NAPIT Guide to Initial Verification and Periodic Inspection and Testing of Electrical Installations A2:2022

NAPIT's Guide to Initial Verification and Periodic Inspection and Testing 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 tests.

Fully updated to 18th Edition Wiring Regulations, BS 7671:2018+A2:2022.

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