AVR 4550 - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 15

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 - 
IEC 60065, 6th edition : 1998
 - 
- Page 13 of 39 - 
 
 
   
 Order 
No. 
200245266
 
 
 
 
 
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 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.   
 
 
ELECTRIC SHOCK HAZARD 
UNDER NORMAL OPERATING 
CONDITIONS  
 
9.1.1 
Touch current expressed as voltages 
U1 and U2 in Annex D   
 
Location Measured 
U1 
V (peak) 
Measured U1 
V (DC) 
Measured U2 
V (peak) 
Limits : 
U1 Max 35V (peak) 
U1 Max 1.0V (DC) 
U2 Max 0.35V 
(peak) 
Mains pole 1 - RCA terminal 
< 0,46 V 
< 0,02 V 
Pass 
Mains pole 2 - RCA terminal 
< 0,50 V 
< 0,03 V 
Pass 
 
 
 
 
 
 
 
 
 
 
 
Discharge not exceeding 45 
µ
C  
No part or contact of a terminal with stored voltages 
between 60V - 15kV 
 
Energy of discharge not exceeding 
350 mJ   
No part or contact of a terminal with stored voltages 
exceeding 15kV 
 
Test with test finger according to test 
probe B of IEC 61 032 (20N) 
No access to hazardous live parts 
 
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