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National Differences
Clause
Requirement − Test
Result – Remark
Verdict
Australian National Differences according to CB Bulletin No. CB Bulletin No. 109A, December 2005
-
small mechanical parts, the mass of which
does not exceed 4 g, such as mounting
parts, gears, cams, belts and bearings;
parts, gears, cams, belts and bearings;
-
small electrical components, such as
capacitors with a volume not exceeding
1750 mm
1750 mm
3
, integrated circuits, transistors and
optocoupler packages, if these components
are mounted on material flammability
category FV-1 or better according to AS/NZS
4695.707
are mounted on material flammability
category FV-1 or better according to AS/NZS
4695.707
NOTE - In considering how to minimize
propagation of fire and what “small parts” are,
account should be taken of the cumulative effect
of small parts adjacent to each other for the
possible effect of propagating fire from one part to
another.
propagation of fire and what “small parts” are,
account should be taken of the cumulative effect
of small parts adjacent to each other for the
possible effect of propagating fire from one part to
another.
Compliance is checked by tests of 4.7.201.2,
4.7.201.3, 4.7.201.4 and 4.7.201.5.
4.7.201.3, 4.7.201.4 and 4.7.201.5.
For the base materials of printed boards,
compliance is checked by the test of 4.7.201.5.
compliance is checked by the test of 4.7.201.5.
The tests shall be carried out on parts of non-
metallic material, which have been removed from
the apparatus. When the glow-wire test is carried
out, the parts shall be placed in the same
orientation, as they would be in normal use.
metallic material, which have been removed from
the apparatus. When the glow-wire test is carried
out, the parts shall be placed in the same
orientation, as they would be in normal use.
These tests are not carried out on internal wiring.
4.7.201.2
Parts of non-metallic material are subjected to
glow wire test of AS/NZS 4695.2.11, which is
carried out at 550 °C.
glow wire test of AS/NZS 4695.2.11, which is
carried out at 550 °C.
Parts for which the glow-wire test cannot be
carried out, such as those made of soft or foamy
material, shall meet the requirements specified in
ISO 9772 for category FH-3 material. The glow-
wire test shall be not carried out on parts of
materials classified at least FH-3 according to
ISO 9772 provided that the sample was not
thicker than the relevant part.
carried out, such as those made of soft or foamy
material, shall meet the requirements specified in
ISO 9772 for category FH-3 material. The glow-
wire test shall be not carried out on parts of
materials classified at least FH-3 according to
ISO 9772 provided that the sample was not
thicker than the relevant part.
Enclosure
P
4.7.201.3
Testing of insulating materials
Parts of insulating materials supporting potential
ignition sources shall be subject to the glow-wire
test of AN/NZS 4695.2.11, which is carried out at
750 °C.
ignition sources shall be subject to the glow-wire
test of AN/NZS 4695.2.11, which is carried out at
750 °C.
The test shall be also carried out on other parts of
insulating material which are within a distance of
3 mm of the connection.
insulating material which are within a distance of
3 mm of the connection.
NOTE - Contacts in components such as switch
contacts are considered to be connections.
contacts are considered to be connections.
PCB, bobbin
P
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