I'm about to install an ET340 and now insanity has kicked in.
My brain is telling me that the bottom of the ET340 (pin 4, 5 and 6) are IN (coming from the main switch/provider), and pin 1, 2 and 3 are OUT going to the "house".
However. Looking at the side of the ET340 the arrows are pointing the other way.
Anyone here who can tell me what the correct direction is?