BS 1050:1984

This standard BS 1050:1984 Specification for indicator lamps for use in telecommunication apparatus and for allied purposes is classified in these ICS categories:

• 33.040.30 Switching and signalling systems

This British Standard specifies requirements for low voltage electric lamps operating up to and including 60 V used as visual indicators in telecommunication apparatus and allied purposes.

Section 1 specifies general requirements. Section 2 consists of standard lamp data sheets giving particular requirements for individual types of lamp.

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

Includes the majority of indicator lamps used in telecommunication apparatus and now includes general requirements and tests and specific details relevant to each type of lamp.