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  1. HoverSPRX

    Commercial 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...
  2. haptism

    Varilight Dimmer max loading

    Hi, hope someone can advise. Ive just called Varilight helpline in regards to max loadings on their 300w trailing edge LED single gang dimmer. They tell me that I can have a maximum of x30 10w leds on the dimmer. Most info out there regarding dimming LED suggests to divide the dimmers wattage...
  3. H

    Advise needed. Diesel generator loading issues

    Hi everyone, I would really appreciate some advise. I'm a domestic electrician but my neighbors asked me for some help on a issue he has and here I am. So my neighbor has a tree surgeon company, they have a yard where the cut and dry logs as well. So they've just got a new drying system...
  4. T

    Loading bay traffic light

    I've been asked to install some 24v red/green traffic lights for some loading bays. Basically when the shutter doors go up the lights need to turn red and then when they go down they need to turn back to green to signal the lorry driver it's safe to pull away from the dock. Has anybody...
  5. dlt27

    Grain loading machine wiring

    Please could someone help! When in manual this grain loading machine works if start button is held in. Ie when start button is released hold in contact not keeping contactor held in. I am only your basic everyday spark so could do with some advice if possible. Also could someone explain what a...
  6. T

    Cooking appliances. Diversity versus practice

    Hi, I have a customer who has bought a 7Kw hob to compliment a 4.8Kw double oven. He didn't realise the extra power consumption would put additional loading on the existing 6mm cable. My initial response was to tell him that an additional circuit was required and due to locations of consumer...
  7. M

    Hi everyone, new member with a loading question for a garden granny flat!

    I am building a granny flat for my increasingly wobbly mother in our garden. All proceeds well so far except it has obviously cost more than expected! My electrician suggested to save ourselves money, we can put in the three core armoured cable that he will attach to the electrical supply in...
  8. C

    Structural Engineers Reports?!

    Hi all, Just wondering what you do regarding Structural engineers reports, seems a bit of a grey area and id be interested to see if you guys get reports and if so are they remote or onsite visits? We only install on domestics and none are very old ie old cottages or farms, to be honest the...
  9. S

    online solar calculator

    Hi, I recently received an e-mail (and subsequently cannot find anymore!) which indicated that an online software tool was available for solar PV calculations. The bit which I was particularly interested in, was the wind loading, snow loading reports etc. Has anyone else recently seen...
  10. 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...
  11. G

    Generators

    Hi, As part of my college project I need to size and choose a suitable generator unit for my building(supermarket). Does anyone know of a good company that supplies Generators and where i could get information about this. Cheers
  12. F

    School Sub-mains Install

    Ive been tasked with providing the electrical supply for a new Home Economics room in a local private school. I have the plans for the installation which comprises of 8x Freestanding Electric Cookers (32A Max each) 12 x 2g Switched Sockets (light load only) Now this isnt normally an...
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