DUET III - JBL Audio EMC - CB Certificate (repair manual). Page 17

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www.nemko.com
 
Report No.  116366 
 
TRF No.:IECEN60950_1B 
 
IEC 60950-1 / EN 60950-1 
Clause 
Requirement – Test  
Result – Remark  
Verdict 
3.1.1 
Current rating and overcurrent protection 
Adequate cross sectional areas 
on internal wiring. 
3.1.2 
Protection against mechanical damage 
Wireways are smooth and free 
from edges. Wires are 
adequately fixed to prevent 
excessive strain on wire and 
terminals and avoiding damage 
to the insulation of the 
conductors. 
3.1.3 
Securing of internal wiring 
3.1.4 
Insulation of conductors 
Insulation on internal 
conductors is considered to be 
of adequate quality and suitable 
for the application and the 
working voltage involved.  
3.1.5 
Beads and ceramic insulators 
No beads or similar ceramic 
insulators on conductors. 
N/A 
3.1.6 
Screws for electrical contact pressure 
No electrical screw 
connections. 
N/A 
3.1.7 
Insulating materials in electrical connections 
No contact pressure through 
insulating material. 
N/A 
3.1.8 
Self-tapping and spaced thread screws 
Thread-cutting or space thread 
screws are not used for 
electrical connections. 
N/A 
3.1.9 
Termination of conductors 
Not applicable. 
N/A 
 
10 N pull test 
 
 
3.1.10 
Sleeving on wiring 
Sleeves are not used as 
supplementary insulation. 
N/A 
 
3.2 
Connection to an a.c. mains supply or a d.c. mains supply  
 
3.2.1 
Means of connection ..........................................:
Class III equipment. Unit is not 
intended for direct connection 
to a mains supply 
 
3.2.1.1 
Connection to an a.c. mains supply 
 
N/A 
3.2.1.2 
Connection to a d.c. mains supply 
 
N/A 
3.2.2 
Multiple supply connections  
 
N/A 
3.2.3 
Permanently connected equipment 
 
N/A 
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