board but the addition of a fusebox AFDD seems impossible.

Any suggestions?
What made you opt for AFDD and SPD protection?
 

gazdkw82

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Trainee
  • Thread Starter Thread Starter
  • #6
What made you opt for AFDD and SPD protection?
SPD because it's a friend who has alot of expensive gadgets I'd like to protect.

AFD because I view it as a necessary protective device
 
I personally haven’t installed any arc fault devices yet , are They really worth £80-90 a breaker...
do we suffer enough arc faults to justify the cost ?
i know they use them in America and Canada because their extension leads and plug tops are susceptible to arcing
 

gazdkw82

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Trainee
  • Thread Starter Thread Starter
  • #9
I think it depends. In my situation the client has fancy TVs, expensive cameras, top of the range drones, scooters, projectors etc....

Some of those could easily be effected by a surge, if they were to be effected then the cost of replacing one of those items outweighs the cost of a SPD.

Plus, kid like to future proof the board to a degree. I think we can all agree SPD and AFD will become mandatory so if I can squeeze it into budget then I'd like to include both
 

pc1966

Arms
Esteemed
To me having SPD fitted makes perfect sense for any house really. But then I have greater reasons to fear divine retribution than many...

I doubt that AFDD are really worth the cost premium now in the broad sense (i.e. how many fires per 1000 homes they stop versus the cost of fitting out a 1000 homes, etc) but obviously if it was your house that had a fire the cost is worth it.

But longer term I see that all RCBO will eventually have AFDD capability and it will become the norm in 5-10 years to fit that, a bit like the rise of all RCBO boards in place of split RCD, in place of single RCD, as the cost of the electronics parts drops.
 

Mike Johnson

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Arms
Esteemed
Have the powers that be caught up with the all RCBO board and altered the warning notice on the DB something along the lines of.

"This installation is fitted with earth fault protection on each circuit, these devises need testing every six months by pushing the button marked "T" or "Test" this should switch off the supply to the individual circuit it protects, to re-instate the supply switch the individual devise back on, if the device does not switch off when the button is pressed, or will not switch back on, seek expert advice."
 

gazdkw82

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Trainee
  • Thread Starter Thread Starter
  • #12
Have the powers that be caught up with the all RCBO board and altered the warning notice on the DB something along the lines of.

"This installation is fitted with earth fault protection on each circuit, these devises need testing every six months by pushing the button marked "T" or "Test" this should switch off the supply to the individual circuit it protects, to re-instate the supply switch the individual devise back on, if the device does not switch off when the button is pressed, or will not switch back on, seek expert advice."
Isnt the term now "biannually" ?
 

Mike Johnson

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Arms
Esteemed
Biannually tends to mean in a calendar year, if the installation was done part way through a year it would not work out correctly?
 

pc1966

Arms
Esteemed
You get labels saying to test twice a year. The hope is you do it when the clocks change.

The reality is it gets done when the cows come home.
 

gazdkw82

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Trainee
  • Thread Starter Thread Starter
  • #15
Biannually tends to mean in a calendar year, if the installation was done part way through a year it would not work out correctly?
Agree but biannually is what they teach at college now
 

gazdkw82

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Trainee
  • Thread Starter Thread Starter
  • #17
Does it have to be a true 12 month year from Jan to Jan? or just a 12 month period? your move.
Twice a year.

There isn't 2 January's in 12 months.

If said RCD was fitted in march, personally I would test march, then september. Repeat the next year.

Basically every 6 months 😁 haha

Thats my take on it
 

Mike Johnson

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Arms
Esteemed
If the RCD was fitted in March and then an EICR carried out in May the test would not have to be for another six months, As I said at the beginning "every six months"
 

gazdkw82

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Trainee
  • Thread Starter Thread Starter
  • #19
If the RCD was fitted in March and then an EICR carried out in May the test would not have to be for another six months, As I said at the beginning "every six months"
I was commenting on what the labels now say. Not what they mean. As far as I'm aware, the labels now say biannually. Interpret it how you want.
 

gazdkw82

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Trainee
  • Thread Starter Thread Starter
  • #21
I take it back. Iv just checked the onsite guide. It says "test six-monthly"

Sorry for the confusion.
 

gazdkw82

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Trainee
  • Thread Starter Thread Starter
  • #23
I think you will find you where the only one confused, but nevertheless you can now go back to collage and tell your tutor's they where wrong. :innocent:
Yes I was, hence apologising for my confusion.

I will feedback to the college that they are wrong but in all fairness, I should have checked myself rather than take their word.

My mistake
 

Mike Johnson

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Arms
Esteemed
When learning anything you have to trust what you are being told by those that should know better, and we assume that to be a tutor they should know better, the problem I have found with all those in an academic role they loose the essence of what they are imparting and rely on books and other members of the academic staff too much, not being on the ground and practicing what they preach, Oh dear I sound as though I am now preaching............................
 
I think it makes more sense to have 'biannual' = every 2 years and 'semiannual' = twice a year.

just saying...
 

Mike Johnson

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Arms
Esteemed
How about Perennial or half Perennial. :rolleyes:

Has anyone got any sensible comments on the original post's intent:

Have the powers that be caught up with the all RCBO board and altered the warning notice on the DB something along the lines of.

"This installation is fitted with earth fault protection on each circuit, these devises need testing every six months by pushing the button marked "T" or "Test" this should switch off the supply to the individual circuit it protects, to re-instate the supply switch the individual devise back on, if the device does not switch off when the button is pressed, or will not switch back on, seek expert advice."
 

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