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 Report 

No. 

158002 

 

 
TRF No.:IECEN60950_1C 

 

L.7 

Other business equipment 

 

P 

 

M 

ANNEX M, CRITERIA FOR TELEPHONE RINGING SIGNALS (see 2.3.1) 

N/A 

 

No TNV circuits in the equipment. 

— 

 

N 

ANNEX N, IMPULSE TEST GENERATORS (see 1.5.7.2, 1.5.7.3, 2.10.3.9, 6.2.2.1, 
7.3.2, 7.4.3 and Clause G.5) 

N/A 

 

The impulse testing is not used. 

— 

 

P 

ANNEX P, NORMATIVE REFERENCES 

— 

 

Q 

ANNEX Q, Voltage dependent resistors (VDRs) (see 1.5.9.1) 

N/A 

 

a) Preferred climatic categories  ............................ :  

N/A 

 

b) Maximum continuous voltage  ........................... :  

N/A 

 c) 

Pulse 

current  .................................................... :  

N/A 

 

 

 

 

R 

ANNEX R, EXAMPLES OF REQUIREMENTS FOR QUALITY CONTROL 
PROGRAMMES 

N/A 

 

The quality control programmes are not used. 

— 

 

S 

ANNEX S, PROCEDURE FOR IMPULSE TESTING (see 6.2.2.3) 

N/A 

 

The impulse testing is not used. 

— 

 

T 

ANNEX T, GUIDANCE ON PROTECTION AGAINST INGRESS OF WATER 
(see 1.1.2) 

N/A 

 

Not protected against ingress of water. 

— 

 

U 

ANNEX U, INSULATED WINDING WIRES FOR USE WITHOUT INTERLEAVED 
INSULATION (see 2.10.5.4) 

N/A 

 

No such insulated winding wires for use without interleave. 

— 

 

V 

ANNEX V, AC POWER DISTRIBUTION SYSTEMS (see 1.6.1)  

N/A 

V.1 

Introduction 

Class III equipment. 

— 

V.2 

TN power distribution systems  

 

N/A 

 

 

 

 

W 

ANNEX W, SUMMATION OF TOUCH CURRENTS  

N/A 

 

Not connected to TNV circuit. 

— 

 

 

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 Report 

No. 

158002 

 

 
TRF No.:IECEN60950_1C 

 

 

X 

ANNEX X, MAXIMUM HEATING EFFECT IN TRANSFORMER TESTS (see clause 
C.1) 

N/A 

X.1 

Determination of maximum input current  

 

N/A 

X.2 

Overload test procedure 

 

N/A 

 

Y 

ANNEX Y, ULTRAVIOLET LIGHT CONDITIONING TEST (see 4.3.13.3) 

N/A 

 

No ultraviolet light. 

— 

 

Z 

ANNEX Z, OVERVOLTAGE CATEGORIES (see 2.10.3.2 and Clause G.2) 

— 

 

AA 

ANNEX AA, MANDREL TEST (see 2.10.5.8) 

— 

 

BB 

ANNEX BB, CHANGES IN THE SECOND EDITION 

— 

 

 

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 Report 

No. 

158002 

 

 
TRF No.:IECEN60950_1C 

 

 

EN 60950-1:2006 – CENELEC COMMON MODIFICATIONS 

Contents 

Add the following annexes: 
Annex ZA (normative)  

 

Normative references to international publications 

with their corresponding European publications 
Annex ZB (normative)  

 

Special national conditions 

Annex ZC (informative)   A-deviations 

P 

General 

Delete all the “country” notes in the reference document according to the following 
list: 
1.4.8 

Note 2 

1.5.1 

Note 2 & 3 

1.5.7.1 

Note 

1.5.8 

Note 2  

1.5.9.4  

Note  

1.7.2.1 

Note 4, 5 & 6 

2.2.3  

Note  

2.2.4  

Note  

2.3.2  

Note 

2.3.2.1   Note 2  

2.3.4  

Note 2  

2.6.3.3  

Note 2 & 3 

2.7.1  

Note  

2.10.3.2   Note 2  

2.10.5.13  Note 3 

3.2.1.1   Note  

3.2.4  

Note 3. 

2.5.1  

Note 2 

4.3.6  

Note 1 & 2  

4.7  

Note 4  

4.7.2.2  

Note 

4.7.3.1  Note 2  

5.1.7.1  

Note 3 & 4  

5.3.7  

Note 1 

6  

Note 2 & 5  

6.1.2.1  

Note 2  

6.1.2.2  

Note 

6.2.2  

Note 6. 

2.2.1  

Note 2  

6.2.2.2  

Note 

7.1  

Note 3  

7.2  

Note  

7.3  

Note 1 & 2 

G.2.1   Note 2  

Annex H  Note 2 

— 

1.3.Z1 

Add the following subclause: 
1.3.Z1 Exposure to excessive sound pressure  
The apparatus shall be so designed and constructed as to present no danger when 
used for its intended purpose, either in normal operating conditions or under fault 
conditions, particularly providing protection against exposure to excessive sound 
pressures from headphones or earphones. 

NOTE Z1 A new method of measurement is described in EN 50332-1, Sound system 
equipment: 
Headphones and earphones associated with portable audio equipment - Maximum sound 
pressure level measurement methodology and limit considerations - Part 1: General method 
for “one package equipment”, and in EN 50332-2, Sound system equipment: Headphones 
and earphones associated with portable audio equipment - Maximum sound pressure level 
measurement methodology and limit considerations - Part 2: Guidelines to associate sets 
with headphones coming from different manufacturers. 

N/A 

1.5.1 

Add the following NOTE: 

NOTE Z1 The use of certain substances in electrical and electronic equipment is restricted 
within the EU: see Directive 2002/95/EC 

N/A 

1.7.2.1 

Add the following NOTE: 

NOTE Z1 In addition, the instructions shall include, as far as applicable, a warning that 
excessive sound pressure from earphones and headphones can cause hearing loss 

N/A 

 

 

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 Report 

No. 

158002 

 

 
TRF No.:IECEN60950_1C 

 

2.7.1 

Replace the subclause as follows: 
Basic requirements 
To protect against excessive current, short-circuits and earth faults in PRIMARY 
CIRCUITS, protective devices shall be included either as integral parts of the 
equipment or as parts of the building installation, subject to the following, a), b) and 
c): 
a) except as detailed in b) and c), protective devices necessary to comply with the 
requirements of 5.3 shall be included as parts of the equipment; 
b) for components in series with the mains input to the equipment such as the 
supply cord, appliance coupler, r.f.i. filter and switch, short-circuit and earth fault 
protection may be provided by protective devices in the building installation; 
c) it is permitted for PLUGGABLE EQUIPMENT TYPE B or PERMANENTLY 
CONNECTED EQUIPMENT, to rely on dedicated overcurrent and short-circuit 
protection in the building installation, provided that the means of protection, e.g. 
fuses or circuit breakers, is fully specified in the installation instructions. 
If reliance is placed on protection in the building installation, the installation 
instructions shall so state, except that for PLUGGABLE EQUIPMENT TYPE A the 
building installation shall be regarded as providing protection in accordance with 
the rating of the wall socket outlet. 

N/A 

2.7.2 

This subclause has been declared ‘void’. 

— 

3.2.3 

Delete the NOTE in Table 3A, and delete also in this table the conduit sizes in 
parentheses. 

— 

3.2.5.1 

Replace  

“60245 IEC 53” by “H05 RR-F”;  

 

 

“60227 IEC 52” by “H03 VV-F or H03 VVH2-F”;  

 

 

“60227 IEC 53” by “H05 VV-F or H05 VVH2-F2”. 

In Table 3B, replace the first four lines by the following: 
| Up to and including 6  

 

|  

 

 

 

0,75 

a)

  

| 

| Over 6 up to and including 10  |  

(0,75) 

b)

 

 

 1,0 

 | 

| Over 10 up to and including 16   |  

(1,0) 

c)

  

 

1,5    

| 

In the conditions applicable to Table 3B delete the words “in some countries” in 
condition 

a)

. 

In NOTE 1, applicable to Table 3B, delete the second sentence. 

N/A 

3.3.4 

In Table 3D, delete the fourth line: conductor sizes for 10 to 13 A, and replace with 
the following: 
| Over 10 up to and including 16   |  

1,5 to 2,5  

|  

1,5 to 4  

| 

Delete the fifth line: conductor sizes for 13 to 16 A. 

N/A 

4.3.13.6 

Add the following NOTE: 

NOTE Z1 Attention is drawn to 1999/519/EC: Council Recommendation on the limitation of 
exposure of the general public to electromagnetic fields 0 Hz to 300 GHz. Standards taking 
into account this Recommendation which demonstrate compliance with the applicable EU 
Directive are indicated in the OJEC.

 

—