This standard specifies the technical conditions for electrical installation and lining of railway passenger cars. This standard applies to railway passenger cars equipped with electrical mining equipment.
TB/T 2704-1996 history
2016TB/T 2704-2016 Electric heater of railway passenger car and EMU/DMU
2005TB/T 2704-2005 Electric heater of railway passenger car
1996TB/T 2704-1996 Specifications for electrical heating devices for passenger cars