19.7 Addtion:
Separate controls are mounted on a dull black-painted plywood board. Approximately 50% of the area of each ventilating opening is blocked. The temperature of windings shall not exceed the values specified in Table 8 and the temperature rise of the board shall not exceed
- 50K, for appliances with T marking;
- 65K, for other appliances.
其中:Separate controls are mounted on a dull black-painted plywood board.
该测试怎么做?