NCQLP LC case studies
NCQLP LC · Put your knowledge to work in context.
The Lighting Certified (LC) designation is awarded by the National Council on Qualifications for Lighting Professions (NCQLP), a non-profit organization founded in 1991 to serve and protect the well-being of the public through effective and efficient lighting practice. Through a peer-review process, the NCQLP establishes the education, experience and examination requirements for baseline certification across the lighting professions. The NCQLP LC case studies are 5 cases and about 4,485 words.
1Open-Office Fit-Out: The 340 lx Commissioning Shortfall
A 1,200 m² open-plan office fit-out has a 2.7 m suspended ceiling. The tenant standard is 500 lx maintained at the desk, and the lease caps lighting power at 8.5 W/m².
897 words, about 4 min2Parking Garage Retrofit: Uniformity, CCTV and Dimming
A three-level, 1,050 m²-per-level employee parking garage with 2.4 m clear height is being converted from 100 W high-pressure sodium to LED. The owner's standard calls for 50 lx maintained horizontal on drive aisles, at least 25 lx vertical at 1.5 m for the security cameras and facial identification of patrons, and max/min uniformity no worse than 4:1.
828 words, about 4 min3Jewelry Store: Beam Angle, Color and Dimming Compatibility
A 140 m² jewelry store has a 3.0 m ceiling, 300 lx of ambient from recessed downlights, and a track at 3.0 m over display cases whose glass tops are at 0.9 m. The owner's standard is 3,000 lx inside each case, with diamonds that sparkle and colored stones that look saturated.
903 words, about 5 min4Hybrid Boardroom: Vertical Illuminance, Camera Flare and Egress Sharing
A 12 m × 8 m boardroom with a 3.0 m ceiling is used for hybrid meetings. Twenty recessed 600 mm LED downlights, 4000 K, Ra 80, 36 W, 4,000 lm, 0-10 V dimming, are laid out on a regular grid.
930 words, about 5 min5Distribution Center Exterior: Light Trespass, BUG Ratings and Photocell Control
A 28,000 m² distribution center has 60 perimeter LED floodlights, 250 W, 33,000 lm, 5000 K, Ra 80, on 12 m poles, plus 20 yard poles serving the trailer area. The local ordinance limits illuminance at the property line to 0.5 fc, requires full cutoff and a BUG rating no worse than U0/G2/B3.
927 words, about 5 min