Not all environments are created equal. Part 7 introduces specific requirements for high-risk or unique locations, including:
The Complete Guide to IEC 60364: Understanding the Blueprint for Electrical Safety and Installations iec 60364.pdf
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In the UK, the national wiring regulations are known as (the IET Wiring Regulations). While BS 7671 follows the section structure of IEC 60364 very closely, it contains additional language to cater for historic national practice and to simplify field use and determination of compliance by electricians and inspectors. iec 60364.pdf
: Ensuring that in the event of a fault, the prospective current is high enough to trip the circuit breaker within the time frames mandated in Part 4. Summary for Professionals