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  1. #1

    Default lighting needs

    I'm doing up a room in my basement that is 13 by 17 (221 square feet.) I have 6 recessed lights, each has a 50watt bulb. Will I have enough lighting if I just install 4 of the lights (200watts) for a room that size?

  2. #2
    Homeowner Thatguy's Avatar
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    Default how many lux you want, how far below the ceiling?

    Quote Originally Posted by milkman2010 View Post
    I'm doing up a room in my basement
    each has a 50watt bulb
    Floodlights or spots?

    resi. living room 50 lux
    resi. toilets, hallways, 80 to 100
    School classrooms, Kitchen work areas, office lighting 300 to 500
    Garment manufacture - sewing, Supermarket 750
    Instrument assembly 1500

    A 50w halogen flood might give you 1100 lux in a 4' dia. circle 5' below the ceiling.

    To check your existing light levels you need a camera
    With ISO 100 speed film, an Exposure Value (EV) of 6 equals 160 lux, 7 = 320, 8 = 640.
    Last edited by Thatguy; 11-14-2009 at 08:32 PM.

  3. #3

    Default

    Quote Originally Posted by milkman2010 View Post
    I'm doing up a room in my basement that is 13 by 17 (221 square feet.) I have 6 recessed lights, each has a 50watt bulb. Will I have enough lighting if I just install 4 of the lights (200watts) for a room that size?
    Yes for code compliance, no if you like lots of light. Go LED
    http://www.inspectpa.com/forum/forum.php
    My answers are based mostly on the ICC codes. Advice given is my personal opinion and every person performing work should acquire a permit from his/her jurisdiction and get the work inspected. My opinions are not directions to follow for DIYs or professionals

  4. #4
    Extreme DIY Homeowner Scuba_Dave's Avatar
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    Jan 2009
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    South of Boston, MA
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    Default

    LED's are still expen$ive
    I keep looking but at $20-30 a bulb I'll stick with free CFL's (after instant coupon)

    If unfinished area (open ceiling)
    I connected a couple recessed cans with power cords & then plugged them in to see how the area would look
    I used 6" cans so that I can use any bulb I want
    If you are going with the MR16 fixtures I would not do it
    DIY Handyman (not 4 hire)
    I have enough to do to my own house

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