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  1. H

    Testing

    I’m currently testing some site temps I’ve got the main three phase head with the metre tails coming out of that going into a 100 Amp RCD with a 25mm armoured going out to feed a board when trying to test my PFC with a megger MFT1741 it comes up with 2 lead high however this will trip the RCD...
  2. H

    Switching

    On a new site at the minute and got to the site and my supervisors ask me to have a look at the switching in over a 100 rooms for the bathroom there is a two gang intermediate switch for every bath room one does the spot lights and one does a mirror light both of the feeds are in L1 of the...
  3. H

    Lighting

    I’m currently second fixing a property after a previous spark I have a switch at the bottom of stairs which needs to control the lighting at the top of the stairs I have a 3 core for that and then the light switch at the top of the stairs needs to control the lights on the bottom floor however I...
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