ON STAGE 400P (serv.man4) - JBL Audio EMC - CB Certificate (repair manual). Page 30

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- Page 30 of 53 - 
 
 
 Report 
No. 
100711 
 
 
TRF No. IECEN60950_1C 
 
 
 Type 
..................................................................... : 
 
⎯ 
 Rated 
values   ....................................................... : 
 
⎯ 
 
Method of protection ............................................. :  
⎯ 
C.1 Overload 
test 
 
C.2 Insulation 
 
 
Protection from displacement of windings ............: 
 N 
 
ANNEX D, MEASURING INSTRUMENTS FOR TOUCH-CURRENT TESTS 
(see 5.1.4) 
 
D.1 Measuring 
instrument 
 
D.2 
Alternative measuring instrument 
 
 
ANNEX E, TEMPERATURE RISE OF A WINDING (see 1.4.13) 
 
ANNEX F, MEASUREMENT OF CLEARANCES AND CREEPAGE DISTANCES 
(see 2.10 and Annex G) 
 
ANNEX G, ALTERNATIVE METHOD FOR DETERMINING MINIMUM 
CLEARANCES  
N
 
G.1 Clearances 
 
G.1.1 General 
 
G.1.2 
Summary of the procedure for determining 
minimum clearances 
 
G.2 
Determination of mains transient voltage (V)  
 
G.2.1 AC 
mains supply  .................................................. :   
G.2.2 
Earthed d.c. mains supplies ................................. :   
G.2.3 Unearthed 
d.c. 
mains supplies ............................ :   
G.2.4 Battery 
operation .................................................. :  
G.3 
Determination of telecommunication network 
transient voltage (V) ............................................. : 
 
G.4 
Determination of required withstand voltage (V) 
 
G.4.1 
Mains transients and internal repetitive peaks  .... :   
G.4.2 
Transients from telecommunication networks  ..... :   
G.4.3 
Combination of transients 
 
G.4.4 
Transients from cable distribution systems 
 
G.5 
Measurement of transient voltages (V) 
 
 
a) Transients from a mains supply 
 
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