Spring dampeners must be a pre-war term, Spaw probably heard it when he was over here servicing the vehicles for D-Day :-).

But, on the original electrical theme, I have been wiring up my new workshop, (with the help of an electrician to do the dangerous bits) and was amazed to discover that, apparently, the USA has never heard of ring circuits, which have been mandatory in the UK since just after the WW11.

Everything is a "home run" back to the circuit board. Can somebody with more electrical expertise than I explain why this should be so? Due to the voltage difference?

Murray