Second characteristic numberal and degree of protection
0-- No protection
1-- Protection against drop of condensed water : drops of condensed water falling on the enclosure shall have no harmful effect .
2-- protection against drops of liquid : drops of falling liquid shall have no harmful effect when the enclosure is tilted at any angle up to 15 degree from vertical .
3-- Protection against rain : water falling in rain at an angle up to 60 degree with respect to the vertical shall have no harmful effect .
4-- protection against splashing : liquid splashed from any direction shall have no harmful effect .
5-- Protection against water-jets : water projected by a nozzle from any direction under stated conditions shall have no harmful effect .
6-- Protection against conditions on ships' decks ( deck watertight equipment ) : Water from heavy seas shall not enter the enclosure under prescribed conditions .
7-- protection against immersion in water : it must not be possible for water to enter the enclosure under stated conditios of pressure and time
8-- protection against indefinite immersion in water under specified pressure : it must not be possible for water to enter the enclosure.
No comments:
Post a Comment