Hi guys, I have a 24 feet X 15 feet living hall, total size is 360 sq ft.
I wanted to build a L Box surrounding the living hall which will form a shape of rectangle, the wiring man suggested to install total 16 downlights at the L Box area. My questions are:
1) Is 16 downlights too many for a 360sq ft living hall?
2) If the number of downlights is 16, should I use 4" or 6" downlights?
3) What wattage should I use for the bulb if there's 16 downlights? go for lower watt?

Please look at these pictures to get an rough idea of my wiring layout.
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My contractor only charge me 1 light point price even multiple T5 are connected per switch, he just connect all the 8 units of T5 using the cable I supply. (Male and female)

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Added on March 20, 2012, 10:03 am

RM 75 include of T5? or just connection?

Thanks. But I am in Cheras area.
Did my research. Need to do plaster ceiling to use downlight. Since there will a be a lot of this downlight, LED will be too costly.
Maybe LED stripe for the light inside the L-box.
Low budget, so not planning anything for dimmer yet.