Denford Triac VMC with ATC Conversion / Fix

[Chaz]

Chaz For the sake of clarity please be aware that the word grounding is not always the same as 0V. Grounding usually what is referred to as the star point ie earth. OV is the -ve from the power supply (but is not always at earth potential). ..Clive

Thanks, understood, will be careful with the terminology in future for the sake of clarity.