Search results

  1. J

    Posi joist wiring ref

    Evening What ref method would you give t/e running the web of a posi joist? 100mm insulation below the posi joist then a MF and plasterboard ceiling below that Cable not touch insulation Cable touching:clipped to posi joist
  2. J

    high current LED lights

    This week I nearly learned a hard lesson re this!! (using a Lutron RA2 inline dimmer to control 6x 700ma 13w LED fittings) https://www.lucent-lighting.com/site/assets/files/6952/2605-cb-tl-1.pdf So I thought 6x 13w=78w- thats fine its well within Lutrons stated 150w of LED load. But after having...
  3. J

    Swimming Pool- bonding

    Afternoon An internal swimming pool (recessed into the concrete floor of a basement in a domestic house) The pool has a metal frame However all pipes feeding the pool are plastic Am i right in thinking I do not need to bond the metal frame as it is not a extraneous metal part ? nor do I...
  4. J

    200a tpn for house?!

    Can i scratch your head (bare in mind biggest i have done is 25mm 4core ?) I am tendering for a big house new build I think they already have 100tpn (But in a kiosk 40m away from house) And i think they are doubting its big enough now (they sent max demand table below) So they are asking for...
  5. J

    basement conveyor belt skip- lighting

    Evening Been asked to light up a road hoarding covering a skip for soil of a basement dig- not done this before. Am I correct in thinking it is common practice to just take 110v builders lights over to it- rather than taking 230v over a public pathway! Thanks J
  6. J

    Zero rate vat to sub contractors

    Morning guys I am doing some new build flats that qualify for zero rate vat. So I am charging vat at zero % to the main contarctor. However I have a lad working for me (labour only) on the job but he is VAT regiestered. I deduct his CIS from his invoices to me. Do I pay him vat or should he too...
  7. J

    electrical window wiring/control

    Doing a rewire of a kitchen where the exisiting electric windows are remaining The previous controller/connections was cut out and thrown away with the builders demo! Never really had to connect up a electric window before- I have extended the 2x 2core cables the go to the 2 windows- with a...
  8. J

    0-10v dimming (Lutron)

    I have been given a tasty basement job in Fulham The lighting is by a lighting designer AV guy to cover lutron RA2 controls- me to 1st fix Some of the lighting is spec'ed to be 0-10v 1) what is the advantage of 0-10v (as the wiring seems more invloved)- just smoother dimming? 2) is it a case...
  9. J

    TV wiring for 9x new build flats

    Afternoon Just so I can agree with the builder- can I get advise on following. What wiring I need per flat to allow for sky and standard tv aerial So per TV position in each flat (average flat 3x TV positions- 2x WF100 cables to flats utility cupboard- so if 3x TVs- there will be 6x WF100S...
  10. J

    texecom help!!!!!!!!!!!!!!!!!

    trying to config a texecom 64w wireless system front door contact ground hall PIR groud hall RKP 3x other ground hall PIRs 1x 1st floor landing PIR the zones and attributes are giving me a f****** headache my thinking front D/C- entry/exit 1 with access and guard ground hall PIR- guard...
  11. J

    Retention on jobs for new client

    Evening all I have been asked if I would be happy to accept a 5% retention clause for 6months on a quote I have sent for some work I have quoted for. The company (builders) have 13 years records on company house the 5% would be around 400quid+vat so not a massive amount I have said I would...
  12. J

    1 head, 2x properties- check meter

    Afternoon Looked at a rewire/ rear extension job today They are turning the one property into 2- the ground floor side annex will consist of 1x dining/kitchen area and bedroom with en-suite (gas heated) So electrical load will not be a issue They do not want a new head and meter for the 2nd...
  13. J

    1x swa to do 2x circuits

    Looked at a job for a old boy- and wanted to keep costs down for him and make my job bit neater/simplier Job is to get new swa from new little rcbo board inside house to a external ip65 light switch and then into 6x external lights then he also wants to power his little shed at end of garden...
  14. J

    SPD for dis board change in warehouse

    With upgrading a TPN dis board in a warehouse- i am guessing I need to fit a 4pole SPD even more so with 18th edition out I will be installing a hager 12way TPN board with a 4pole incomer kit. Technical Properties SPN415D -...
  15. J

    RCD protection in a warehouse

    Is there such thing as a three phase RCBO??! Needing to install a three phase circuit for a 8kw three phase heater- connection by a 20a comando I want to use the metal trunking I will be installing for various 13a sockets- so the circuit doesn't need the rcd protection- but i beleive the 20a...
  16. J

    builders supply- amendment 3

    afternoon first time since amendment 3 came out that I have had to install a TT system I need to install site temps on a plot of land ready for new build flats. UKPN will be installing a new PME temp supply Am I right in thinking I am ok to take my tails through a nylon Wiska tail gland-...
  17. J

    lutron- number of control panels

    Trying to price a job where they want Lutron to control the lights. Not worked with Lutron Before- as have only done a Loxone course. I understand the basic principles of wiring the lights back to the panel and then using the lutron cable/cat6 from the panel to the wall stations quick look...
  18. J

    intake for 14x flats- meter spacing

    Morning chaps Finally doing my 1st intake on the 19th! It is for 14x flats and 1x L/L supply SSEN are installing the new incoming supply and they said they are also supplying and fitting the Ryefield board and the main isolator (I thought this needed to be done my me as a BNO??) Anyways they...
  19. J

    max demand for 12x all elec flats

    starting 12x flats next week that will be all elec -with a rather juicy electric boiler (12kw)- havn't won the intake/communal work yet- but just doing my pricing for it ready does my maths look good for working out the max demand and kva of main supply- currently it is only 100a TPN so around...
  20. J

    looking for specific sized alcove lights

    Afternoon builders have cut the wrong size hole to what I told them for shower alcove lights and now finding it hard to source ones that fit their hole! I told them 32mm and was going to fit these: Mini Recessed Walk-Over LED Light IP65 - White -...

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electric Underfloor Heating Electrician Courses Heating 2 Go Electrician Workwear Supplier
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

Advert

YOUR Unread Posts

Daily, weekly or monthly email

Receive a daily, weekly, or monthly email containing a digest of new and recently updated threads.

Advert

Tilers | UK Tiling Forum | Tilers Forums | Find a Tiler
UK Tiling Forum by Tilers Forums UK
Plumbers Forums | Plumbing Advice | Gas Forum
Gas Forum | Unofficial Gas Safe Register Forum
Workwear Shropshire
Top Bottom
Back