load

  1. F

    What CSA is the Neutral conductor in this split load 17th CU unit

    Had a look at a split load 17th edition RCD CU, quite new - one of the sides has a solid copper neutral that runs off to the Neutral bar on the DP isolator of the CU. Basically, due to a loose connection, a bit of Arking has gone on and made a mess. I want to put a new Neutral in to replace the...
  2. T

    High integrity or split load CU

    I rang my wholesalers today and asked for a price on a high integrity consumer unit saying it needs to have the 3 neutral bars. he left me 5 mins and rang me back with a price. He said it comes with a 100a isolator and that's it, I asked how is it split... Like a 5+5+2 ect.... He then said...
    • TPES
    • Thread
    • aus integrity load split
    • Replies: 2
    • Forum: Australia
  3. Goody

    Question on maximum demand (load)

    Hi, the maximum demand (load) in a property is as follows: (4x32+4x6)0.40 = 60.8 amps and the main fuse rating is 60 amps. Does this comply, taking tolerance into consideration? What is the tolerance in this kind of situation? Should I ask DNO to upgrade the fuse and the tails? Many thanks!
  4. M

    why you need to balance a three phase systems and what a unbalance load does?

    Hi everyone i'm currently halfway through my cg2330, i wonder if somebody can help me on balance and unbalance load on a 3 phase systems the basics i needs only , they are split into single phases systems i want know about efficiency, running costs, cable and switchgear sizes advantages etc.. thanx
  5. P

    another load of idiots stealing copper

    this time some innocents were very lucky to be alive. my cousin lives in the street next to the houses and he was lets just say least impressed when he got woken up. BBC News - Castleford explosion: Copper cabling theft linked to incident
  6. S

    Calculating the load demand to supply cables

    How do i calculate the load demand to supply cables for the following situation:- A 3 phase load of 20kW SUPPLIED AT 400V with a power factor of 0.6
    • spacky860
    • Thread
    • aus cables calculating demand load supply
    • Replies: 2
    • Forum: Australia
  7. K

    Full load versus demand factor result

    Hi Engineers, just want to clarify something. I have a computation of Total Full Load Current of 195 Amperes. My client gives me a demand factor of 0.70, multiplied to my Full Load Current 195 Amperes results to 136.5 Amperes. My decision is to use a 200 Amperes Main Breaker, am I right with...
    • keynotez
    • Thread
    • aus demand factor load result
    • Replies: 16
    • Forum: Australia
  8. D

    Large load UFH

    Doing a kitchen job at the moment and as is the norm electric under tile heating has been specified throughout the tiled areas. Being a big area the load (about 4kW) is greater then the stat can handle so i'm going to have to fit a relay or contactor in line with the load. Firstly, does anyone...
    • Dunc
    • Thread
    • aus large load ufh
    • Replies: 6
    • Forum: Australia
  9. B

    32A mcb 36A load

    Hi all on a periodic how many of you would code 4 a shower drawing 36A protected by a 32Amcb just dont want to be to picky but i feel it should be noted to cover my back
    • beaver74
    • Thread
    • 32a aus load mcb
    • Replies: 9
    • Forum: Australia
  10. T

    2 Cables used to supply one load.

    While inspecting a premises I have come across...a 3 phase cold room with 40amp mcb protection.The problem is...the supply cable is 2x2.5mm 4 core and a separate 4mm earth run along with the 2 cables.The 2.5mm cables are doubled at the mcb,(does this create a 5mm supply). A 5mm supply cable will...
  11. L

    On Load v Off Load

    Am i right in saying that off load switches break the neutral and line feed, and on load switches just break the line? doing my 2330 303 exam on tuesday!!
    • lady electric
    • Thread
    • aus load off
    • Replies: 5
    • Forum: Australia
  12. jon jordan

    B & Q split load board full mcbs BG nexus

    been into b n q today seen this on offer £50 inc all mcb's split load 12 way i think off hand maybe 10 main switch on left case was a bit flimsy but what do ya want for £50.. make was BG nexus . anybody fitted one whats bg stuff usually like ? jon:p
    • jon jordan
    • Thread
    • aus board fitted load mcbs offer sorry split tails
    • Replies: 30
    • Forum: Australia
  13. P

    Split Load Consumer Unit Question.

    Hi. Can anyone explain the following? You have a 100A trip on the incoming then two RCDs typically 80A and 63A. The 80 and 63 are RCDs not RDCOs, therefore trip on earth leakage (30mA?) but not on overcurrent. What happens if one half is pulling 90A? The RCD is over stressed but the...
  14. G

    Link leads in split load board

    Hi all. I have got a split load board but the link leads to feed the RCd are missing. Has anyone any views on using the blue and brown out of a 10mm twin and earth to do the links? The RCd it would be feeding is a 80amp RCd protecting a 32 amp, 16 amp and 6 amp mcb's
  15. L

    Wind load calculations

    Hi, Does anyone use any software for wind load calculations. If so how do you use the information to ensure the additional wind load is ok for the structure. I have seen other people use structural engineers but does anyone do it themselves and how. It is ok to say a building (domestic) of...
  16. I

    Consumer Unit Load

    hello guys i have a query if you have a C.U. with a 63A main switch fed from a 60Amp main fuse, does the total value of Mcb's fitted have to be below 60Amps before diversity? or is it that as long as the max demand is below the 60Amps ? I have always thought as long as the max demand figure...
  17. alisha

    Auxiliary power for load bank

    Could you please advise regarding auxiliary power for load bank? Could it be used UPS system with suitable output power for that, there will be contactors and cooling fan with maximum load 7-10amps.
  18. D

    Split Load cable kit To create unprotected Way on Consumer Unit.

    Has anyone created an unprotected way on a consumer unit using a split load conversin kit. In effect converting a "normal" Unit to a High Integrity Unit. And does this in any way fall foul of the 17th edition regulations. The reason I ask is because I've been asked to install a supply to a...
  19. G

    Wylex NHRS6604 Split Load Can It be make to Dual RCD

    Hi All After abit of help not sure if this can be done. Can you make a wylex NHRS6604 from single rcd to dual and if so how. Cheap Wylex NHRS6604 NH Split Load Board Kent Products
  20. D

    Load balancing / pooling

    Hi all, We're just quoting on 6 terraced cottages which are all owned by one landlord and rented out. We're basically doing 6 different installs with 6 inverters, 6 strings etc but all panels laid out next to each other across the roof. Does anyone know of a way we could load-balance the...
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