HVEE - High Voltage Electrical Equipment Working on High Voltage Electrical Equipment 19.16 Isolation and lockout (1) High voltage electrical equipment must, if practicable, be completely isolated, grounded, and locked out as required by this Regulation before starting work on it. (2) If it is not practicable to completely isolate high voltage electrical equipment, (a) written safe work procedures acceptable to the Board must be followed, (b) two or more qualified and authorized persons must be present while the work is being done, unless the procedures being followed under paragraph (a) specifically permit the work to be done by one person, (c) appropriate electrical protective equipment, including rubber blankets, hoses, hoods, gloves and live line tools must be selected, used, stored, tested, and maintained in accordance with a standard acceptable to the Board, and (d) the use of metal ladders, wire reinforced side rail wooden ladders, metal scaffolds or metal work platforms must be in accordance with the procedures established under paragraph (a). 19.17 Warning signs (1) Before completing installation and after energizing high voltage electrical equipment, conspicuous signs visible to workers must be placed close to the equipment stating "Danger -- Energized Equipment".