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diversity

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  1. M

    Help with Farm/Light industry diversity

    Hi There, Moving into deeper waters & needing a little assistance with calculating maximum demand/diversity on a farm/light industrial site planning to upgrade to 3 phase, add a car repair workshop, 63A events socket & allow for future proofing. Current single phase setup: Diversity for...
  2. G

    Single Oven / Induction hob diversity

    Hi all, I have been asked to install an induction hob to an existing circuit on a 32amp mcb. The oven is a Siemens HB13NB521B rated at 20amp, the hob is a samsung NZ64H37070K rated at 32amp. My friend is telling me that he has been told by "the man in the shop" he can run both on the one...
  3. P

    Diversity factor on rewire

    I'm going to rewire my house, and was wondering if it's ok to have 2 shower circuits as well as cooker, sockets and lights off 1 cu, or would it be better to have 1 of the showers on a separate cu, because of the available water pressure the 2 showers are never on together.
  4. cprfenom

    Diversity on AC condensers

    Does anyone know if condensers can have diversity applied? Or is it naturally built in to the calculations?
  5. G

    Diversity for a double oven

    Hi all, Can I please check my understanding of diversity for cooker circuits and the installations of cookers. My understanding is for cooker circuits (cooking appliances) is you take the first 10A then 30% of the remainder plus 5 A if you have a socket on the circuit. To me this means if I...
  6. S

    hot tub in garage (diversity)

    house supply 100A tns 32A mcb feeding garage(10mm swa buried ) 100A board.. currently with lights on 6A and sockets on 20A ....customer wants massive hottub installed in garage ....problem is manual says requires 2 x 32 A supply for tub ........any suggestions ?
  7. Pete999

    Diversity explained by non other than JW watch and learn trainees

  8. S

    Application of diversity

    good evening all! sorry it is a late one. I have been doing a college assignment over the past 2 days which involves designing circuits calculating design current, volt drop and all that good stuff. One aspect is applying diversity. Now usually I am fine with this. I know to use table A2 of...
  9. Ian1981

    After demand diversity

    Does anyone know the working method the supply companies use to calculate after demand diversity. Most new houses are supplied with 100amp fuses in the cut out. Now obviously the average houses don't come anywhere near using that amount of current, however the DNO must allow a working average...
  10. CDB

    Diversity Table A2 OSG P118

    Morning all, Thumbing through the OSG guide today and I have a couple of questions regarding the above table. Firstly, just a idiot check but electric showers would fall into no.5 water heaters of the instantaneous type. I know this but so often doubt myself. Secondly, No. 9. Am I right...
  11. G

    Rangemaster diversity calcs

    hi all I've got a Rangemaster to install and just want to check my diversity calcs. It's say it's 14.5kw so I make the 63a using diversity I make it 26a or with a socket 31a. There is a 6mm cable on a 32a mcb, I'm thinking of changing it for 10mm and 40a mcb as its a bit close to max of the...
  12. P

    Caravan and Camping Site - Diversity

    Hi Guys I'm doing an EICR and making expansion proposals for a Caravan Site. This is for holiday not static caravans. Simple question - how many 16 amp outlets can I have off a 63 Amp supply? Currently 8 pitches are fed from a DB containing individual 16 Amp RCBOs, fed from a 63 amp supply...
  13. T

    Cooking appliances. Diversity versus practice

    Hi, I have a customer who has bought a 7Kw hob to compliment a 4.8Kw double oven. He didn't realise the extra power consumption would put additional loading on the existing 6mm cable. My initial response was to tell him that an additional circuit was required and due to locations of consumer...
  14. A

    Diversity Calculation In Offices And Workshop

    Hi i'm currently doing some course work and have no access to the On site guide. Does anyone happen to know the diversity for, lighting, ring mains, Welding equipment, TP-N equipment and a car ramps. The building is an Office building and a workshop, Thanks.
  15. A

    Diversity in Offices and workshop

    Hi i'm currently doing some course work and have no access to the On site guide. Does anyone happen to know the diversity for, lighting, ring mains, Welding equipment, TP-N equipment and a car ramps. The building is an Office building and a workshop, Thanks.
  16. Adie moore

    do manufacturers apply diversity on their product info lables

    woh, long title, sorry. I ask because I have never clamped a cooker circuit before. I did yesterday, hob was labeled 6ka and when all 4 rings were on full, from cold, it pulled 31a for a good 5 minutes till the thermostats started kicking in. all well within the constraints of cable, but not...
  17. J

    Cooker diversity with SEPARATE oven/hob

    Hi all, Looking at replacing kitchen. Current setup is 2.2kw oven, 5.6kw hob.. total = 7.8kw on 6mm cable, back to a 40a breaker. The current cable run is short.. 2m from CU, in breezeblock/plaster.. 2m clipped direct, to a 45a switch (for oven in tower).. 3m spurred from that, on...
  18. P

    Cooker diversity calculations

    Could someone please just giving me the nod that I'm not nuts! Simple cooker swap big range induction beast with max draw of 16.2Kw With a socket I make it 33Amp. Imagine my confusion when customers shows me all the materials he has for the job which a spark has charged £500 for but no longer...
  19. valleybilly

    NIC & Diversity to cooker/hob on single 6mm Radial

    Been told today by an nic chappy they no longer apply it even when conditions allow . Asked him for the reg and the reply was ( i dont know the reg but its in the red book ) .
  20. C

    Ovens One at 3.45kw with 16A rating and one at 3.65kw with 15A rating - same radial?

    Hi all, I recently started training to become a domestic installer. I have some practical experience and some knowledge of part P. Also done a little testing but only continuity and insulation resistance. A friend of mine is fitting a new kitchen and will be having two ovens side by side. He...

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