NEMA EM 1-2010
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
EXIT SIGN VISIBILITY TESTING REQUIREMENTS FOR SAFETY AND ENERGY EFFICIENCY
Hardcopy , PDF
English
06-12-2012
03-12-2013
Foreword
1 Scope
2 Definitions
3 Referenced Publications
4 General Requirements
5 General Test and Equipment Requirements
6 Luminance Requirements
7 Luminance Measurements
8 Luminance Calculations
9 NEMA Premium
Specifies performance requirements and test methods for evaluating exit sign visibility. Visibility requirements are based on an assumed normal visual acuity and normal color recognition in clear air at a maximum viewing distance of 30.5 m (100 ft).
| DocumentType |
Standard
|
| Pages |
27
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Withdrawn
|
| Supersedes |
| NEMA LSD 46 : 2009 | PHOTOLUMINESCENT EXIT SIGNAGE - FACTUAL REVIEW |
| NEMA LSD 13-2001 | EXIT SIGN BRIGHTNESS FOR VISIBILITY AND SAFETY |
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