Water Heater Switch Position
This may have been covered already but we're fairly new to TTs and this may be a stupid question. Why is the switch "ON" position towards the bottom which is opposite the normal way rocker switches wo...
Forum Discussion
afidel wrote:2edgesword wrote:
I'm a senior citizen, electrical engineer and didn't know there was a particular switch orientation (up/down) for on/off. I must have skipped that class :).
NEC
225.52
(E) Uniform Position. Where disconnecting means handles are operated vertically, the "up" position of the handle shall be the "on" position.
So yes, you did miss a class. Double throw or other multi-position switches are exempted but any simple two position switch should be up for on.
NEC is for electricians... engineers have their own set of rules ;)
