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  1. W

    2391:301 Theory Exam Tonight 15th March 2012

    Don't know who wrote them, there are different answers you could put for some of them. With the R1+R2 I think you should mention the contactor and time clock about linking them out so you can obtain a result. Think that's why they put it in the scenario, but that's just my opinion. I got told...
  2. W

    2391:301 Theory Exam Tonight 15th March 2012

    Found them wasn't lookking properly. Your ev must have been sleeping!!!!!! An Earth Fault loop diagram or Insulation resistance of whole DB calc would have been better, For SPD it's 250v but 1M ohm for tests after Earth electrode I think I put Zs, protection by ADS and PFC Thought question...
  3. W

    2391:301 Theory Exam Tonight 15th March 2012

    CPC is exposed conductive parts Bonding extraneous eg water pipes Earthing conductor I put supply electrode Lights I put:- check termination of glands, banjo's with fly leads for earthing Identification of conductors tightness of terminations Lights not damaged or corroded comply with BS...
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