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  1. C

    Job opportunity, you'll all wat it

    This was just posted on Rated people, Hornchurch area east london/essex, please form an orderly cue, Additional information: Im after some electricians to undertake some rewiring of local properties in the area ,any one with any experience of house bashing ,looking to pay between £90.00 and...
  2. A

    Solar PV Load Diverter

    Hi I have a 4 KW solar pv system on my roof and are producing power abundantly. FIT is good although I dont want to export all of the power for obvious reasons. I heard about solar pv load diverting devices like solarImmersion that can send the extra power to immersion tank to heat water. Are...
  3. S

    Looking for solar install team contractors

    If you're looking for some extra installation work, we are looking for some contractors. We are currently looking for a solar PV installation team to complete residential (4KW max.) solar installations in the west midlands area. The installers must be MCS registered and have installed solar...
  4. Energetic

    Funding for training.

    Looking at doing some more training in the coming months, is anyone aware of any small business funding help for electrical/renewables? e
  5. H

    All types of led lighting

    As requested, discuss .......
  6. K

    Is 20A double pole switch sufficient for total load rating of two ovens?

    Hi there, I'm installing two ovens, each with a total load rating of 3.5kW. (see details of oven here). The kitchen already has a 20A double pole switch and a 45A dual outlet plate. Is the switch sufficient because I've calculated that the current is likely to exceed 20A? However, I'm not sure...
  7. S

    Megger ppk 210

    For Sale Megger part p kit. This consists of seperate test units to conduct Live and Dead testing. LRCD210 Loop and RCD Tester & MIT310 Insulation and Continuity Tester It has never been used and is being sold 'as new' condition. The unit is over 12 months old so it will...
  8. S

    How to properly test an RCD

    .....and there's plenty of humour on this thread Ben, forget your multifunction tester when it comes to RCD's. Use your multi meter, push the RCD button, and check that both poles have opened, and check the type and rating of the RCD. Job done, Regs complied with. The only truly useful...
  9. B

    BS EN 61243-3 2010 Voltage Indicators

    Might be panicking a bit here but, have been looking at getting a proving unit and noticed a few Martindale packages come with the voltage indicator and they have this message in the write-up which states ; Martindale VI13800 Voltage Indicator The new VI13800 is identical to the industry...
  10. M

    3 phase isolation

    I am currently on a nc electrical course i am struggling with the 10 steps required to perform a safe isolation can anyone help with any links or suggestions? I get so far E - L1 L2 L3, N - L1 L2 L3, L1 then what?
  11. F

    Amtech and Fault Current and Discrimination

    Hi All, Having done my model for Amtech LV. I have noted that when Descriminating between two breakers the Pscc is taken at the load end of the circuit when analyazing discrimination between breakers. Example being:- The discrimination limit between upstream device Q1 and downstream device...
  12. S

    Reverse Engineering

    I am trying to do a bit of reverse engineering and work outhow the socket outlets on my newly purchased bungalow are installed. Here are some facts: For the circuit in question the CU has two 2.5mm T&E cables connected to a 32A MCB. There are 19 socket outlets (SO) on the circuit in...
  13. S

    solar design

    What's with these guys. I want to buy an upgrade but they never answer their phone or return a call. They don't even bother replying to emails either. Question: Is there some secret code/sign you need to use to get their attention or have they gone to the wall.
  14. L

    New Zealand SELV and Voltage drop

    I have been asked by the R&D team in the office to find out if it complies with BS7671 if we supply upto a 500W load at a distance of upto 50m (loads of upto 40w every meter - adding upto 500w), supplied by a 50v D.C. Transformer. Situation Each load requires 36v D.C. Each load will be fitted...
  15. S

    Installation Reference Method

    I have always been told/understood that the reference method for cables buried in plaster was reference method c (clipped direct), however I have seen reference made to reference method a (enclosed in conduit in an insulated wall). Does anybody have a definitive answer please?
  16. 1

    Security Roller Shutter doors on 1300VA UPS

    Hello, I have been asked by a customer to provide a backup power supply for his roller shutter doors that protect his property. The motors that supply the shutter doors are a maximum 600W 230V AC (2.6A or 600VA) I have never been asked to provide a UPS for anything motor related. The need...
  17. S

    Ring Final Circuit

    I have a query about the Standard A1 Ring Circuit. It is my understanding that a 2.5mm2 cable is sufficient, this is because the current carrying capacity in a worse case scenario is 20A and because they are run in parallel this gives a total current carrying capacity of 40A and so a 32A MCB...
  18. G

    PV 6KW domestic

    I have a 4KW Canadian Solar with a 3.8 centrosolar inverter. I managed to install it mid Feb'12 just as the 43p rate was coming to an end. So if I wanted to extend to 6KW (ignoring the DNO point for a sec) I have few questions I keep getting varied answers to - what rate would I get on existing...
  19. A

    Which Megger MFT 1710 deal should I get?

    Hi all, These 3 deals look good, but which free accessory deal should I get? Which do you think is better value/more useful? 1. MFT with FREE CalBox Calibration Checker (Test-meter) 2. MFT1710 with FREE Martindale Two Pole Voltage Indicator and FREE Martindale R2 Socket Adaptor 3. MFT1710...
  20. ringer

    Voltimum Q&A section

    I can't fathom out why this answer has been given on Volitmum Q&As Q & A of the Day – What fused connection units to use for these fan-heaters? - Voltimum UK - Electrical Installation Products and Contracting I would have thought that as long as he uses 4mm cable, and the cable fits into the...

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