NEMA - ANSI C78.1401
Electric Lamps — Dimensions for Projection Lamps—Double-Contact, Medium Ring (Special B), Base-up Type
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| Organization: | NEMA |
| Publication Date: | 1 January 2004 |
| Status: | active |
| Page Count: | 10 |
scope:
This standard establishes the dimensions essential to the interchangeability of lamps of the double-contact, medium ring (Special B), base-up type. It is not intended to prescribe either operating characteristics or details of design, such as the shape of the ventilation ports or the method of attachment of the prefocus ring to the base.
Document History
ANSI C78.1401
January 1, 2004
Electric Lamps — Dimensions for Projection Lamps—Double-Contact, Medium Ring (Special B), Base-up Type
This standard establishes the dimensions essential to the interchangeability of lamps of the double-contact, medium ring (Special B), base-up type. It is not intended to prescribe either operating...
January 1, 2004
For Electric Lamps - Dimensions for Projection Lamps Double-Contact, Medium Ring (Special B), Base-up Type
A description is not available for this item.
January 1, 1975
Dimensions for Projection Lamps - Double-Contact, Medium Ring, Base-Up Type
A description is not available for this item.
January 1, 1975
Dimensions for Projection Lamps - Double-Contact, Medium Ring, Base-Up Type
A description is not available for this item.
January 1, 1975
Dimensions for Projection Lamps - Double-Contact, Medium Ring, Base-Up Type
A description is not available for this item.