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要隔离的.- Y [- E2 d( N, _; }) e. r
6 D' i1 m" Y: ?- W2 q1 ]/ y要求:
1 x; w& c% P8 h7 Marking. i, |$ _: _. k' M5 R. w
8 Protection against accidental contact with live parts* N: g! V: @5 V( ?
9 Terminals
, q; F T" t: n2 C* }5 }8 e" O( @10 Provisions for protective earthing) i- C- ~8 A4 j3 j6 U
11 Moisture resistance and insulation4 w5 g) |. T) S" S# x- I9 ^
12 Electric strength5 W$ z/ z0 d" ~
13 Thermal endurance test for windings of ballasts
2 N7 [( J- B7 O0 m/ Y8 N14 Fault conditions. E; R& t8 X( U R, y9 T, }) J
15 Transformer heating2 L6 x% W4 K. Y1 x
16 Abnormal conditions
G+ K8 s6 |4 ]$ G* h( N17 Construction
' J# i a e' O/ x! K' d18 Creepage distances and clearances7 N4 m) D8 R1 y( T2 K& i
19 Screws, current-carrying parts and connections1 V. T3 a0 S! n8 E+ b! {4 V% c
20 Resistance to heat, fire and tracking
: {# i2 q3 \2 @1 J% H i+ @( y21 Resistance to corrosion |
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