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Page 25 of 33

Report Reference No.: 086-2101101501-000

TÜV SÜD Hong Kong Ltd.

 Test Report National and Group Differences for IEC 60950-1 2

nd

 Ed. Rev. 01 / 2010-04

OTHER NATIONAL DIFFERENCES

1.5.1

Some components and materials associated with
the risk of fire, electric shock, or personal injury
are required to have component or material
ratings in accordance with the applicable national
(U.S. and Canadian) component or material
requirements. These components include:
attachment plugs, battery packs (rechargeable
type, used with transportable equipment),
cathode ray tubes, circuit breakers,
communication circuit accessories, connectors
(used for current interruption of non-LPS
circuits), cord sets and power supply cords, direct
plug-in equipment, enclosures (outdoor), flexible
cords and cables, fuses (branch circuit),
fuseholders, ground-fault current interrupters,
industrial control equipment, insulating tape,
interconnecting cables, lampholders, limit
controls, printed wiring, protectors for
communications circuits, receptacles, solid state
controls, supplementary protectors,  switches
(including interlock switches), thermal cutoffs,
thermostats, (multi-layer) transformer winding
wire, transient voltage surge suppressors, tubing,
wire connectors, and wire and cables.

P

1.6.1.2 

A circuit for connection to the DC Mains Supply
is classified as either a SELV Circuit, TNV-2
Circuit or Hazardous Voltage Circuit depending
on the maximum operating voltage of the supply.
This maximum operating voltage it to include
consideration of the battery charging “Float
voltage” associated with the intended supply
system, regardless of the marked power rating of
the equipment.

N/A

2.3.1

For TNV-2 and TNV-3 circuits with other than
ringing signals and with voltages exceeding 42.4
Vpeak or 60 Vd.c., the max. acceptable current
through a 2000 ohm resistor (or greater)
connected across the voltage source with other
loads disconnected is 7.1 mA peak or 30 mA d.c.
under normal operating conditions.

N/A

2.3.2.1 

In the event of a single fault between TNV and
SELV circuits, the limits of 2.2.3 apply to SELV
Circuits and accessible conductive parts.

N/A

2.6.3.4 

Protective bonding conductors of non-standard
protective bonding constructions (e.g., printed
circuit traces) may be subjected to the additional
limited short circuit test conditions specified.

N/A

4.2.8.1 

Enclosures around CRTs with a face diameter of
160 mm or more are required to reduce the risk
of injury due to the implosion of the CRT.

N/A

Page 26 of 33

Report Reference No.: 086-2101101501-000

TÜV SÜD Hong Kong Ltd.

 Test Report National and Group Differences for IEC 60950-1 2

nd

 Ed. Rev. 01 / 2010-04

4.2.11

For equipment intended for mounting on racks
and provided with slide/rails allowing the
equipment to slide away from the rack for
installation, service and maintenance, additional
construction, performance and marking
requirements are applicable to determine the
adequacy of the slide/rails.

N/A

4.3.2

Equipment with handles is required to comply
with special loading tests.

N/A

5.1.8.3 

Equipment intended to receive
telecommunication ringing signals is required to
comply with a special touch current
measurement tests.

N/A

5.3.7

During abnormal operating testing, if a circuit is
interrupted by the opening of a component, the
test shall be repeated twice (three tests total)
using new components as necessary.

N/A

6.4

Equipment intended for connection to
telecommunication network outside plant cable is
required to be protected against overvoltage
from power line crosses in accordance with 6.4
and Annex NAC. M.2 Continuous ringing signals
up to 16 mA only are permitted if the equipment
is subjected to special installation and
performance restrictions.

N/A

M.2

Continuous ringing signals up to 16 mA only are
permitted if the equipment is subjected to special
installation and performance restrictions.

N/A

Annex
NAD

Equipment connected to a telecommunication
and cable distribution networks and supplied with
an earphone intended to be held against, or in
the ear is required to comply with special
acoustic pressure requirements.

N/A

Annex
NAF

Document (paper) shredders likely to be used in
a home or home office (Pluggable Equipment
Type A plug configuration) are required to
comply with additional requirements, including
markings/instructions, protection against
inadvertent reactivation of a safety interlock,
disconnection from the mains supply (via
provision of an isolating switch), and protection
against operator access (accessibility determined
via new accessibility probe & probe/wedge).

N/A

Page 27 of 33

Report Reference No.: 086-2101101501-000

TÜV SÜD Hong Kong Ltd.

 Test Report National and Group Differences for IEC 60950-1 2

nd

 Ed. Rev. 01 / 2010-04

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

P

1.3.Z1

Add the following subclause:

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

P

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

Page 28 of 33

Report Reference No.: 086-2101101501-000

TÜV SÜD Hong Kong Ltd.

 Test Report National and Group Differences for IEC 60950-1 2

nd

 Ed. Rev. 01 / 2010-04

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’.

N/A

3.2.3

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

N/A

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.

N/A