Your maths look right there WFO.

Under these very unbalanced conditions that meter still does a very good job considering that a class 2 meter is allowed a ± 2.5 % error and is well within its specs.

In general the bit over and under measurements will cancell each other out longer term.

In case of broken neutrals there are usually a lot of problems with blowing lightbulbs if exposed to a high voltage for too long or appliances not working properly.

HAPPY NEW YEAR !! [Linked Image] Ray.

The product of rotation, excitation and flux produces electricty.