Yes the lighting cost was established before I started the work and the annual running cost of LED at well under a £100 PA + The benefit of additional 24 hour lighting both internally and externally was seen as a plus.Why do you think FP only suitable for Central battery?
You think just like my mate using just the worm is rough and just like my mate haven't said why. I have always fixed trunking this way and to me it's thinking out of the box as I only align and fix once rather than align mark plug realign and screw. Surely if it's securely fixed then how can it be rough? Guarantee I will remove any fitting screwed into a worm drive before mine can be removed.