When fault-finding or testing energized plug-in equipment, an isolating transformer or RCD should be used for shock protection; isolating transformers must meet the AS/NZS 61558 series and RCDs must be 30 mA Type U devices or RCCBs or RCBOs to the AS/NZS 61008 and 61009 series.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.