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根据标准原文,可以不做元件异常。8 V9 z$ E# F9 R7 E2 z' R
Totally enclosed lamp controlgear or components shall not be opened for examination nor for! T( v. A7 Y) q9 P! R
the application of internal fault conditions. However, in case of doubt, in conjunction with the
1 D. y* S# F0 ^. kexamination of the circuit diagram, either the output terminals shall be short-circuited or, in
8 e4 }8 z# B* O7 ~% Z2 yagreement with the manufacturer, a specially prepared lamp controlgear shall be submitted' D$ a" ]" m" N$ `3 L/ T; A/ z
for testing.
2 Z, u% e7 k3 I/ c3 G* d; jA lamp controlgear or component is considered to be totally enclosed if it is encapsulated in a
- D& f7 x" Z* tself-hardening compound bonded to the relevant surfaces so that clearances in air do not, q( |8 O. E# R- K5 F$ N \
exist. |
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