Guidance Note 3: Inspection & Testing. Edition No. 8. Electrical Regulations - Product Image

Guidance Note 3: Inspection & Testing. Edition No. 8. Electrical Regulations

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Guidance Note 3: Inspection & Testing is a fundamental guidance book for all those involved with the testing and inspection of electrical installations. It also contains essential guidance for those studying for inspection and testing qualifications and has been fully updated to BS 7671:2018.

The 18th Edition IET Wiring Regulations publishes in July 2018 and comes into effect on 1st January 2019. All new installations from this point must comply with BS 7671:2018.

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- Chapter 1: General requirements
- Chapter 2: Initial verification
- Chapter 3: Periodic inspection and testing
- Chapter 4: Test instruments and equipment
- Chapter 5: Forms
- Appendix A: Maximum permissible measured earth fault loop impedance
- Appendix B: Resistance of copper and aluminium conductors
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