Operating Notes

Caution notices are included with all lamps. Users are urged to read and comply with these.

Operating precautions

All lamps in this catalogue must be operated with a series fuse in the circuit, as directed in the Technical Digest.

Lamps of quartz construction use a gas filling at a pressure higher than atmospheric and as the lamp can in rare instances shatter in use, suitable shielding techniques should be employed where appropriate. Also protect the lamp from mishandling, scratches and abrasions, and do not operate at above correct rated voltage.

Operating position

For good performance lamps must be used within specified limitations on operating position. The following abbreviations are used in the lamp tables to indicate these limits:

BD - Base Down. Operate only vertical, base down. BU - Base Up. Operate only vertical, base up.

BDTH - Base Down To Horizontal. Do not operate with base above horizontal. Horiz. - Horizontal. Operate only in horizontal position.

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GE Lamps manual Operating precautions, Operating position