is it acceptable to use 1.5mm t+E from the CU to the switch and what type cable should you use for the switch lines to an exterior wall mounted porch lantern and also wall mounted PIR security lights?
the porch light will be controlled by a switch inside the building, the cable feeding the light will be ran through a hole in the masonry, and I imagine the pir security lights will be wired the same way unless it is decided to mount them on the underside of the soffet(?) in which case the cables will run through the loft and down through the eaves of the house
As I said, i used black flex mounted high on the outside wall, near the DNO cables, but other products are available with more protection, such as Hi-tuff, and arctic cable (though arctic is in gareish colours such as yellow and blue)
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