NEMA - ANSI C78.21
American National Standard for Incandescent Lamps - PAR and R Shapes
inactive
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| Organization: | NEMA |
| Publication Date: | 1 January 1995 |
| Status: | inactive |
| Page Count: | 60 |
Document History
January 1, 2022
Electric Lamps—PAR and R Shapes
This standard provides physical and electrical characteristics of the group of incandescent lamps that have PAR and R bulb shapes. Lamps with clear, frosted, and lens end bulbs, with clear and...
January 1, 2011
Incandescent Lamps - PAR and R Shapes
This standard provides physical and electrical characteristics of the group of incandescent lamps that have PAR and R bulb shapes. Lamps with clear, frosted, and lens end bulbs, with clear and...
January 1, 2011
Incandescent Lamps - PAR and R Shapes
This standard provides physical and electrical characteristics of the group of incandescent lamps that have PAR and R bulb shapes. Lamps with clear, frosted, and lens end bulbs, with clear and...
January 1, 2003
For Electric Lamps - PAR and R Shapes
This standard provides physical and electrical characteristics of the group of incandescent lamps that have PAR and R bulb shapes. Lamps with clear, frosted, and lens end bulbs and with clear and...
ANSI C78.21
January 1, 1995
American National Standard for Incandescent Lamps - PAR and R Shapes
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