Electrical Installation - Theory And Practice By Donnelly Pdf ((link)) -

: Earth leakage, circuit breakers, fuses, and lightning protection systems. Specialist Topics

: It breaks down complex electrical laws into simplified equations. For example, it covers fundamental topics like Ohm’s Law and the heating effects of current using straightforward math accessible to non-academic students. Comprehensive Scope : Earth leakage, circuit breakers, fuses, and lightning

This is where the "Practice" part of the title shines. The book moves from the abstract to the physical, covering: : Earth leakage