This standard specifies the terms and definitions, classification and naming, requirements, test methods, inspection rules, marking, packaging, transportation and storage of power distribution cabinets for transmission equipment (referred to as power distribution cabinets). This standard applies to power distribution cabinets used in conjunction with limited transmission equipment. Power distribution cabinets used in conjunction with other equipment may be implemented by reference.
YD/T 939-2005 history
2014YD/T 939-2014 Power distribution cabinet for transmission equipment
2005YD/T 939-2005 Power distributing file cabinet for transfer equipment
1997YD/T 939-1997 DC power distribution cabinet for transmission equipment