Hi
As I understand it, 110v power tools are considered safer because the 110
volt supply is Center Tapped to Earth, so any shock would be 55 volts - I'm
not sure exactly how this works - could someone explain please? Does this
only apply to universal (brush) motors?

Secondly, I also understand that a power tool with an induction motor (saw
bench, pressure washer) in 110 volt can't be CTE, so any shock would be
110v. Is that right?

Dave