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Description / Abstract:
This standard sets forth the physical and electrical
characteristics of the group of incandescent lamps that have A, G,
PS, and similar bulb shapes with E39 mogul screw (single- or
double-wntact) bases. Only clear, inside frost, and white bulb
finishes are acknowledged. Excluded from coverage are
tungstenhalogen lamps and projection lamps. In addition to
common-line voitage lamps, listed in Table 1 , a group of series
burning lamps rated at constant current are covered in Table 2.
Other groups of incandescent lamps are covered in the following
related standards:
ANSI C78.20-1995, American National Standard for Electric Lamps
- Incandescent Lamps - A, G, PS, and Similar Shapes with E26 Medium
Screw Bases
ANSI C78.21-1995, American National Standard for Electric Lamps
- Incandescent Lamps - PAR and R Shapes
ANSI C78.23-1995, American National Standard for Electric Lamps
- Incandescent Lamps - Miscellaneous Types
At the time of issuance of this standard, there was no
comparable standard published by the International Electrotechnical
Commission (IEC).