DSH 398 Protection against ingress of water

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DSH 398

Protection against ingress of water 8 {6 q' ^. s8 j% v8 U- K

Figures 17 & 19 " G0 D4 g5 H8 G9 d

60238(ed.7) & 61184(ed.2) ) l/ @% @: I' e' n6 \- G. J" ~

; v8 W7 j/ Q: |0 W  w7 @; E6 _Question:
Equipment to check protection against drops of liquid - Figure 19 of IEC 61184-Bayonet lampholders and Figure 17 of IEC 60238-Edison screw lampholders - The holes of the test apparatus tend to be blocked frequently. Additional expenses and resources
are required to clear the blockage. Is there a better way to simulate the rainfall?
8 v! }$ x, a4 }$ @Decision:
6 {- ]8 \4 u4 M) U% n' qTo align the requirement to provide protection against drops of liquid (Figure 19-IEC 61184 and Figure 17-IEC60238) with the test device to verify protection against vertically falling water drops (drip box - Figure 3a - IEC 60529), all nozzles shall be cleaned after
each test.
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