load

  1. S

    Inverter unbalanced load

    When trying to match an inverter to a PV array I come across figures for 'Unbalanced Load'. What causes an unbalanced load and how critical is this.
  2. robd

    RCD tripping without load

    Evening all. Just got a ''on your way home could you just'' call out to an outside shed fed from an MCB inside the garage of the main house. Water had got through the roof at weekend, RCD had tripped, couldn't turn RCD back on. I assumed it would be water in the sockets or lights but...
  3. S

    Difference between spilt load and dual RCD?

    As the title - what is the difference? I plan on replacing my CCU (MK Sentry) with a dual RCD and see spilt load mentioned but am not 100% clear on the difference. Additionally... I currently have 2x lights, 2x sockets and 1x cooker circuit on there. The 2x sockets are on the single RCD...
  4. 1capybara

    WIRES BETWEEN PANELS PROTECTED ON LINE SIDE ONLY, not by load side breaker?

    Is This is an America code [NEC] code thing only? Or does 17th edition or IEC have the same thing? A wire runs between 2 panels is rated to carry 400 amps. Its fed from a 600A breaker on the line side, and has a 400 Amp breaker on its load side [the panel being fed from the other one]. Under...
  5. L

    Is this total load correct?

    Guys I'm putting 9 x 35W GU4 downlighters in my parents bungalow all on one switch, they are SELV 12V As I have good access to the loft I'm going to put them on their own circuit, I'm just trying to work out the total load in Amps If the voltage is 12 and wattage 35 then I get it to...
  6. G

    Pir sensors for flood lights, parallel wiring 2 sensors to one load

    Hi all, Is it possible to wire two PIR sensors in parallel in order to give two beams of coverage with just one flood light as the load. Have you done it? I am concerned that if one sensor activates, 230v would get onto the output of the other without the other having been activated. I have...
  7. R

    split load kit

    Wylex 16th ed board. unprotected side and rcd side. Im doing some work on the unprotected side and want to fit rcd. If i bought a split load kit (rcd and tails), will this come with a neutral bar and can you get the clips to hold it.
  8. S

    Wilex split load dual RCD CU

    Can anyone tell me if I could pick up the casing ALONE for a dual RCD split board. I've got all the parts just the casing n cover
  9. C

    Lo Load Issue?

    Hi I am currently getting used to my PAT tester - it's a Seaward Primetest 100. I have gone to PAT test my fridge freezer. - plugged fridge into Pat tester - connected earth test lead to suitable point - Pressed the appropriate button BUT the unit is coming up Lo Load. I know it...
  10. A

    Cooker Load in New Build

    Installing first fix wiring in a new build and the kitchen will have a range cooker. There is no mains gas and bottled gas is not desirable. The cooker will therefore be all electric with an induction hob. The manufacturers website (Rangemaster) have a MAX load on the cooker of 17.4KW (around...
  11. H

    Max load on 850watt dimmer

    ? trying to work out max load on 800watt dimmer with 50watt low voltage down lights have to calculate the load by the amount of 60va transformers instead of the lamp watts not sure how to convert the amount of 60va transformers into max watts for the dimmer
  12. G

    Vehicle lift stops under load 2.2kw 1ph motor

    Hi- I am looking for some help/ advice please.I am a mech fitter- not and electrician- all advice gratefully received- I have a 3 ton, 2 post lift. It is electromechanical - screw type. No Hydraulics. It had a 3 phase motor fitted when I got it, but I only have 240V supply. I have fitted a...
  13. M

    Work load

    Just curious, how come there are so many forum members veiwing on a Monday morning? Are you at work or home. Is there enough work around at the moment? Me I start at 10.00am:confused:
  14. hollywoodsparky

    cables getting hot on half load

    I have a machine fed with singles in trunking, 3 phase, all test out ok, short run but cables are getting very warm, unit has a motor which also tests ok . Any ideas????
  15. carl9254

    A Load Question

    Hello, still learning about electricity. Got a question. For example, if i have an oven rated at 2kW max and a hob at 5.2kW max and i have a connection unit run off the ring supply, they are both connected into this connection unit, if the hob is on full and the oven is on low will the load of...
  16. P

    Split Load Board Certification Question

    Hi,How does everyone fill out the certs for a split load board to include the RCDS if issuing a DOMESTIC ELECTRICAL CERTIFICATE? How do you include the details of the split loads and the submain RCD characteristics into the boxes provided? Do you test RCD tripping times for each circuit even if...
  17. D

    Diversity and max load

    I done some calculations regarding diversity for max load and also determine my main switch rating for my board.... can someone tell me if i done my calculations right... i have trouble getting my head round this, got my ELECSA assessment coming up, want to make sure im not getting things...
  18. D

    Maximum Demand Load (Certs)

    Hi guys, ready for it yet another blonde moment from me, trying to get my head round my training. Regarding Maximum Demand load Amp/kA on the certificate If you have an existing installation you can measure the maximum demand load by by switching almost everything on the circuits and...
  19. A

    Heat pump - Locked rotary amp vs full load current

    Hi all I'm running a supply to a customers new pool and have the spec from the pool people. In the heat pump section it states: 20A main supply fuse, but then states that the LRA is 66Amps, and the SLA is 14.3 Amps. Am I right that the LRA (locked rotary amp) is the startup current, and that...
  20. I

    Split Load CU (Economy 7)

    Lads General question, I have Econ 7 and the current board is intergrated with day rate, Im considering upgrading my board for my NICEIC assesment. Can I get say a 14 way board and put 2 100A Main Swith and then split the board for day rate and night rate using RCBO's?? Or do you have...
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