BSI - BS 6423
Maintenance of Electrical Switchgear and Controlgear for Voltages up to and Including 1 kV
|Publication Date:||31 October 1983|
|ICS Code (Low voltage switchgear and controlgear):||29.130.20|
Precautions to secure safety of personnel whilst maintenance is in progress, guidelines for safe isolation procedures, and specific procedures for principal components of equipment.