load

  1. K

    16kw 3 phase load. do I NEED 4 OR 6 SQ CABLE? Thank you

    16kw 3 phase load. do I NEED 4 OR 6 SQ CABLE? Thank you
    • kerryblue
    • Thread
    • 3 phase cable calcs correct load phase thank
    • Replies: 16
    • Forum: UK Electrical Forum
  2. DaveVector

    Problem with split load CU

    Hi Folks, I've had a strange and frustrating day today. Installed an MK split load Consumer unit to replace two rewireable fuse boards. Earth system is TT 14.5 ohms PFC is 1.86 M ohms I've split the load over two 63A 30mA RCd's as follows (left to right from main switch): Oven, Downstairs...
  3. A

    2 way Isolator For GSHP immersion with 2 supplies and 1 load

    I am going to fit a 3 phase 6kw immersion heater in a 500litre cylinder. this forms part of a 30kw GSHP system. The immersion is required as top up when the GSHP is not enough to generate enough hot water and the immersion kicks in via GSHP control to lift the temp further. It is also required...
  4. P

    bench mounted pillar drill running at a reduced speed even when its not under load

    hi guys, We got a bench mountepillar drill, which is running at a reduced speed even when it is not under loadconditions.what could be the fault?
  5. N

    Split load dual RCD

    Please excuse my ignorance but what is a split load dual RCD,or a split board. Don't slate me I'm based in Ireland.We use RCD's and RCBO's. I'm just curious.
  6. F

    Unbalanced Load

    Would someone please advise me on the correct way to calculate the main protection device required when I have two 25KVA 2 phase 380vac transformers with a secondary voltage of 120vac. The First transformer would be connected across phase 1 & 2, the second across phase 2 & 3, therefore giving me...
  7. Rockingit

    LED lighting dropping out under circuit load

    I have a complex domestic - incomer is to a primary board in a pump house, main house is fed from a sub board via a 50m 35/3 SWA on a DP B63 (+ shunt). Two other sub boards, plus a load of dedicated radials all doing various 'heavy' services like water plant, ground source etc. Being a new...
  8. S

    17th Edition and the Split Load Board

    Going to sign up for my part p next week - I have a lovely CU change in a small bungalow to do which I will submit for the inspection. Going with Elecsa. The small bungalow only has: 1 ring final 1 lighting circuit 1 shower 1 16a feed for the boiler I'm just thinking that I can put in a...
    • SKY
    • Thread
    • 17th 17th edition board edition load split
    • Replies: 22
    • Forum: UK Electrical Forum
  9. Joe S

    What load can this 2.5mm T&E take???

    As above, I have a plumber who's changed the water heater on a finished garage annex that we've been doing. The original one was 1.2kw in a bathroom undersink unit. There is an electric rointe 750w towel rail aswell so I put the two on the same circuit to save ways in the new board. He now wants...
  10. G

    Apartment Load Schedule - Safe?

    I'm just about to move into a new apartment in the Philippines. I know the electrical code here will be different here to that in the UK, but if you could tell me if it's safe, or whether we're all going to burn to a cinder, that would be a great help! :) I've attached the load schedule. I'm...
  11. O

    Calculating circuit load

    OK, got my tin hat on and have my running shoes on so I can to the bunker...... Looking at a customers "downlight" design for the kitchen/breakfast/family room. They have 32 lights marked and yes, they are planning on buying 240v x 50w fittings. Calculating load says you should use 100w per...
    • Octopus
    • Thread
    • areas calculating circuit fittings load switched these
    • Replies: 16
    • Forum: UK Electrical Forum
  12. jason121

    Building Heat Load Design

    Does anyone know much about heat load design or were i can purchase software
  13. S

    Split load and HI board question

    I've got a consumer unit to change which is tight for space. It's a neighbours house and when I did my board at home I used an 8 way wylex and RCBOS, this worked out ok but it might be a bit dear for the customer compared to a dual RCD set up. The only issue is the customer had a burglar alarm...
    • sambotc
    • Thread
    • board customer load question split third wylex
    • Replies: 4
    • Forum: UK Electrical Forum
  14. D

    how determine load wire on AC line

    Hi, Just bought a house (in Sweden, so 240V) and am trying to figure out what's going on with the wiring, as it seems a little strange. I have typically have two black wires coming out of my wall, and one green(earth). I would assume that one black wire is load, the other black is neutral, and...
  15. M

    Load calc for 3 phase supply??????

    Hi all, i need the calculation applied to work out the current per phase for a 3 phase circuit. Found a 9.1 kwatt heater on a 25A triple pole mcb (60898), so on single phase load divide by volts = amps, but this is not the case for 3 phase, any help much appreciated????? Oh i found the heater...
  16. N

    Square D Load Centre RCBO ????

    Could somebody confirm that the RCBO that fit a Square D Load Centre is the QOE? Thank you all!
  17. D

    Split Load CU

    I was discussing the wiring of split load twin RCD consumer units with a friend last night. I wire them with the largest MCB amps next to the RCD (first feed) then decreasing down to the smallest eg. 6 amps. He disagreed and said it should be the other way, smallest first. I tried to...
  18. V

    voltage Optimiser - A Load Of Bull?!?!

    Hi Guys, Just reading through my spam and got an email for a voltage optimiser - claiming to save you money by reducing the voltage!!! MyPlanet Voltis Voltage Optimiser To me this is bull, if something need 1kW to work then it will consume 1kW..no? My Math example: At 240 volts: 1000watt...
    • VMan
    • Thread
    • appliance load units voltage voltage optimiser volts water
    • Replies: 33
    • Forum: UK Electrical Forum
  19. R

    My current course provider is a load of ****

    Hi guys I hate my current course provider! They have completley mis sold me a course and ripped me off big time! I may even have to take legal action if i dont get some answers quickly
  20. W

    load question

    hi guys am trying to work out a question with no luck. if i have a single phase load say30 kva how do i work out the load per phase if i was to split the load over a phases.
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