Recent content by alex28

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    Installing UFH connexions?

    nope just tells you how to test it for resistance using the earth screen as a return! doesn't even tell you how the thermocouple should be connected
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    Installing UFH connexions?

    if it told you in the instructions I wouldn't be asking on here
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    Installing UFH connexions?

    Have some underfloor heating to install-one end is black with an earth screen and the other end is blue with an earth screen-I take it I connect live to the black and neutral to the blue and earth it at both ends?
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    Soldered joint on ring main-legal?

    surely soldering must be a better connexion than a mechanical joint?
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    Soldered joint on ring main-legal?

    I have joined 3x2.5mm cables on a ring main by soldering and heatshrink/tape behind plasterboard-is this ok or do I need to use a junction box? have used a 200W soldering iron so they are good solid joints
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    2 Gang Dimmer

    u need to find out with an approved voltage tester or multimeter where the live feeds are, then go from there
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    2391 practical

    also are the mcb's supposed to be type B? cheers
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    2391 practical

    Some of the things are hard to notice-sliced grommet could be difficult to pick up-on the last test they had 1.5mm wire feeding 2.5mm wire but that wasn't a fault?
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    MCB selection

    How is the rating of MCB worked out from cable size?
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    2391 practical

    Cheers will revise the initial verification stuff in GN3
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    2391 practical

    anyone got any pictures of fault board scenarios? got 2391 practical on monday and its just the fault board I need to do, passed the other 3 but not being an electrician am struggling to see all the faults on the fault board
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    C&G2391

    where is the best place to get 2391 past papers and answers please?
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    2391 Testing and Inspection practical.

    just failed practical on two out of four assessments-only spotted 11/12 faults on the board and left key in main switch padlock when doing motor starter circuit! gutted because was going ok, got Ze and PFC right for 3 phase system and passed the other two assessments (insulation resistance and...
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    2391 Testing and Inspection practical.

    thanks for that, so double the highest PSSC will be the answer-remember lecturer saying u don't have to bother with PEFC as PSSC will be higher, cheers
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    2391 Testing and Inspection practical.

    Yeah got GN3 but didn't explain the three phase situation all that clearly,so whatever reading I get for PEFC I just double the highest one and put that in the Ka box? cheers
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