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  1. amlu

    small wired alarm system recommendation

    Hello Im working on a quote for rewiring a small restaurant, got an alarm system in the specs and got to price something in there. 5 PIR sensors and 3 door contactors, control keypad, all wired. Its not my daily part of business and im not sure whats good on the market those days. Can you...
  2. M

    Do I need an MCB for a small inverter (120W)

    With a small inverter (120W), is it necessary to have an MCB for overcurrent protection? As the inverter can only produce 0.5A (say, 2A to be optimistic), it should never be able to melt those 1.5mm2 cables (rated 21A). Am I missing something important? We do need an RCD for sure. Just...
  3. H

    3 phase machines

    Was looking at a job where the customer wants another dishwasher same as the one that they have. The one they have has a rating plate which says 6.6kw/12.4A. It is wired in 6mm on a 40A mcb. Length of run is 10mtrs. Now I would have thought that 400x1.732=692.8 6600/692.8=9.53A therefore a 2.5mm...
  4. D

    Main 100A switch tripping

    Visited a job today. Small shop. 'Lectrics are tripping out. Ok! Newly rewired due to the problem that still exists. New board 100A main switch. Not rcd. Board has 12 rcbos. Intermittent tripping. When it does trip it takes out main switch and ALL rcbos. Tncs system. Not widely experienced so...
  5. E

    small building site temp distribution

    I am setting up some temps on a small site consisting of approx 3 110 transformers 2 portacabins offices sitting on top of each other, a portacabin toilet and a portacabin drying room. The supply is a 3 phase DB. Im thinking use 1 phase for the trannys, 1 phase for the offices and the other...
  6. B

    Neff Oven Bulb Change Causes Fan to Stop Working

    Hi, Please can someone advise me about the following issue I have had. I have a Neff U1644 double oven of which the light had stopped working in the top, small oven. I had a spare bulb to replace the one that I believe to have failed but unfortunately the filament in the new bulb was broken too...
  7. J

    CRM software

    We are a small company of 11 staff and are looking for CRM software that is easy to use and sparky friendly. Can anyone suggest one that works well?
  8. Soulsurfer

    Store heater in small bathroom

    Hey all, just wondering on possibility of fitting up an XL6N Dimplex in a small bathroom as would it likely be alright as long as outside of Zone 2 ? I think it's IPX2 rated and designed for in there as no controls on it otherwise client will need to get wall heater or similar. Last minute...
  9. Energetic

    TPN DB small size to fit in meterbox or IP rated.

    Hi all, Looking for ideas, I need to get a TPN board in a meterbox or something that is waterproof. Location is exposed to weather. thanks in advance. e
  10. M

    Advice required for generator earthing

    Hi everyone. Not sure if this the right place to post this, have tried posting elsewhere with no replies as yet! We are doing an off-grid system for a small log cabin. It consists of a 6kVA SDMO generator as back up to a small battery set and 4.5 kWp solar PV array with a 3.0/4.4 kW...
  11. M

    Help with earthing arrangement for generator on off-grid PV system

    Hi everyone. We are doing an off-grid system for a small log cabin. It consists of a 6kVA SDMO generator as back up to a small battery set and 4.5 kWp solar PV array with a 3.0/4.4 kW Sunny Island. The problem I have is the generator has a floating earth. After some research I was going...
  12. M

    Earthing arrangement for small 6kVA SDMO 6000E Generator

    Hi everyone. We are doing an off-grid system for a small log cabin. It consists of a 6kVA generator as back up to a small battery set and 4.5 kWp solar PV array with a 3.0/4.4 kW Sunny Island. The problem I have is the generator has a floating earth. After some research I was going to link...
  13. Joe S

    Testing Mains Heat Alarms? Small fire with no trigger!

    I have had an elderly customer who has recently had a small fire in her Kitchen from a pan. Her daughter has contacted me to ask why the alarms didn't go off. I have since been in contact with the manufacturer of the Alarms and their response was ' the button test is sufficient and no other...
  14. marconi

    Electric towel warmer in small downstairs loo (ex pantry)

    My wife wants a towel warmer in our small downstairs loo. The loo was once a small pantry. It is about the size of a telephone box, toilet in front, door behind, small sink to the left and wall to the right. When I stand in there for a pee, my bum is 6 inches from the door, the right wall 6...
  15. L

    Power to a small garage.

    Which size cable will I need to run into a garage which will be containing a small garage do consisting of 3 double sockets and 2 lights. And what size breaker it will it need to go on ?
  16. O

    MK RCBO FE flylead ferrule size?

    So decided to make some alterations to my garage /workshop cu design (used by me only so no access to small kids, joe public, assorted morons etc...) (2 small enclosures with a stacking kit), however to get one of the RCBO flyleads back out, ended up having to cut the cable tie off that was...
  17. HappyHippyDad

    Any ideas for a small rain shelter to work outside?

    Morning everyone. I was wondering what you guys do if you need to work outside in the rain? I dont mean if it's a torrential storm, just some rain. In paricular I just want to be able to cover a small area and have one or two tools with me. It would have to be something that just pops up or...
  18. A

    Small industrial unit EICR qiestion

    Hi, I am new to this forum I'm just after a little advice regarding an EICR I am doing and wondered if somebody could help me. I am just completing an EICR for a small industrial unit. It has a 4 way 3 phase distribution board, with the old type M5 MCB's. There is an 100A 1361 2b fuse for each...
  19. B

    In line relay required

    Good morning all. I'm looking for a suitable solution to this problem. I am installing a heating system in a property which is to be controlled zonally via the Honeywell evohome Problem is that the relays for the evohome can only handle 5a maximum and one of the heaters is 1400w - almost 6a...
  20. C

    RCD not tripping

    Hi all I'm stubbed on a new installation which I tested today. It is a M2 split board with a TT earthing system. All test results were fine until I attempted RCD tests. The test button works on both RCD's and the RCD main switch. The main switch is 0.1A and the two RCD's is 0.03A. But they...

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