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要隔离的.4 A6 c% |4 A0 k* h+ f- q
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要求:
) L7 Q' ^( [" @" ~) j; E! I7 Marking$ S ^% ^6 q) w& X# B! {
8 Protection against accidental contact with live parts2 y- z/ `; Y! }2 e
9 Terminals
$ }. X9 Q1 w6 A10 Provisions for protective earthing& n$ H8 \: A' g' c
11 Moisture resistance and insulation
! k' r. I# |5 u& j% ?2 i12 Electric strength& M& N6 X, `3 Y! O* h
13 Thermal endurance test for windings of ballasts6 Y6 L: G" x+ p% H8 Q9 _
14 Fault conditions* F7 A: _( }/ ~2 T% p
15 Transformer heating
* I7 M& ~ e" a" d16 Abnormal conditions6 _* ^- t+ V" N0 h# ~' ]
17 Construction. x& x$ M( ^4 c* q
18 Creepage distances and clearances
0 w: n0 S& v1 ?# \8 W/ u5 `1 ~19 Screws, current-carrying parts and connections. B; L, H7 Q& X+ u7 h
20 Resistance to heat, fire and tracking
! c2 o* l" n( y w* M/ N) e6 C- E21 Resistance to corrosion |
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