Quote Originally Posted by m_c View Post
Are switching live and neutral, or just live?

I know that VFD's are prone to tripping RCDs if you switch both on at the same time, and given that VFDs are basically a very fancy switch mode power supply...
Slightly off topic but that reminds me...my router had a switch in it which switched both live and neutral. Is it safe to connect the neutral permanently and have the live on a relay (solid state)?