electricalforum.nz

https://www.electrical-installation.org/enwiki/Installation_and_measurements_of_earth_electrodesk This is a good reference, horizontal earthmats have many advantages as vertical earth's driven in poor conditions can record hundreds of ohms, plus if driven too close to each other will be less affecti...

As one tool doesn’t suit all I found the Weidmuller PZ 4 covered over 70% of jobs, self regulating from 0.5 - 4mm2, a back up set PZ10 ( too slow as you need to get correct size ) back a back set, then sets for large flexible ferrules up to 35mm2 then another up to 70mm2.

I have found the following EEA Arc Flash Guide, September 2018, NFPA 70E Standard for Electrical Safety in the Workplace, 2018 and AEC, Electrical Arc Flash Hazard Management Guide, 2019 add value to the already listed documents. The EEA is a NZ document.