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systems

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  1. jason121

    Valuation for rating of PV systems

    Has anyone come across this yet. New build shed with PV on will be subject to the VOA. I suspect that every building will be subject to this. Another Tax?
  2. A

    Need to cover wiring systems for NVQ :(

    Hi guys, Im coming to the end of my level 3 C&G and will be taking my AM2 and regs over the summer, Although ive heard lots of combinations to get the JIB card as I am aware this will entitle me to my JIB Domestic electrician gold card, In order to get my NVQ I will have to cover all wiring...
  3. E

    Do RCCD's work in two phase systems

    Hi, I'm a newby hear and wonder if anyone can help me with this question. I work on a ship and our sockets are 2 phase 220volt instead of Live and Neutral 220volt, i.e we do not have a star point at our transformer. Our network voltage is 11KV / 440v Delta / Delta and then transformed down to...
  4. D

    Used UPS systems

    Hello gents Ive been a sparks for 20+ years and work mostly in office refurbs. I come across so much old computer equipment and UPS systems all in great condition and it all just gets dumped....Im just asking if anybody knows of any companies that buys back at a fair price any used equipment...
  5. M

    TT systems parallel earth paths

    Good Morning Gentleman i have recently been testing house all of which are overhead supplies fed and the bog standard earth rod installation however we had some serious earth path issues with a39 ohm earth rod when combined with the bonding taking it down to 0.27 ohms almost tncs then the...
  6. VoltzElectrical

    central heating systems help!

    I have no experience in the installation or fault finding of, central heating systems. I don't do, and have rarely done, domestic work. I volunteered recently to look at an elderly lady's situation whereby the system had been installed, then altered as the room stat was relocated from the...
  7. P

    Good video on earthing systems

    First watched this a video a while ago and would recommend it for anyone trying to grasp the differences between the earthing systems... Types of Earthing System for Electricity Supplies (UK): http://youtu.be/AWxeb2MI37c
  8. H

    New job - seeking information on home automation / lutron lighting

    I've recently started helping my friend on a few big home automation jobs. We're both qualified electricians but he's being doing this high end fancy lighting/ custom installing work for a while now and I want to learn as much as I can to help make myself more employable to his boss. They deal...
  9. J

    Nest Thermostat

    Hi, hopefully one of you knowledgeable chaps can help me. Looking to think slightly out the box here. I already use nest thermostats and protects which work great and tick all the boxes for me. We are moving home soon and will be installing underfloor heating that Nest out the box doesn't...
  10. N

    Job Opportunity- Immediate start

    The Vehicle Group (TVG) are looking for experienced Auto Electrical Engineers As a growing business, we are always looking for great people to join our team. We are currently seeking exceptional Auto Electrical Engineers to fill both full-time and sub-contractor positions with immediate start...
  11. The Solar King

    Multiple small systems on same building.

    Can someone keep me straight here. I am involved in a building conversion where seven small 0.9kw systems are going on the roof, one for each flat. One thought just struck me. Will they all work? The building has a common supply which then feeds each flat which has its own incomer, meter and CU...
  12. R

    Looking to monitor 3phase over 2 systems

    Hello, looking for some advise from you please Just had solar installed on the roof of the factory It's two separate systems as the unit has two grid feeds 12kw & 24kw Looking for a system to monitor the generation and consumption over the two systems as a whole We could connect to the...
  13. The Solar King

    IET Code of Practice for Grid-connected Solar Photovoltaic (PV) Systems

    This is now available for download and comment from here: Draft code of practice for public comment - The IET Martin Cotterell of Sundog who has been involved with this has written an informative blog at Solar Power Portal: Preparing for the upcoming IET solar PV code of practice | Solar...
  14. J

    Fire Alarm Systems

    Hello everyone . I have recently started a new job which involves testing fire alarms, and the subsequent remedials, mainly in pubs. I'm a sparks with 2391 and 17th and I've done it since I left school, I'm 28 now . I hadn't had much to do with fire alarms before now , but I find the testing...
  15. G

    Far Infrared Heating Systems

    Does anyone have any experience of fitting domestic far infrared panel heating systems? I'd be interested to know what they involve in terms of installation. Having read a bit about them and seen them installed in a school I wonder if it might be a good thing to get into as the price of fossil...
  16. I

    Intruder alarm systems?

    Advice please? Who's alarm control systems do you install and why? And do you use the same brands sensors and PIRs? Where do you get them from? Are they all pretty much the same? Not asking much :) Thanks
  17. M

    door entry systems

    hi guys, as a well established electrical contractor carrying out all types of electrical work we have never undertaken door entry/access works, any tenders that have included this we always have subbied it out. as we never have undertaken these works we are obviously not as skilled/clued up as...
  18. S

    BAE Systems is recruiting Mechanical Engineers - Propulsion in UK

    For a Mechanical Engineer, challenges don’t come any bigger than this… In this role you’ll be responsible for the key capability of a nuclear submarine – the secondary propulsion plant that powers and propels the platform. Key technologies such as the Electric Cruise Propulsion, Main...
  19. Worcester

    Solar Thermal Maintenance Visits - What do you charge?

    We're getting a lot of requests to carry out maintenance visits on Solar Thermal systems - interestingly they are mostly Worcester Bosch systems and all are with soldered joints, and every single one has at least 3 other elements not compliant with current standards above and beyond the solder...
  20. The Solar King

    ASHP hybrid systems with Gas

    Does anyone have experience of fitting or performance of these systems? Several manufacturers including Worcester Bosch supply. I am very twitchy as to the efficacy of this solution. They look attractive especially where the thermal performance of the building is poor. However this is the very...

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