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16.15 Loading f1 m* P, f& r! r/ R; ^" D
16.15.1 A supporting device shall support a load equal to four times the total mass to be supported under
1 B& q1 D7 {+ m$ R7 _& C' bintended operating conditions for 1 h. The load shall be applied in the direction of actual loading
( A. H: j4 z9 i2 V7 l) uconditions.
# D5 W8 L8 I6 y5 |% r( I; b z16.15.2 Where more than one support is provided, the load shall be distributed as follows:! l& L3 s2 }% r/ Y$ y2 D$ V% S( x
(a) where the parts supported are no more than 11.3 kg (25 lb), the full load shall be applied to
! F% Z4 \7 z- b. ?: ^0 _- q$ ?each support; or; s+ g8 P# a+ e
(b) where the parts supported are more than 11.3 kg (25 lb), the distribution of the load shall
6 |4 u! G6 y: Z; [3 V- B* `* Y3 Nbe similar to that encountered in the field.7 R& I, L9 \1 B3 a! O j- |
16.15.3 There shall be no deflection or deformation either during or after loading that reduces electrical1 |* U! x- N1 I" M& S7 L
spacings or compromises safety. |
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