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GS38 again, and the bit people missFused leads. What fuse goes inside?
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GS38 comes up again and again, and the point is that it is not only about the leads:
- Leads, probes, finger guards, exposed tip length
- Fused leads — if yours are fused, they need a high-rupturing / high breaking capacity fuse inside them
- The instrument itself, covered by the standards in Guidance Note 3 Section 4
Two exam-shaped points sat on the same page. One: which appendix of BS 7671 recommends that your measurement is taken at the output terminals of the protective device. Two: a multifunction tester is the instrument that does more than one test, and it has to be made to that same standard.
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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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- 18th Edition
- Building Regs
- PAT
- Fundamental Inspection & Testing
- Initial Verification
- Periodic Inspection & Testing