Discuss Feed and switch wire at an intermediate... in the Electrical Forum area at ElectriciansForums.net
You're right, they do vary from manufacturerYes. I think manufacturers are inconsistent with labelleling L1 and L2 on intermediates. Traditionally I recall it being L1 for both 'brown' terminals and L2 for both 'grey', but have seen drawings as per yours with L1 for both terminals facing one 2-way and L2 for both facing the other. Perhaps someone could confirm? I don't usually install light switches so it's ages sinnce I looked at one.
They certainly do. More or less any combination you like ?You're right, they do vary from manufacturer
My bad I didn't notice thatIt's still wrong. PL and SL must tap into the brown and grey of the same strapper cable. Imagine they were paralelled at one of the 2-ways, and then just transferred to the other end of the same strapper cable.
Missed that well spotted ?No, it wouldn’t. Draw in the lines, and you’ll see. Changing any switch has no effect as the same cables are paralleled at another switch.
The black in the commons just gets linked through the intermediate.
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