CISPR 14-1:2005/AMD1:2008

CISPR 14-1
Edition 5.0 2008-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES
AMENDMENT 1
AMENDEMENT 1
Electromagnetic compatibility – Requirements for household appliances,
electric tools and similar apparatus –
Part 1: Emission
Compatibilité électromagnétique – Exigences pour les appareils
électrodomestiques, outillages électriques et appareils analogues –
Partie 1: Emission
CISPR 14-1:2005/A1:2008
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CISPR 14-1
Edition 5.0 2008-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES
AMENDMENT 1
AMENDEMENT 1
Electromagnetic compatibility – Requirements for household appliances,
electric tools and similar apparatus –
Part 1: Emission
Compatibilité électromagnétique – Exigences pour les appareils
électrodomestiques, outillages électriques et appareils analogues –
Partie 1: Emission
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
P
CODE PRIX
ICS 33.100.10 ISBN 978-2-88910-006-4
– 2 – CISPR 14-1 Amend. 1 © IEC:2008

FOREWORD
This amendment has been prepared by CISPR subcommittee F: Interference relating to

household appliances tools, lighting equipment and similar apparatus.

The text of this amendment is based on the following documents:

FDIS Report on voting
CISPR/F/491/FDIS CISPR/F/502/RVD

Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the maintenance result date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
CONTENTS
Replace the existing title of subclause 8.4 by the following:
8.4 Non-compliance
Add the titles of Clauses 9 and 10 as follows:
9 Methods of measurement of radiated emission (30 MHz to 1 000 MHz)

10 Measurement uncertainty
Add the following new Tables 4, 5, and 6 :
Table 4 – General margin to the limit for statistical evaluation
Table 5 – Factor k for the application of the non-central t-distribution
Table 6 – Application of the binomial distribution

CISPR 14-1 Amend. 1 © IEC:2008 – 3 –

Foreword
Delete the following sentence: “This publication has been drafted in accordance with the

ISO/IEC Directives, Part 2.”
1 Scope
1.1 Add, to the second paragraph, the following sentence:

Both mains powered appliances and battery powered appliances are included.
Insert, at the end of NOTE 1, the following new item:
– arc welding equipment: CISPR 11.

2 Normative references
Add the following new references:
IEC 61000-4-20:2003, Electromagnetic compatibility (EMC) – Part 4-20: Testing and
measurement techniques – Emission and immunity testing in transverse electromagnetic
(TEM) waveguides
CISPR 16-1-4:2007, Specification for radio disturbance and immunity measuring apparatus
and methods – Part 1-4: Radio disturbance and immunity measuring apparatus – Ancillary
equipment – Radiated disturbances
Amendment 1 (2007)
CISPR 16-2-3:2006, Specification for radio disturbance and immunity measuring apparatus
and methods – Part 2-3: Methods of measurement of disturbances and immunity – Radiated
disturbance measurements
CISPR 16-4-2:2003, Specification for radio disturbance and immunity measuring apparatus
and methods – Part 4-2: Uncertainties, statistics and limit modelling – Uncertainty in EMC
measurements
3 Definitions
3.13
battery box
Replace the existing definition with the following:
compartment which is separate from the toy or appliance and in which the batteries are
placed
Add the following new definitions after definition 3.23
3.24
clock frequency
the fundamental frequency of any signal used in the device excluding those
which are solely used inside integrated circuits (IC).

– 4 – CISPR 14-1 Amend. 1 © IEC:2008

NOTE High frequencies are often generated inside of integrated circuits (IC) by phase-locked-loop (PLL) circuits

from lower clock oscillator frequencies outside the IC.

3.25
battery-operated appliance
appliance which is operated only from batteries and has no provision for performing its

intended function when connected to the mains, either directly or via a power supply.

NOTE 1 Toys are not considered to be appliances.

NOTE 2 An appliance which has provision for charging but cannot perform its intended function during charging is
considered to be a battery-operated appliance.

3.26
mains-operated appliance
all appliances which are not battery-operated appliances
NOTE Toys are not considered to be appliances.

4 Limits of disturbance
Replace the text immediately preceding subclause 4.1 with the following new text:
Radio disturbance measurements below 148,5 kHz and above 1 000 MHz do not need to be
carried out.
4.1 Continuous disturbance
Replace subclauses 4.1.2 and 4.1.3 by the following:
4.1.2 Frequency range 30 MHz to 1 000 MHz
4.1.2.1 Disturbance power measurement in the frequency range 30 MHz to 300 MHz
The limits of the disturbance power are given in Table 2a. Disturbance power is measured in
accordance with Clause 6, at all terminals.
Table 2a – Disturbance power limits for the frequency range 30 MHz to 300 MHz
Household and
Tools
similar appliances
1 2 3 4 5 6 7 8 9
Frequency  Rated motor power not Rated motor power Rated motor power
range exceeding 700 W above 700 W and not above 1 000 W
exceeding 1 000 W
(MHz) dB (pW) dB (pW) dB (pW) dB (pW) dB (pW) dB (pW) dB (pW) dB (pW)
a a a a
Quasi- Average Quasi- Average Quasi- Average Quasi- Average
peak peak peak peak
Increasing linearly with the frequency from:
30 to 300
45 to 55 35 to 45 45 to 55 35 to 45 49 to 59 39 to 49 55 to 65 45 to 55
a
If the limit for the measurement with the average detector is met when using a receiver with a quasi-peak
detector, the equipment under test shall be deemed to meet both limits and the measurement using the
receiver with an average detector need not be carried out.

CISPR 14-1 Amend. 1 © IEC:2008 – 5 –

Table 2b – Margin when performing disturbance power measurement

in the frequency range 30 MHz to 300 MHz

Household and similar
Tools
appliances
1 2 3 4 5 6 7 8 9
Frequency  Rated motor power not Rated motor power above Rated motor power

range exceeding 700 W 700 W and not exceeding above 1 000 W
1 000 W
(MHz) dB (pW) dB (pW) dB (pW) dB (pW) dB (pW) Quasi- dB (pW) dB (pW) dB (pW)
Quasi-peak Average Quasi-peak Average peak Average Quasi-peak Average

Increasing linearly with the frequency from:
200 to 300 0 to 10 dB - 0 to 10 dB - 0 to 10 dB - 0 to 10 dB -

NOTE 1 This table only applies if specified in 4.1.2.3.2.
NOTE 2 The measured result at a particular frequency shall be less than the relevant limit minus the
corresponding margin (at that frequency).

4.1.2.2 Radiated disturbances measurement in the frequency range 30 MHz to
1 000 MHz
The limits of radiated disturbances are given in Table 3. Radiated disturbances are measured
in accordance with the standards and testing methods given in Table 3.
Table 3 – Radiated disturbance limits and testing methods
for the frequency range 30 MHz to 1 000 MHz

Testing method Standard Frequency range Limit Remark
MHz
dBμV/m
Quasi-peak
30 – 230 30
Measurement
a b d
OATS or SAC
230 – 300 37
distance 10 m
CISPR 16-2-3
300 – 1 000 37
f
30 – 230 42 to 35
Measurement
e
FAR CISPR 16-2-3
distance 3 m
230 – 1 000 42
30 – 230 30
c
TEM-Waveguide IEC 61000-4-20 –

230 – 1 000 37
NOTE The lower limit is applicable at the transition frequency.
a
OATS = open area test site
b
SAC = semi-anechoic chamber
c
The TEM-waveguide is limited to devices without cables attached and with a maximum size according to
subclause 6.1 of IEC 61000-4-20 (The largest dimension of the enclosure at 1 GHz measuring frequency is
one wavelength, 300 mm at 1 GHz)
d
Measurements may be made at closer distance, down to 3 m. An inverse proportionality factor of 20 dB per
decade shall be used to normalize the measured data to the specified distance for determining compliance.
e
FAR = fully anechoic room. All equipment, including floor-standing equipment, shall be measured within the
test volume as described in Figure 6 of CISPR 16-2-3.
f
Decreasing linearly with the logarithm of the frequency.
In any situation where it is necessary to verify the original measurement, the measuring
method and measuring distance originally chosen shall be used in order to ensure
consistency of the results.
– 6 – CISPR 14-1 Amend. 1 © IEC:2008

4.1.2.3 Application of the limits

4.1.2.3.1 General
This subclause describes application of the limits for all appliances (see Figure 10).

Regulating controls which incorporate semiconductor devices, electric fence energizers,
rectifiers, battery chargers and converters, which do not contain any clock frequency higher
than 9 kHz, are not subject to the requirements in the frequency range 30 MHz to 1 000 MHz.

4.1.2.3.2 Mains operated appliances

The equipment under test shall be evaluated for emissions in the 30 MHz to 1 000 MHz range
by testing in accordance with either method a) or b), see also Figure 10.
a) The limits in columns 2 and 3 of Table 2a for the frequency range from 30 MHz to
300 MHz shall be met by all appliances except for electric tools. For electric tools the
particular limit
...