– for external parts (75
±
2) °C;
Before the test is started, the test apparatus is brought to the temperature determined above.
After 1 h, the apparatus is removed and the part is immediately immersed in cold water so that it is cooled
to room temperature within 10 s. The diameter of the impression shall not exceed 2 mm. The test is not
made on parts of ceramic material.
K.29.2 This clause applies only to the external enclosure enclosing the current carrying part of the tool or
battery pack.
K.29.3 This subclause is not applicable.
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