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RCD test buttons and the functional testsWhat does the client actually care about?

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Press each RCD’s test button once more after the timed tests, to show it’s still working.

Then functional testing: put the lamps in, energise, and prove everything does what it’s for.

  • Every light switch, every two-way and intermediate, works the lights it should.
  • The cooker switch, its neon, the oven fires up.
  • Isolators and switching devices isolate and switch.
  • RCDs, AFDDs and SPDs show they’re in service.
To the client, this is the test that matters. They paid for it to work. Your continuity tests already showed the switches make and break — this is where you prove it with the power on.

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That was one section. There are 583.

Sparky Study Notes is the whole Level 3 syllabus written up like this: the explanation, the worked example, and where it is in your book. With a video lesson for every part and a practice paper for every exam.

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  • 1,463practice questions
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  • 18th Edition
  • Building Regs
  • PAT
  • Fundamental Inspection & Testing
  • Initial Verification
  • Periodic Inspection & Testing
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