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156.2 Test method
; M0 a, I: ]) Z0 y; C2 f156.2.1 Each test is to be conducted using the hardware provided and with the unit mounted in
! B, ]8 f+ D( F5 t# c& Y% `accordance with the instructions provided. An adjustable luminaire is to be adjusted to the position that6 e4 q7 P9 t. L2 B! Z7 d
results in the most severe test.
, \; v: t" }# B3 o- S$ ZException: When the instructions do not specify a minimum mounting surface, the tests are to be$ ?6 h* N) F! ]6 [) F$ c4 q
conducted using 3/8 inch (9.5 mm) trade size plaster board securely attached to studs on 16 inch (406
/ N- \- M: x3 Kmm) centers.( E# e$ _( i$ S/ u8 F/ b* W- o
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请问红色字是什么意思
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