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Report No.  27772 

 

 
TRF No.:IECEN60950_1B 

 

K 

ANNEX K, THERMAL CONTROLS (see 1.5.3 and 5.3.7) 

K.1 

Making and breaking capacity 

No thermal controls. 

K.2  

Thermostat reliability; operating 
voltage (V) .......................................................

 

K.3 

Thermostat endurance test; operating 
voltage (V)   .....................................................

 

K.4 

Temperature limiter endurance; 
operating voltage (V)  ................................

 

K.5 

Thermal cut-out reliability 

 

K.6 

Stability of operation 

(see appended table 5.3)  

 

L 

ANNEX L, NORMAL LOAD CONDITIONS FOR SOME TYPES OF ELECTRICAL 
BUSINESS EQUIPMENT (see 1.2.2.1 and 4.5.1) 

L.1  

Typewriters 

L.2 

Adding machines and cash registers 

L.3 

Erasers 

L.4 

Pencil sharpeners 

L.5 

Duplicators and copy machines 

 

L.6 

Motor-operated files 

 

L.7 

Other business equipment 

 

 

M 

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

M.1 

Introduction 

No ringing signals.  

M.2  

Method A 

 

M.3 

Method B 

 

M.3.1 

Ringing signal 

 

M.3.1.1 

Frequency (Hz) ...............................................

 

M.3.1.2 

Voltage (V)  .....................................................

 

M.3.1.3 

Cadence; time (s), voltage (V)  ..........................

 

M.3.1.4 

Single fault current (mA) ................................

 

M.3.2 

Tripping device and monitoring voltage
................................................................

 

M.3.2.1 

Conditions for use of a tripping device 
or a monitoring voltage 

 

M.3.2.2 

Tripping device 

 

M.3.2.3 

Monitoring voltage (V) ................................

 

 

 

 

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Report No.  27772 

 

 
TRF No.:IECEN60950_1B 

 

 

N 

ANNEX N, IMPULSE TEST GENERATORS (see 2.10.3.4, 6.2.2.1, 7.3.2 and 
clause G.5) 

N.1 

ITU-T impulse test generators 

 

N.2 

IEC 60065 impulse test generator  

 

 

P 

ANNEX P, NORMATIVE REFERENCES 

 

Q 

ANNEX Q, BIBLIOGRAPHY 

 

R 

ANNEX R, EXAMPLES OF REQUIREMENTS FOR QUALITY CONTROL 
PROGRAMMES 

R.1 

Minimum separation distances for 
unpopulated coated printed boards 
(see 2.10.6)  

 

R.2 

Reduced clearances (see 2.10.3)  

 

 

S 

ANNEX S, PROCEDURE FOR IMPULSE TESTING (see 6.2.2.3) 

S.1 

Test equipment 

 

S.2 

Test procedure 

 

S.3 

Examples of waveforms during 
impulse testing 

 

 

T 

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

 

 

 

 

U 

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

 

 

 

 

V 

ANNEX V, AC POWER DISTRIBUTION SYSTEMS (see 1.6.1)  

V.1 

Introduction 

 

V.2 

TN power distribution systems   

 

 

W 

ANNEX W, SUMMATION OF TOUCH CURRENTS  

W.1 

Touch current from electronic circuits 

Class III Equipment. 

W.1.1 

Floating circuits 

 

W.1.2 

Earthed circuits 

 

W.2 

Interconnection of several equipments 

Class III Equipment. 

 

 

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Report No.  27772 

 

 
TRF No.:IECEN60950_1B 

 

W.2.1 

Isolation 

 

W.2.2 

Common return, isolated from earth 

 

W.2.3 

Common return, connected to 
protective earth 

 

 

X 

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

X.1 

Determination of maximum input 
current  

 

X.2 

Overload test procedure 

 

 

Y 

ANNEX Y, ULTRAVIOLET LIGHT CONDITIONING TEST (see 4.3.13.3) 

Y.1 

Test apparatus  ................................................

 

Y.2 

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

 

Y.3 

Carbon-arc light-exposure apparatus  ................

 

Y.4 

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

 

 

 

 

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Report No.  27772 

 

 
TRF No.:IECEN60950_1B 

 

 

IEC 60950-1 / EN 60950-1 

Clause 

Requirement – Test  

Result – Remark  

Verdict 

CENELEC COMMON MODIFICATIONS [C], SPECIAL NATIONAL CONDITIONS [S] AND 
A-DEVIATIONS (NATIONAL DEVIATIONS) [A] (EN 60950-1:2001 + A11:2004)  

 

General 

C: Delete all the "country" notes in the reference 
document according to the following list: 

1.1.5  

Note 2 

1.5.8 

Note 2 

1.6.1 

Note  

1.7.2 

Note 4 

1.7.12 

Note 2 

2.1 

Note 

2.2.3 

Note 

2.2.4 

Note 

2.3.2 

Note 2, 7, 8 

2.3.3 

Note 1, 2 

2.3.4 

Note 2,3  2.7.1 

Note 

2.10.3.1 Note 4 

3.2.1.1 

Note 

3.2.3 

Note 1, 2 

3.2.5.1  Note 2 

4.3.6 

Note 1,2  4.7.2.2  Note 

4.7.3.1  Note 2 

6.1.2.1 

Note 

6.1.2.2  Note 

6.2.2 

Note 

6.2.2.1 

Note 2 

6.2.2.2  Note 

7 

Note 4 

7.1 

Note 

 

G2.1 

Note 1, 2 

Annex H  Note 2 

Considered. 

1.2.4.1 

S (DK): 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. 

Class III equipment. 

1.5.1 

A (SE, Ordinance 1990:944) and  
(CH, Ordinance on environmentally hazardous 
substances SR 814.013, Annex 3.2, Mercury): 
Add the following: 

NOTE – Switches containing mercury such as thermostats, 
relays and level controllers are not allowed.

 

There are no components 
containing mercury in the 
equipment.

 

 

1.5.8 

S (NO): Due to the IT power system used (see 
annex V, Fig. V.7), capacitors are required to be 
rated for the applicable line-to-line voltage 
(230 V). 

Class III equipment.  

1.7.2 

S (FI, NO, SE): C

LASS 

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: 

The equipment is not for 
connection to a network.

 

 

 

FI: "Laite on liitettävä suojamaadoituskoskettimilla 
varustettuun pistorasiaan" 

Class III equipment.  

 

NO: "Apparatet må tilkoples jordet stikkontakt" 

Class III equipment.  

 

SE: "Apparaten skall anslutas till jordat uttag" 

Class III equipment.  

 

A (DK, Heavy Current Regulations): Supply cords 
of 

CLASS

 I 

EQUIPMENT

, which is delivered without a 

Class III equipment.