confirm

  1. D

    Question about fault finding.

    If i have 12 panels wired as two strings of 6 in parallel, and i do an VOC to confirm the correct voltage, and i do Isc to check for double Isc - how can i confirm that both strings are functioning if the irradiance is low. I have wired it from the inverter in two core, out onto the roof into...
  2. K

    Confirm the +/- values

    Could someone please confirm the +/- values of voltage supply in the UK. (With a reference, now I’m pushing my luck)! I’ve always worked on –5% to + 7.5%. the first plants I worked on were all supplied at 11400V so all transformers had the taps set at +2.5%. I have looked and it’s like...
  3. R

    Preferred method of installation

    Had a look at a job the other day, client has brought a MK RCD Garage CU and wants it connected up. Supply is TNC-S with a 100mA RCCB protecting a BS1361 fuse board which has MCB's Option 1. Replace the RCCB with a time delayed RCD and connect garage CU to new RCD Option 2. Henley block the...
  4. S

    can someone please confirm my working out, just for piece of mind.

    please can someone confirm my working out of a annual return, as this is my first quote and just need confirmation that i have done it right. the system is a 22 panel 180W bp mono system and i am assuming the customer will be exporting 50% 22 panels x 180W =3960W or 3.96kW this will...
  5. F

    How can I confirm a person is an Electrician?

    I am not an Electrician albeit I often wire our projects and have them commissioned by our engineer who has a MA in the subject. However we are growing and recently engaged an 'electrician'. He came with all the BS and undertook the work. The price was not cheap and he claimed he was an...
  6. G

    Cooker Circuit and Diversity

    Hi All, Please can somebody confirm my thoughts. I have to install a cooker cct. I have chosen 6mm cable. The load is 8Kw. ie 35amps My calc involves 10amp +30 % remainder fl + 5amps for the socket, from Diversity, table 1A OSG 17th edition page 97 ie 10+(30% of 25)+5...
  7. B

    EU confirm? RCM10CR electric oven for Germany

    Hi everyone, I am a normal end-user, I like cooking and I felt in love with an electric oven Leisure RCM10CR. Installing it in the UK wouldnt be a problem, but I am relocating to Germany and I like to ask you all, if there is someone who worked on the continent and can tell, if there is...

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