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- Page 33 of 53 - 

 

 

 Report 

No. 

100711 

 

 

TRF No. IECEN60950_1C 

 

 

U 

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

N 

 

 

See separate test report 

⎯ 

 

V 

ANNEX V, AC POWER DISTRIBUTION SYSTEMS (see 1.6.1)  

N 

V.1 Introduction 

 

N 

V.2 

TN power distribution systems  

 

N 

 

W 

ANNEX W, SUMMATION OF TOUCH CURRENTS  

N 

W.1 

Touch current from electronic circuits 

 

N 

W.1.1 Floating 

circuits 

 

N 

W.1.2 Earthed 

circuits 

 

N 

W.2 

Interconnection of several equipments 

 

N 

W.2.1 Isolation 

 

N 

W.2.2 

Common return, isolated from earth 

 

N 

W.2.3 

Common return, connected to protective earth 

 

N 

 

X 

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

N 

X.1 

Determination of maximum input current  

 

N 

X.2 

Overload test procedure 

 

N 

 

Y 

ANNEX Y, ULTRAVIOLET LIGHT CONDITIONING TEST (see 4.3.13.3) 

N 

Y.1 Test 

apparatus ..................................................... :   

N 

Y.2 

Mounting of test samples ..................................... :   

N 

Y.3 Carbon-arc 

light-exposure apparatus .................. :   

N 

Y.4 

Xenon-arc light exposure apparatus .................... :   

N 

 

Z 

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

N 

 

AA 

ANNEX AA, MANDREL TEST (see 2.10.5.8) 

N 

 

BB 

ANNEX BB, CHANGES IN THE SECOND EDITION 

⎯ 

 

 

 

 

- Page 34 of 53 - 

 

 

 Report 

No. 

100711 

 

 

TRF No. IECEN60950_1C 

 

 

 

EN 60950-1:2006 – CENELEC COMMON MODIFICATIONS 

Contents 

Add the following annexes: 
Annex ZA (normative)  

 

Normative references to international publications 

 

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 

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 

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 

 

 

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 Report 

No. 

100711 

 

 

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 

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 

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 

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.

 

⎯ 

 

 

- Page 36 of 53 - 

 

 

 Report 

No. 

100711 

 

 

TRF No. IECEN60950_1C 

 

 

Annex H 

Replace the last paragraph of this annex by: 
At any point 10 cm from the surface of the OPERATOR ACCESS AREA, the dose 
rate shall not exceed 1 μSv/h (0,1 mR/h) (see NOTE). Account is taken of the 
background level. 
Replace the notes as follows: 

NOTE These values appear in Directive 96/29/Euratom. 

Delete NOTE 2. 

N 

Biblio-
graphy 

Additional EN standards. 

⎯ 

 

ZA 

NORMATIVE REFERENCES TO INTERNATIONAL PUBLICATIONS WITH THEIR 
CORRESPONDING EUROPEAN PUBLICATIONS 

⎯ 

 

ZB 

SPECIAL NATIONAL CONDITIONS 

⎯ 

1.2.4.1 

In Denmark, certain types of Class I appliances (see 3.2.1.1) may be provided with 
a plug not establishing earthing conditions when inserted into Danish socket-
outlets. 

N 

1.5.7.1 

In Finland, Norway and Sweden, resistors bridging BASIC INSULATION in 
CLASS I PLUGGABLE EQUIPMENT TYPE A must comply with the requirements 
in 1.5.7.2. 

N 

1.5.8 

In Norway, due to the IT power system used (see annex V, Figure V.7), capacitors 
are required to be rated for the applicable line-to-line voltage (230 V). 

N 

1.5.9.4 

In Finland, Norway and Sweden, the third dashed sentence is applicable only to 
equipment as defined in 6.1.2.2 of this annex. 

N 

1.7.2.1 

In Finland, Norway and Sweden, CLASS I PLUGGABLE EQUIPMENT TYPE A 
intended for connection to other equipment or a network shall, if safety relies on 
connection to protective earth or if surge suppressors are connected between the 
network terminals and accessible parts, have a marking stating that the equipment 
must be connected to an earthed mains socket-outlet. 
The marking text in the applicable countries shall be as follows: 
In Finland: "Laite on liitettävä suojamaadoituskoskettimilla varustettuun 
pistorasiaan" 
In Norway: “Apparatet må tilkoples jordet stikkontakt” 
In Sweden: “Apparaten skall anslutas till jordat uttag” 

N 

1.7.5 

In Denmark, socket-outlets for providing power to other equipment shall be in 
accordance with the Heavy Current Regulations, Section 107-2-D1, Standard 
Sheet DK 1-3a, DK 1-5a or DK 1-7a, when used on Class I equipment. For 
STATIONARY EQUIPMENT the socket-outlet shall be in accordance with Standard 
Sheet DK 1-1b or DK 1-5a. 

N 

2.2.4 

In Norway, for requirements see 1.7.2.1, 6.1.2.1 and 6.1.2.2 of this annex. 

N 

2.3.2 

In Finland, Norway and Sweden there are additional requirements for the 
insulation. See 6.1.2.1 and 6.1.2.2 of this annex. 

N