IS 9900 Pt.4-1981
Specification for High Pressure Mercury Vapor Lamps Part IV "GO" and "NO-GO" Gauges for Lamp Holders

Standard No.

IS 9900 Pt.4-1981

Release Date

1982

Published By

IN-BIS

Latest

IS 9900 Pt.4-1981

Scope

This standard ( Part IV ) specifies the essential dimensions of 'Go' and 'No-Go' gauges for bayonet B22d-3 ( 90°/135° )/25 x 26 and edison E27 and E40 caps on finished lamps for use on high-pressure mercury vapour lamps. The standard also specifies the method of testing for dimensions of the lamp caps with these gauges.

IS 9900 Pt.4-1981 history

• 1982 IS 9900 Pt.4-1981 Specification for High Pressure Mercury Vapor Lamps Part IV "GO" and "NO-GO" Gauges for Lamp Holders