Go to the Halo (Cooper Electric) website and check out the datasheets
for their trim. Some of them will have diagrams showing the light
patterns for a given bulb and trim. Generally it depends on:
Size of can: The larger the can the higher wattage bulb you can use
and the more options you have for bulb type and wattage.
Bulb type (size/shape, flood or spot)
Trim kit used.
Type of lighting wanted (general, accent, spot, etc.)
Some factors affecting lighting design:
- Ceiling height
- Beam spread of the trim used on the fixture
- Wattage of the bulb used in the fixture
- Desired light level in the room
- Tolerance to hot spots and uneven lighting
- Reflectivity of wall, ceiling, floor and furnishings
- Tasking of fixtures, i.e. wall wash, counter task light, etc.
- Other light sources in the room i.e. table, desk and floor lamps
- Items in the room vulnerable to reflection issues i.e. TVs, framed art
with glass, etc.
Fixture and trim specifications are on the manufacturers sites. Normally
you would work up a floor plan for the room including fixed items and
expected furnishings, determine light levels appropriate for the type of
room (tables of recommended levels available various places), and
determine fixture placement to give the desired results. The is a lot of
CAD software for planning this type of stuff.
Good lighting design is a lot more complicated that it seems at first
buffalo ny: put enough in that you can run them on a remote controlled
dimmer for everything from mood to reading without glare on the tv. to
play with a light meter would also allow you to take into account the
lighter wall and ceiling colors reflecting some light, but why bother.
the other idea would be go with a few circuits to allow occupancy
sensor mood night light upon entry to the room, 3-way or 4-way
switching depending on size of room and exits. i'm turning into a big
fan of red heat lamp in winter so add one over my recliner chair, they
are 250 watts, allow for this higher wattage in all fixtures for
flexibility as light bulbs are still evolving. table reading lamps
need to be up to 250 watts.
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