NEMA 270 : 1988

Foreword
Scope
1 Referenced standards and definitions
     Referenced standards
     Definitions
2 Selection of components
     Test specimen - lighting fixture
     Test specimen(s) fluorescent ballast - base test
     Test specimen(s) fluorescent ballast(s)
     Test specimen(s) fluorescent lamp(s)
     Test specimen(s) fluorescent lamp(s) - base test
3 Testing facilities & equipment
     Facilities
       Photometric laboratory
       Test chamber
       General criteria
     Calibration rack
     Photodetector
     Line voltage
     Line voltage wave shape
     Line voltage source impedance
     Line voltage stability
     Electrical instrumentation
     Measurement of input power
     Safety precautions
4 Testing procedures
     General
       Base test
       Testing conditions
     Calibration of lamp(s)
     Measurement of calibration flux
5 Calculations
     Calculation of ballast factor
     Ballast factor/energy saving lamps
     Lamp normalizing factor
     Ballast normalizing factor
     Normalized head-on flux
     Comparative light output
     Normalized Watts input
     Comparative Watts input
6 Reporting of test results
     Reporting format
       Fixture description
       General lamp/ballast description
       Ballast description
       Lamp description
       Normalized Watt input
       Comparative Watt input
       Comparative light output "flux"
Appendix
A Sample worksheets and reporting format
A-1 Sample NEMA worksheet
A-2 Sample test 5000-1 worksheet
A-3 Sample test 5000-2 worksheet
A-4 Sample test 5000-3 worksheet
A-5 Sample test 5000-4 worksheet
A-6 Sample reporting format

Evaluates the performance of various four-foot bipin fluorescent lamp/ballast combinations when installed in a particular fluorescent fixture under test criteria that simulates a given set of in-service use conditions. Not intended to be used as a means of comparing different fixture designs.