When.com Web Search

  1. Ads

    related to: spacing distance for ceiling lights outdoor

Search results

  1. Results From The WOW.Com Content Network
  2. Fluorescent-lamp formats - Wikipedia

    en.wikipedia.org/wiki/Fluorescent-lamp_formats

    Like the European modular furniture, display cabinets, ceiling tile grids, etc. they were designed for, these are based on multiples of the 300 mm (11.8 in) "metric foot" instead of the 12 in (305 mm) imperial foot, but are all 37 mm (1.5 in) shorter to allow space for the lampholder connections within the 300 mm modular units, and for much ...

  3. Optical path length - Wikipedia

    en.wikipedia.org/wiki/Optical_path_length

    In optics, optical path length (OPL, denoted Λ in equations), also known as optical length or optical distance, is the length that light needs to travel through a vacuum to create the same phase difference as it would have when traveling through a given medium.

  4. Centre-to-centre distance - Wikipedia

    en.wikipedia.org/wiki/Centre-to-centre_distance

    c.t.c. distance. Centre-to-centre distance (c.t.c. distance or ctc distance) is a concept for distances, also called on-center spacing (o.c. spacing or oc spacing), heart distance, and pitch. It is the distance between the centre (the heart) of a column and the centre (the heart) of another column. By expressing a distance in c.t.c., one can ...

  5. Recessed light - Wikipedia

    en.wikipedia.org/wiki/Recessed_light

    Recessed lighting styles have evolved with more manufacturers creating quality trims for a variety of applications. Recessed lighting trim usually comes in the standard baffle in black or white, which is the most popular. [citation needed] They are made to absorb extra light and create a crisp architectural appearance.

  6. Lumen method - Wikipedia

    en.wikipedia.org/wiki/Lumen_method

    In lighting design, the lumen method, (also called zonal cavity method), is a simplified method to calculate the light level in a room.The method is a series of calculations that uses horizontal illuminance criteria to establish a uniform luminaire layout in a space.

  7. Light fixture - Wikipedia

    en.wikipedia.org/wiki/Light_fixture

    Outdoor lighting and landscape lighting – used to illuminate walkways, parking lots, roadways, building exteriors and architectural details, gardens, and parks. Outdoor light fixtures can also include forms similar to indoor lighting, such as pendants, flush or close-to-ceiling light fixtures, wall-mounted lanterns and dome lights.