14.2.9 Test for second characteristic numeral 9 by high pressure and temperature water jetting The test is made by spraying the enclosure with a stream of water from a standard test nozzle as shown in Figures 7, 8 and 9. The set-up for measuring the impact force of the water jet is given in Figure 10. The distribution force shall be verified at upper and lower limits of distance tolerance range (see Figure 11). a) For small enclosures (largest dimension less than 250 mm), the enclosure shall be mounted on the test device shown in Figure 12. – turntable speed: 5 r/min ± 1 r/min – spray positions: 0°, 30°, 60°, 90° The test duration is 30 s per position. b) For large enclosures (largest dimension greater than or equal to 250 mm), the enclosure shall be mounted as per intended use. The entire exposed surface area of the enclosure shall be subjected to the spray at some point during the test procedure. – spray positions: the enclosure shall be sprayed from all practical directions covering the entire surface area and the spray shall be, as far as possible, perpendicular to the sprayed surface. – distance between nozzle and sample under test shall be 175 ± 25 mm. The test duration is 1 min/m2 of the calculated surface area of the enclosure (excluding any mounting surface), with a minimum duration of 3 min.