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IEC 60950-1 1st. Ed, 2001
- Page 2 of 5 -
Order No. 46974
1.7.1
Equipment for use on supply systems with a
neutral and more than one phase conductor
(e.g. 120/240 V, 3-wire) require a special
marking format for electrical ratings.
A voltage rating that exceeds an attachment
plug cap rating is only permitted if it does not
exceed the extreme operating conditions in
Table 2 of CAN/CSA C22.2 No. 235, and if it is
part of a range that extends into the Table 2
“Normal Operating Conditions”. Likewise, a
voltage rating shall not be lower than the
specified “Normal Operating Conditions”,
unless it is part of a range that extends into the
“Normal Operating Conditions”.
neutral and more than one phase conductor
(e.g. 120/240 V, 3-wire) require a special
marking format for electrical ratings.
A voltage rating that exceeds an attachment
plug cap rating is only permitted if it does not
exceed the extreme operating conditions in
Table 2 of CAN/CSA C22.2 No. 235, and if it is
part of a range that extends into the Table 2
“Normal Operating Conditions”. Likewise, a
voltage rating shall not be lower than the
specified “Normal Operating Conditions”,
unless it is part of a range that extends into the
“Normal Operating Conditions”.
Class III equipment.
N/A
2.5
Where a fuse is used to provide Class 2,
Limited Power Source (or TNV) current
limiting, it shall not be operator-accessible
unless it is not interchangeable.
Limited Power Source (or TNV) current
limiting, it shall not be operator-accessible
unless it is not interchangeable.
No such fuses provided.
N/A
2.7.1
Suitable NEC/CEC branch circuit protection
rated at the maximum circuit rating is required
for all standard supply outlets, receptacles and
medium-base or smaller lampholders if the
supply branch circuit protection is not suitable.
Power distribution transformers distributing
power at 100 volts or more, and rated 10 kVA
or more, require transformer overcurrent
protection.
rated at the maximum circuit rating is required
for all standard supply outlets, receptacles and
medium-base or smaller lampholders if the
supply branch circuit protection is not suitable.
Power distribution transformers distributing
power at 100 volts or more, and rated 10 kVA
or more, require transformer overcurrent
protection.
No standard supply outlets,
receptacles, lampholders or such
transformers.
receptacles, lampholders or such
transformers.
N/A
3.2
Wiring methods (terminals, leads etc.) used for
the connection of the equipment to the mains
shall be in accordance with the NEC/CEC.
the connection of the equipment to the mains
shall be in accordance with the NEC/CEC.
Class III equipment.
N/A
3.2.1
Power supply cords are required to have
attachment plugs rated not less than 125
percent of the rated current of the equipment.
attachment plugs rated not less than 125
percent of the rated current of the equipment.
Class III equipment.
N/A
3.2.3
Permanent connection of equipment to the
mains supply by a power supply cord is not
permitted, except for certain equipment, such
as ATMs.
mains supply by a power supply cord is not
permitted, except for certain equipment, such
as ATMs.
Class III equipmen, not
permanently connected to the
mains.
permanently connected to the
mains.
N/A
3.2.5
Power supply cords are required to be no
longer than 4.5m in length.
Flexible power supply cords are required to be
compatible with Article 400 of the NEC, and
Tables 11 and 12 of the CEC.
longer than 4.5m in length.
Flexible power supply cords are required to be
compatible with Article 400 of the NEC, and
Tables 11 and 12 of the CEC.
Class III equipment.
N/A
3.2.9
Permanently connected equipment is required
to have a suitable wiring compartment and wire
bending space.
to have a suitable wiring compartment and wire
bending space.
Class III equipmen, not
permanently connected to the
mains.
permanently connected to the
mains.
N/A
3.3
Wiring terminals and associated spacings for
field wiring connections shall comply with CSA
C22.2 No. 0.
field wiring connections shall comply with CSA
C22.2 No. 0.
Class III equipment.
N/A
3.3.3
Wire binding screws are not permitted to attach
conductors larger than 10 AWG (5.3mm
conductors larger than 10 AWG (5.3mm
2
).
Class III equipment.
N/A
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