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National Differences
Clause
Requirement
−
Test
Result – Remark
Verdict
Australian National Differences
4.7
Add After Clause 4.7 the following variation:
For alternative tests refer to Annex YY.
For alternative tests refer to Annex YY.
Added.
N
6.2.1
Delete item c) and replace with the following:
An SELV circuit, a TNV-2 circuit or a limited
An SELV circuit, a TNV-2 circuit or a limited
current circuit provided for connection of
other equipment. The requirement for
separation applies whether or not this circuit
is accessible.
Deleted.
N
6.2.2
Replace the first paragraph with the following
variation:
In Australia (this variation does not apply in New
In Australia (this variation does not apply in New
Zealand), compliance with 6.2.2 is checked by
the tests of both 6.2.2.1 and 6.2.2.2.
No TNV circuits provided.
N
6.2.2.1
Replace Clause 6.2.2.1 with the following
variation:
In Australia (this variation does not apply in New
In Australia (this variation does not apply in New
Zealand), the electrical separation is subjected to
10 impulses of alternating polarity, using the
impulse test generator of annex N for 10/700
µ
s
impulses. The interval between successive
impulses is 60 s and the initial voltage, Uc, is:
- for 6.2.1 a):
7.0 kV for hand-held telephones and for
- for 6.2.1 a):
7.0 kV for hand-held telephones and for
headsets and 2.5 kV for other equipment; and
- for 6.2.1b) and 6.2.1c):
1.5 kV.
NOTE 1 - The 7 kV impulse simulates lightning
- for 6.2.1b) and 6.2.1c):
1.5 kV.
NOTE 1 - The 7 kV impulse simulates lightning
surges on typical rural and semi-rural network
lines.
NOTE 2 – The 2.5 kV impulse for 6.2.1a) was
NOTE 2 – The 2.5 kV impulse for 6.2.1a) was
chosen to ensure adequacy of the insulation
concerned and does not necessarily simulate
likely overvoltages.
No TNV circuits provided.
N
6.2.2.2
Replace the first and second paragraph of
Clause 6.2.2.2 with the following variation:
In Australia (this variation does not apply in New
In Australia (this variation does not apply in New
Zealand), the electrical separation is subjected to
an electric strength test according to 5.2.2.
The a.c. test voltage is:
- for 6.2.1a):
The a.c. test voltage is:
- for 6.2.1a):
3 kV; and
- for 6.2.1b) and 6.2.1c):
1.5 kV.
NOTE 1 – Where there are capacitors across the
insulation under test, it is recommended that d.c.
test voltages are used.
No TNV circuits provided.
N
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