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Discuss AM2 lighting circuit - confusion in the Electrical Forum area at ElectriciansForums.net

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I know this has probably been asked a dozen times on this forum but I just want to make sure that I'm doing this the correct way before going into my exam. I got told that in the am2 I need to have neutrals at every switch in connecters. I have never done it this at work hence the confusion. Here is a diagram I nicked from a post a few months back.
upload_2019-5-30_23-34-25.png
 
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STM

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Trainee
Hi mate,

I wired my lighting circuit exactly like your diagram above. You're right, the neutrals need to be wired through the switches. Sometimes the layout/terminal identification on the intermediates can varying depending on the brands, so try not to let that throw you on the day.

Best of luck mate, you doing the Am2 or Am2s?
 

davesparks

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Mentor
Arms
Esteemed
Not taking Neutrals to switches shouldn't mean a fail though ...
The point with the Am2 is that you are given a design and specification to work to, not following this correctly is a fail. So not taking the neutral to the switches as specified is a fail, the same as not complying with a specification in the real world means not getting paid and having to re-do the work correctly.

If part of the exam was to design the circuit then what you say would be correct.
 

James

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Mentor
Arms
Supporter
Esteemed
with new smart switches etc. likely to become more commonplace, it would be a good thing going forward to install N at all switch locations when wiring new circuits.
 

telectrix

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Mentor
Arms
Esteemed
for the past 6 months i've been installing 3core/E betweel switch anf light. whichever way you loop ( either 3 plate or loop at switch) all bases covered, even if the 3rd core is redundant at the time.
 
  • Thread Starter Thread Starter
  • #9
Hi mate,

I wired my lighting circuit exactly like your diagram above. You're right, the neutrals need to be wired through the switches. Sometimes the layout/terminal identification on the intermediates can varying depending on the brands, so try not to let that throw you on the day.

Best of luck mate, you doing the Am2 or Am2s?
I’m sitting the AM2 mate
 

gazdkw82

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Trainee
Decent diagram. Would be good to see it actually wired in using the correct cables on a small set up.
 
Hi all, I have my am2 soon and am just wanting to confirm what you do when testing the ring circuit for continuity and insulation resistance on the ring circuit if there is a switch fused spur Present. The part of the circuit on the outgoing side of the spur will that be tested if the spurs on or do I need to test that part of the cable individually? Also on a three phase install the pfc needs to be doubled to allow for a fault across two of the phases, is this correct? Any help would be much appreciated
 
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