AVR 7500 (serv.man9) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 17

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IEC 60065, 6th edition : 1998
 - 
- Page 13 of 43 - 
 
 
   
 
Order No. 
200211175
 
 
 
 
 
Reinforced insulation, three layers 
any two which meet 10.3   
Main transformer insulation 
8.9 
Primary wiring : 
Adequate insulation between internal 
hazardous live conductors and 
accessible parts   
Double insulated. 
 
Secondary wiring : 
Adequate insulation between internal 
hazardous live parts and conductors 
connected to accessible parts   
Single insulated but safely anchored. 
 
8.10 
Class II apparatus : 
Double insulation between 
conductors connected to the mains 
and accessible parts   
Double insulated, tested according to 8.9. and 10.3. 
 
Class II apparatus : 
Double insulation between 
conductors connected to accessible 
parts and the mains   
 
8.11 
Detaching of wires 
 
 
 
No undue reduction of creepage or 
clearance distances if wires become 
detached   
Primary wires in external cords connected with multi-
contact-housing. 
 
Vibration test carried out   
Vibration test considered not necessary   
8.12 
Adequate cross-sectional area of 
internal wiring to mains socket-
outlets   
Socket outlet fuses provided 
8.13 
Adequate fastening of windows, 
lenses, lamp covers etc. (push or 
pull test 20 N for 10 s)   
Adequately fastened. 
 
8.14 
Adequate fastening of covers (push 
or pull test 50 N, for 10 s)   
Covers adequately fastened with screws. 
 
8.15 
No risk of damage to the insulation 
of internal wiring due to hot parts or 
sharp edges   
Wires safely anchored away from parts with high 
temperature. 
 
8.16 
Apparatus designed to be supplied 
by special supply apparatus only.   
 
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