NAPIT Guide to Initial Verification & Periodic Inspection & Testing of Electrical Installations A4:2026
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The 2026 4th Amendment edition will be shipped to you automatically on publication - expected 15th April 2026.
NAPIT Guide to Initial Verification and Periodic Inspection and Testing
This new edition is ideal for anyone taking an inspection and testing qualification; it explains the different test equipment, what they're used for, and how to carry out all of the required BS 7671:2018+A4:2026 tests.
Fully updated to 18th Edition Wiring Regulations, BS 7671:2018+A24:2026, this is an alternative to the IET Guidance Note 3.
Description
With our wealth of experience and knowledge in this particular specialist and notoriously difficult area, we have taken the combined knowledge of our technical experts and produced a publication specific to inspectors and testers' needs. Initial Verification, and Periodic Inspection and Testing covers everything you need to carry out initial verification and periodic inspection, including the tests and production of the relevant certificates or Report.
Some of the topics covered are:
- Legal requirements
- BS 7671 requirements
- Identification of installation components
- Protective Earthing
- Safe isolation
- Test instruments
- Thermal evaluation equipment
- Standard tests
- Initial verification
- Periodic Inspection
| ISBN | N-26-1001 |
|---|---|
| Publication Status | Pre-Order |
| Publication Date | 2026-04-15 |
| Edition | Amendment 4, 2026 |
| Format (Paperback, Hardback etc) | Paperback |
| Brand / Publisher | NAPIT |
| Publisher | NAPIT |
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