as everyone above has said
past papers
On-site guide
GN3
memorandum of guidance on the electricity at work regs
have a look at GS38
BS7671 especially section 7 special locations
learn how to draw earth fault loop diagrams with fault paths shown for earth faults and for PSCC faults course tutor showed us best way
learn how to write test procedures inc safe isolation etc can use diagrams if it easier for you
practical guide to inspecting ad testing by cristopher kitchner
scaddons inspection and testing
exam success but there are a couple of errors it says ZE on TT system should not exceed 20ohm and for testing a radial socket for polarity R1+R2 what about R1 + RN
basically read and learn to write in bullet points and
for test procedures you may have to show calcs as well ie for continuity of ring final circuit conductors
Use correct terminology for everything they are sticklers for this
when asked to show calculations show FNC ( formulae number calculation or you will get no marks)
learn test sequences out of GN3 basically around CRIPPER
IP ratings
hope thats a help to you mate study and revise all you can mate good luck to you