demand | Page 2

demand

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  1. Y

    Q6 Demand and Diversity

    hi I am doing level 3 . I need help in Q6 How I can find the demand and Diversity Thanks
  2. HoverSPRX

    Max Demand/Diversity Query

    Hello All, Iv been asked to pick up the remedials on someone else's EICR that was done last year on a school for Deaf Children. One of the items listed on the report is the conductors leading to the sub mains from the main panel are undersized. I popped the cover off to have a look and sure...
  3. C

    Current demand & load per phase Q

    Hi all, This is my first post on this forum. I'm currently doing my C&G 2365 and I've found myself completely stumped on a problem that's probably quite simple, but which I've had a lot of conflicting answers for from various people, which has left me a little confused. I'm working on a design...
  4. dc-electrix

    Maximum demand and diversity electric flat

    Hi All, Making some alterations in an existing flat and scratching my head about required supply to flat. It is all electric, 1 bed, 1 bathroom. Electric shower 9.5kw Instantaneous Water Heater 9.5Kw Cooker Oven & Hob 6Kw 1 Ring main 3 Electric Heaters...
  5. B

    Max Demand for mixed use commercial units

    Hi, Looking at a potential job. Agricultural buildings being divided into 10 mixed use units of around 1000 sq ft each. Present supply is a 100A TPN incomer. Future use of units is unknown at this stage, but planning is for B1 B2 so uses could be anything from a warehouse with a bit of lighting...
  6. Lekky1

    Exceeded max demand questions

    Hi guys, I have been asked to fit a ring main in a utility room currently being built with a outside socket and a lighting circuit with 4 led lamps and a outdoor light, this much I am comfortable with. My issue is with the max demand, The current consumer unit is loaded to the max with 212amp...
  7. C

    Maximum demand question

    A client contact me as they are getting the supply upgraded to a block of flats and UKPN need a figure adjusted for diversity for each flat. The original contact didn’t give a crap about the supply capacity. x6 flats have been refurbished and during this process x6 15kw electric boilers for...
  8. J

    max demand for 12x all elec flats

    starting 12x flats next week that will be all elec -with a rather juicy electric boiler (12kw)- havn't won the intake/communal work yet- but just doing my pricing for it ready does my maths look good for working out the max demand and kva of main supply- currently it is only 100a TPN so around...
  9. Doomed

    odd demand from building company

    New build houses, full system boilers with the big cylinders with seperate thermal cut out and temperature probe which come with a pre fitted link connecting them. Have been told to remove this link and feed the main live feed for the whole system through it (after the fused switch spur) so if...
  10. 8

    Best TV on demand combos for cheapest??

    Hi Thinking of ditching virgins big cahona bundle and possibly tv subscriptions altogether, what are the best services I can get for minimal outlay? I'm paying over £100 per month and my contract will end soon, I am aiming to be less than £50 per month, so here is what I was thinking if you...
  11. C

    New member needing help with commercial max demand

    hi I’m new to this site. Need help with max demand and diversity of a large catering trailer. Thanks
  12. T

    DCP 161 implementation April 1st and calculating KVA, maximum demand

    I have alluded to this in previous threads. The commercial site I work on has asked me what I think the total KVA for the site is. Having looked at various ways of viewing this I am getting lost with it. So if I just say kVA = ( V*A*1.73)/1000 and assume supply is 400V and take the main incomer...
  13. Michaelwgroves

    Complex Installations demand calc

    I've treated myself to the IET Electrical Installation Design guide. I've been looking at section 3.5 Complex Installations. There is a calculation for calculating demand based on number of dwellings in a group. Please see picture of relevant page. Seems simple, sub domain is 66.44A, demand...
  14. HappyHippyDad

    Max demand for a 2 x 3kw immersion heater?

    Evening all.. I was at a job today and the plumber asked me to fit a supply for a 2 x 3kw immersion heater. I have asked him to send the model number so I can check the MI but have not heard from him. I will be returning tomorrow to carry out the job. I expect it is something like...
  15. Dave301

    Max demand for Caravan site

    Hi there, Looking for some advice with a new caravan park. There will be 25 plots for static with a potential 15 being added in the future. SP Energy have quoted to supply 150KVA 3phase. Now I work that out to be 216A but will that be per phase. And also does anyone know where I might find...
  16. G

    Help with Maximum Demand needed

    Hi, I am studying to become an electrician. I got a question wrong on a practice test. Can anyone help me understand maximum demand. this is the question I got wrong..... Question 27: With reference to the nature of the supply, which one of the following can be determined by calculation...
  17. D

    Maximum Demand Installation

    Evening all. At the risk of being ridiculed I wonder if someone can clarify something for me! On the initial inspection forms for installations there is a box for "maximum Demand". This can be in KVA or amps. I've been told that you add all the breakers on the board up then it is 40% of this...
  18. Cadgey123

    DNO maximum demand message.

    Just started doing my first block of flats as a Qualified supervisor. I have 5 flats and a landlords supply to wire up. Done my calculations a while back and told the DNO I would need require ADMD of 12.5 kva for each flat which I thought was reasonable, Considering I have 3 rings, 2...
  19. D

    Max demand Help needed please

    Hi I have an assignment to complete and it's asking for max demand before diversity and max demand with diversity, I'm basically stuck on how to work it out. Any help is appreciated I have about 30-35 circuits
  20. 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...

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