We have recently received 3 Criticare 506 N3 and whilst electrical safety testing as per our norm we discovered on these Class 1 CF devices that there is no protective earth terminal.
A phone call to the supplier suggested that they use a "breakout box" between the IUT and the mains lead. We pointed out that this tests only the lead and not the IUT - they agreed.
Further correspondence concluded with "I do not see a need for ground continuity testing as a part of your acceptance test for this particular product" claiming 60601-1 supports this.
What do you think?
Mick