detection

detection

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  1. N

    grade B ld1 conventional fire detection system

    Are fire alarm companies/engineers the only people who can certify Grade B LD1 conventional fire detection systems? It’s on a domestic house Or can any spark self certify them through their competent person scheme using the certificate templates provided? I’ve been asked to install a system...
  2. S

    PEN Fault Detection on Whole Install?

    Hi All, I understand the requirement for PEN fault detection on EV chargers for TN-C-S installs (or to place an earth rod). However, when I was looking for something else entirely I came across this single-phase 100A PEN fault detector. What would be the use case for this? Would you ever need...
  3. OnlQQker

    Arc Fault Detection Device!

    These are going to become the norm aren't they? I've been reading this https://electrical.------.org/courses-resources-career/free-resources/consumer-guidance/arc-fault-detection-devices/ I was fixing the 21v motor on the Dyson this morning, and as usual my mind decides to wander. For years...
  4. sythai

    Grade A... fire detection/ domestic property !?

    Hi Guys Recently finished a new build house, 2 levels/ 5 bed. Wired AICO grade D LD2 system throughout. LABC has come to sign off saying needs to be grade A system. Havent got full details, just to chatted to builder (owner of property) on phone. Did only think this was required on a domestic...
  5. The apprentice

    Surge protection/ark fault detection

    Hi there just a few questions I have to do an install of a small ware house that was built in 2021 January (finished) client that is going into the warehouse specialises in laboratory. Now he has a lot of 3 phase machinery like mixers and small hoists which are all 3 phase the building adjacent...
  6. gazdkw82

    Security, motion detection

    Hi all, parents in law have been victims of crime at their home numerous times in the last few years. Last night they had an attempted break in at 3.30am. The 2 who were trying to break in ran away when they set the home alarm off as they managed to open the back door after breaking the lock...
  7. johnwicklover

    Does a three-pin socket used for Electrical Vehicle charging need a earth electrode or open PEN fault detection device?

    As the title says, does a three-pin socket (external) used as charging point need an earth electrode or open PEN fault? Are mode 1 and mode 2 exempt from this ? I was under the impression that anything used as EV charging point and if located externally, the installation would need to have...
  8. The apprentice

    Smoke detection and lighting

    Hi there, I was installing a smoke detector system (interlinked) while my mate changed the consumer unit. My problem is there was an existing smoke detector (not interlinked) with one 1mm cable at it so I used that as my supply to the interlinked system, after the fuse board was changed And...
  9. B

    Loft conversion Smoke detection

    Hi all, as most people will be aware the building regulations on fire protection for loft conversions are pretty strict. The situation I have on a couple of loft conversions is this. buliding inspector now requires fire doors on all doors leading onto escape route or smoke detection in ALL...
  10. spud1

    Observing fire detection shortfalls on EICRs

    Hi all, Do you guys and girls make observations on the fire detection when you do an EICR? If so how do you code it? I've always observed shortfalls in fire detection on an EICR and coded it seperately as 'FIRE' but I was chatting to another sparky the other day who incorporates his fire...
  11. Wilko

    Arc Fault Detection going global ...

    Well I ventured out into the kungflu today and one of the other items picked up was Professional Electrician for December. So I’m having a cuppa and reading, as I do. The article on p33 is about Amendment 2 to the 18th Edition. All good so far. Then I read that they are proposing all socket...
  12. Lister1987

    Wanting to get my head around fire detection and alarm systems...

    Can anyone recommend any good links, books, materials (Aside from bs 5839-1) for getting an understanding and looking into how these systems are devised, wired, maintained and such like? I know there was the IET Electricians Guide to Fire Detection and Alarm Systems - 2nd Edition, however I...
  13. W

    hmo fire detection

    In a building that is in the process of being converted into an hmo (11 flats) does the fire detection system need to be interconnected through each flat or just the common areas with standard smoke detectors in each flat
  14. Lister1987

    Wanted Looking for a copy of Electrician's Guide to Fire Detection

    I'm after a copy of this book but everywhere i'm looking I can't find a single copy (new) and am seeing listings for £200+ for used copies. I understand it's a discontinued book and that the publication of the 3rd Edition has been pushed back to 2020 due to Grenfell Tower tragedy, which is...
  15. N

    Grade D fire detection system annual certs?

    HMO property wants an annual periodic inspection cert for a grade D mains linked smoke alarm system. Far as I'm aware only installation and commisioning grade D fire detection system certs exists, and it's not actually recommended to give out annual periodics for these grade D smokes? Wiring...
  16. Pete999

    Arc Fault Detection AFDs

    There has been a few posts lately asking understandable questions about the installation and the inevitable cost of installing these devices , now at present AFDs are a recommendation only, or that's how I read it, correct me if I'm wrong please feel free. It got me thinking, and this suggestion...
  17. H

    Books for Fire Stuff

    Anyone got any book recommendations to learn a bit about all the commercial type fire systems and their appropriate standards. Don't fancy pulling out a small fortune for BS5839
  18. polo1

    Annual testing of LD2 smoke/heat detection systemstest

    Hi, what happened to the Fire Detection forum???? Anyways, are any of you guys involved in annual testing of smoke/heat detection systems in private rented properties? If so, what form of report/certification are you using? I've had a look on the NIC online certification site, but the only cert...
  19. Sintra

    A Guide To Different Fire Alarms And Smoke Detection Systems

    Sintra submitted a new resource: Fire Alarms - Fire Alarms Read more about this resource...
  20. I

    Ground Fault Detection Interrupter (GFDI)

    Some inverters are provided with GFDI and some are not. Is this a regulatory thing dependent upon the country of use intended for the product?

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