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  1. B

    fire hoods in loft space,, downlight confusion!

    Hey guys, i got asked to check out someones lighting in their massive bathroom!!! it was huge, but anyway they had 6 normal non fire protected downlighters installed. I got up into the loft space, two of the transformers had gone and one of the ceramics had worn out. I even noticed on top of...
  2. A

    Grade D fire alarm system in office space

    I'm on a job at the moment in a old detached house that has been converted into a office share building ( 6 small offices that would suit 1-2 people per office) this is spread over 3 floors and includes two small tea stations. The customer has their own safety company involved who have told...
  3. Spoon

    Minimum working space around electrical equipment

    Hello people I need a bit of help confirming Minimum Working Space around electrical enclosures. For example: 10A 1PH 230V enclosure mounted on a structure with a hand rail in front of it, in an EC country. What I have been using for the minimum distance between the enclosure and the hand...
  4. D

    one socket above another

    Morning to the Forum. Been asked to reposition double socket around the corner but there's less room.Is there any convention against fitting two new s/o one above other, apart from looking odd. Replies appreciated. Dean.
  5. S

    Man to jump from space...

    Red Bull Stratos - YouTube
  6. A

    7W heater/lamp for loft space next to boiler??

    Recently had a my boiler fixed which is located in the roof space. He recommended that i get a 70W heater/lamp installed near the combi boiler due to the cold temperatures this time of year to stop any condensation type problems inside. Does anyone have any suggestions what he might mean?
  7. A

    Finding space for new wiring.

    My wife has inherited a sixties house with it`s limited amount of wiring. To bring it up to modern standards I need to have plenty of extra wiring fitted. Basic info; The comparable house prices in the area are £400 k ish. It`s all got nice smooth plaster and ceilings. But the ground floor is...
  8. O

    No space for new CU.

    Afternoon all, Just got back from inspecting a domestic that is having a new CU installed. Thing is, the DNO in all their wisdom have been out and fitted a posh new isolator as requested, FOR FREE, and put it in the only space big enough for a 17th board. Now to the question, Can a CU be...
  9. S

    space around fire rated downlighters?

    just a quick one...a job we are downing includes installing downlighters along a corridor of a house. The void is only 90mm. I want to use fire rated 240V downlights, but before buying (from the internet) a lot of the shallower ones i'm looking at doesn't specify a clearance dimension around the...
  10. B

    Wiring large industrial DBs

    got quite a few large scale industrial DBs to connect up in the coming weeks. Have done a good few in my time and like to keep them as tidy as possible. i usually use the square cable tie bases to tie the cables to the inside of the DBs but thought I would ask you guys if you have any tips to...
  11. D

    Ground mounted solar

    Would you know the advised distance between solar frames on a ground mount system Ie one system directly behind another? The back of the first system is 1900mm affl and the next system behind this should be 9000mm away to clear sunlight at 12 degrees in decemeber (its in scotchland!) But that...
  12. E

    EUSR /Confined space cards

    Can anyone tell me where I can get the EUSR card. Also any place I can get a book on the exam like you can with the cscs. Also how much is it.
  13. L

    Fire rated 50w halogen in pitched roof? - advice

    evening fellas Im doing a job next year where the client is having 17 downlighters in total, originally he wanted LED until he saw the cost, the reason was not for energy saving purposes but for heat generated by the halogen, The construction of the building means there is no flat ceiling...
  14. S

    How do you choose a panel?

    Hello everyone, ive just started to get into pv with my mcs accreditation date just around the corner!!! the question im asking is how do you decide what panels to you? Do you use the same panels/make all the time ? i know i lot depends on roof space available but when pricing against other...
  15. polo1

    ZNShine ZX250(48)MS Panels

    Hi guys/gals, anyone have any experience of the above panels? I've decided after much debate to go for a pv instal. Unfortunately, looks like the max I'll get on the roof is around 2kw. The company I'm happiest with has quoted the ZNShine panel, hence I'm looking for installer/user feedback. By...
  16. T

    Small PV panels (physical dimensions)

    Hi All Due to space issues, i need small panels on my roof to maximise kWP. The Sanyo N235 and N240 are obvious candidates due to their relatively small sizings but reasonable peak output. Are there any other similarly sized panels out there? Most of the installers I have seen use panels of c...
  17. G

    Panel efficiency, an explanation please

    Could anybody please explain the relevance of panel efficiency in real terms? e.g. Sanyo H series 250W panel - 18% efficiency Sharp 250W - 15.2% efficiency Mitsubishi 250W - 15.1% efficiency 16 of either of the above panels would give me a 4kW system so where does efficiency come into play...
  18. C

    Additional CB space needed

    Hi All, some advice required please. I am in telecomms but need to have some wiring work done by a sub-con but want to check it's ok first. I need to install 6 CB's but have no room in the MDB: MDB = MCB63A with SPD, 2x16A, 2x6A (one of the 16A is spare) Can I install an ACPDB next to the MDB...
  19. D

    3 phase overhead power supply

    Hi folks I need some guidence on this. There's a 3phase overhead power supply feeding exterior accommadation at a hotel. What it seems they've done is taken the cable out at the chimney area at either end and then split the phases like you see on an electricity pole (wish I'd taken a pic). The...
  20. B

    RCBO's replacing MCB's

    Hi guys, I am quite new to all this and I have a number of questions running through my head. One of them being..... Do most RCBO's fit into the space occupied by an MCB to enable that circuit to be RCD protected as I have seen posts to suggest this might be possible? (Of course this would be...

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