permitted

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  1. M

    Maximum permitted Zs question

    I am a lecturer teaching electrical installations and in reading through the on-site guide to prepare a lesson I have come across a section I have not seen before. On page 146 near the bottom, the OSG talks about applying an ambient temperature correction factor to the maximum Zs values given in...
  2. Highspark24/7

    Rcbo with higher than permitted zs

    Hi I was testing a large holiday let property which has a three phase supply and dB Now the original install was in 2012 and electrically is well done but poorly designs on socket circuits all rcbo are type c and only on socket circuits I am over the max permitted zs I would recommend change...
  3. M

    Existing chase and permitted routes

    Hello Was wondering what the professionals thoughts are with regards to moving a fixture and permitted routes. In this particular instance, I have moved a light switch about 15cm so that it's facing the room/door side as opposed to being around a corner. Additionally, the plan is to build a...
  4. B

    Max permitted Zs values...

    Anyone know where I can find max Zs values for these?.....and the 6a LN 5906....
  5. L

    Max Zs Permitted by BS7671 value

    Hi All, Thank you for welcoming to this forums I just want to clarify that the Value I need to enter 100% or 80% in the last column "Maximum Zs Permitted by BS7671" is it 80% from the table 41.3 from 18th Edition Regs - Page 62 or the value from Pocket Guide 18 Thank you Loges
    • Loges1504
    • Thread
    • bs7671 max permitted value
    • Replies: 32
    • Forum: UK Electrical Forum
  6. J

    Max Permitted Zs for 3036 semi enclosed rewirable fuse...

    I'm just hoping I can cross reference my knowledge or be corrected by someone on a quick query. It's a test question I'm doing but I'm querying the answer I've been given. I want to find the Max permitted Zs on a 3036 45A fuse. I was under the impression that I should reference table 41.2 in...
  7. D

    Are mains sockets permitted in bathrooms?

    Hello. I am extending my bathroom, but one of the walls that will be incorporated into the bathroom has a socket fitted. Is this allowed in a bathroom or is it best to remove the socket and fit a cover?
  8. soms

    Maximum permitted Zs values for circuits with TT earthing system

    Hello, I am assisting my supervisor and getting some first hand experience of completing certification by filling in an electronic copy of an EIC, working from a handwritten circuit schedule with test results and my memories of the installation work. I am at home so cannot ask him for advice...
  9. L

    Is surface mount cabling permitted?

    Forgive me if this is a dumb idiot question, but I'm not a sparky and I have a need to know. My wife and I are in a 15th Century cottage and most of the electrics is the original wiring from when electricity came to the village in the early '50s - lead covered stuff for the most part. We had a...
  10. D

    CPC Size & Max Permitted Zs

    Looking through our periodic certificate that was completed by a 3rd party, I've got a few queries that hopefully someone on here can clarify. We've got a Schneider Prisma switchboard (S3/MSP 3.1) fed from 11kV/400V Transformer. - What is meant by MW for cpc size of 2/TP and 13/TP? - Is there...
  11. UKMeterman

    Dno Hv Autorecloser Events Permitted Frequency

    Hi, I live out in the sticks, two independent HV Feeds from two separate primary substations with a pair of auto switches that control the single HV feed into the village. I have had 7 auto recloser events in the last 6 weeks, 3 of which in the last two weeks. At what point should UKPN get...
  12. M

    Permitted electrical work if unqualified

    Hi I'm managing a small bathroom refurb for a client. All that remains is to re-fit the light above the mirror and shaving socket. These cables were left live by the builder with the ends taped up, ready for the electrician to wire up the fittings but he can't get back for another week. I've...
    • ma701ss
    • Thread
    • electric electrical electrical work permitted work
    • Replies: 9
    • Forum: UK Electrical Forum
  13. S

    1MW Permitted Development

    Good news UK raises solar rooftop permitted development threshold to 1MW | Solar Power Portal
  14. D

    Max Zs permitted values..

    Hi guys n gals think I messed up my last post as it be gone... Anyhow got a question C32 30Ma 10k RCBO on a standard final ring with the same supply characteristics as ANOTHER final ring off the Db 6 inches from it... Live been going through the O/M manual and found the test sheets and these 2...
  15. K

    RooFit refused - planning for 100kw on roof

    Just wondered if anyone has had any experience of this. We put a preliminary application in for roofit and completed all the required information. We referred to the permitted development rights as the reason for planning permission not required. They have now come back after a couple of months...
  16. V

    what is the permitted voltage that the electricity board have to supply?

    Hi On a domestic premesis @ supply, what voltage must the supply be at, max and min permitted? their tollerence. Also if it is too high, what can they do to reduce it. thank you.
  17. S

    Commercial permitted development - confirmation required

    Hi Can anyone confirm the one meter rule from the external edge of the roof. i.e. what is the EDGE? Is this from the panels to the ridge? i am assuming the edge is the sides and at the eaves. I'm thinking the ridge is not the edge but confirmation would be appreciated. Thanks "the solar PV...
  18. D

    Not Permitted use of bs3036?

    Hi, why bs7671 for PFC may not permit use of bs3036 semi-enclosed for overcurrent protection on the TN-C-S installation where PFC is 1.2kA if bs3036 are rated between 1kA to 4kA? :dizzy2: Am I missing something? Thanks.
  19. S

    Planning permission when not permitted development

    What are you guys getting charged for planning permission when pv/thermal doesn't come under permitted development? I have been charge £195 by one council but another council wants £385 as they view it as plant/machinery.
  20. F

    single or double pole sockets

    is there a requrement to install double pole sockets as to single pole sockets
    • foghorn
    • Thread
    • double permitted pole single socket sockets
    • Replies: 7
    • Forum: UK Electrical Forum

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