10-09-2015, 04:57 PM
(10-09-2015, 04:15 PM)Jerry1237 Wrote: PWay use N-hand switch closed. N/R is a signalling term primarily.
I wouldn't be too concerned with these definitions. Both can be ambiguous.
J
Thanks Jerry, I am involved in updating one of the study guides and hoped to make it less UK specific. Should I assume all readers will be familiar with Normal/Reverse?

