For insulated tools (like screwdrivers), the uninsulated conductive part at the tip must be kept to a minimum (often less than 15 mm) to prevent accidental short circuits.
Some sources may reference "Edition 3.0" or "Edition 2.0". Edition 4.0 (2018) is the current technical standard, and any references to a potential "2020" version on some platforms typically refer to the 2018 edition with its corrigenda applied.
For insulated tools (like screwdrivers), the uninsulated conductive part at the tip must be kept to a minimum (often less than 15 mm) to prevent accidental short circuits.
Some sources may reference "Edition 3.0" or "Edition 2.0". Edition 4.0 (2018) is the current technical standard, and any references to a potential "2020" version on some platforms typically refer to the 2018 edition with its corrigenda applied. iec 60900 pdf