Definition and Citations:
Effectiveness of an electric, incandescent lamp in delivering light, measured. Highly efficient lighting fixtures measure CU worths above 0.9, while inefficient ones typically measure between 0.2 and 0.4 CU.
Effectiveness of an electric, incandescent lamp in delivering light, measured. Highly efficient lighting fixtures measure CU worths above 0.9, while inefficient ones typically measure between 0.2 and 0.4 CU.