Distinguish the required operating-time check from additional tests chosen to investigate a problem.
Identify the RCD type, rated residual operating current and any intentional delay before selecting the tester settings. Take account of the device and instrument instructions.
Read the full Inspection & Testing note with Premium
You’re reading the free preview. PlumbRevise Premium unlocks the complete write-up, the worked detail for every Inspection & Testing note — plus timed tests on every module.
Plenty of modules are free to read in full.
Something wrong, unclear or out of date? Report an issue with this note.