JBL ON STAGEII (serv.man12) EMC - CB Certificate ▷ View online
IEC 60950-1 1st. Ed, 2001
- Page 1 of 5 -
Order No. 46974
APPENDIX: USA DEVIATIONS
Test results according to CB BULLETIN No. 107A, May 2004.
Clause
Requirement - Test
Result - Remark
Ver-
dict
The United States of America and Canada have adopted a single, bi-
national standard, CAN/CSA C22.2 No. 60950-1/UL60950-1, First Edition,
which is based on IEC 60950-1, First Edition. This bi-national standard
should be consulted for further details on the national conditions and
differences summarized below.
national standard, CAN/CSA C22.2 No. 60950-1/UL60950-1, First Edition,
which is based on IEC 60950-1, First Edition. This bi-national standard
should be consulted for further details on the national conditions and
differences summarized below.
The following is a summary of the key national differences based on
national regulatory requirements, such as the National Electrical Code
(NEC) ANSI/ NFPA 70-2002, which are referenced in legislation and
which form the basis for the rules and practices followed in the
electrical and building installations.
national regulatory requirements, such as the National Electrical Code
(NEC) ANSI/ NFPA 70-2002, which are referenced in legislation and
which form the basis for the rules and practices followed in the
electrical and building installations.
1.1.1
All equipment is to be designed to allow
installations in accordance with the National
Electrical Code (NEC), ANSI/NFPA 70, the
Canadian Electrical Code (CEC), Part 1,
CAN/CSA C22.1, and when applicable, the
National Electrical Safety Code, IEEE C2.
Also, unless marked or otherwise identified,
installation is allowed per the Standard for the
Protection of Electronic Computer/Data-
Processing Equipment, ANSI/NFPA 75.
installations in accordance with the National
Electrical Code (NEC), ANSI/NFPA 70, the
Canadian Electrical Code (CEC), Part 1,
CAN/CSA C22.1, and when applicable, the
National Electrical Safety Code, IEEE C2.
Also, unless marked or otherwise identified,
installation is allowed per the Standard for the
Protection of Electronic Computer/Data-
Processing Equipment, ANSI/NFPA 75.
Class III equipment.
N/A
1.4.14
For pluggable Equipment Type A, the
protection in the insulation is assume to be 20
A.
protection in the insulation is assume to be 20
A.
Class III equipment.
N/A
1.5.5
For lengths exceeding 3.05 m, external
interconnecting flexible cord and cable
assemblies are required to be a suitable cable
type (e.g. DP, CL2) specified in the NEC.
For length 3.05m or less, external
interconnecting flexible cord and cable
assemblies which are not types specified in the
NEC are required to have special construction
features and identification markings.
interconnecting flexible cord and cable
assemblies are required to be a suitable cable
type (e.g. DP, CL2) specified in the NEC.
For length 3.05m or less, external
interconnecting flexible cord and cable
assemblies which are not types specified in the
NEC are required to have special construction
features and identification markings.
Interconnecting cables contain
SELV only.
SELV only.
P
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
IEC 60950-1 1st. Ed, 2001
- Page 2 of 5 -
Order No. 46974
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 fuse provided.
N/A
2.7.1
Suitable NEC branch circuit protection 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 V or
more, and rated 10 kVA or more, require
transformer overcurrent protection.
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 V 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
3.3.4
Terminals for permanent wiring, including
protective earthing terminals are required to be
suitable for U.S./Canadian wire gauge sizes,
rated 125 percent of the equipment rating, and
specially marked when specified (1.7.7).
protective earthing terminals are required to be
suitable for U.S./Canadian wire gauge sizes,
rated 125 percent of the equipment rating, and
specially marked when specified (1.7.7).
Class III equipmen, not
permanently connected to the
mains.
permanently connected to the
mains.
N/A
3.4.2
Motor control devices are required for cord-
connected equipment with a motor if the motor
is rated more than 12 A, or if the motor has a
nominal voltage rating greater than 120 V, or is
rated more than 1/3hp (locked rotor current
over 43 A).
connected equipment with a motor if the motor
is rated more than 12 A, or if the motor has a
nominal voltage rating greater than 120 V, or is
rated more than 1/3hp (locked rotor current
over 43 A).
No such motors in the equipment.
N/A
3.4.8
Vertically-mounted disconnect switches and
circuit breakers are required to have the “on”
position indicated by the handle in the up
position.
circuit breakers are required to have the “on”
position indicated by the handle in the up
position.
No such disconnect switch.
N/A
IEC 60950-1 1st. Ed, 2001
- Page 3 of 5 -
Order No. 46974
3.4.11
For computer room applications, equipment
with battery systems capable of supplying 750
VA for five minutes are required to have a
battery disconnect means that may be
connected to the computer room remote
power-off circuit.
with battery systems capable of supplying 750
VA for five minutes are required to have a
battery disconnect means that may be
connected to the computer room remote
power-off circuit.
No such battery in the equipment.
N/A
4.3.12
The maximum quantity of flammable liquid
stored in equipment is required to comply with
NFPA 30.
stored in equipment is required to comply with
NFPA 30.
No flammable liquids within the
equipment.
equipment.
N/A
4.3.13
Equipment with lasers is required to meet
Code of Federal Regulations 21CFR 1040
(and the Canadian Radiation Emitting Devices
Act, REDR C1370).
Code of Federal Regulations 21CFR 1040
(and the Canadian Radiation Emitting Devices
Act, REDR C1370).
No laser components, LEDs are
diffuse type.
diffuse type.
N/A
4.7
For computer room applications, automated
information storage systems with combustible
media greater than 27 cubic feet are required
to have a provision for connection of either
automatic sprinklers or a gaseous agent
extinguishing system with an extended
discharge.
information storage systems with combustible
media greater than 27 cubic feet are required
to have a provision for connection of either
automatic sprinklers or a gaseous agent
extinguishing system with an extended
discharge.
The equipment has no combustible
area greater than 27 cubic feet.
area greater than 27 cubic feet.
N/A
4.7.3.1
For computer room applications, enclosures
with combustible material measuring greater
than 0.9 m
with combustible material measuring greater
than 0.9 m
2
or a single dimension greater than
1.8 m, are required to have a flame spread
rating of 50 or less. For other applications,
enclosures with the same dimensions require a
flame spread rating of 200 or less.
rating of 50 or less. For other applications,
enclosures with the same dimensions require a
flame spread rating of 200 or less.
The equipment has no combustible
material greater than 0.93m² or
single dimension greater than 1.8m.
material greater than 0.93m² or
single dimension greater than 1.8m.
N/A
Annex H
Equipment that produces ionizing radiation is
required to comply with Code of Federal
Regulations, 21 CFR 1020 (and the Canadian
Radiation Emitting Devices Act, REDR C1370).
required to comply with Code of Federal
Regulations, 21 CFR 1020 (and the Canadian
Radiation Emitting Devices Act, REDR C1370).
The equipment does not produce
ionizing radiation.
ionizing radiation.
N/A
IEC 60950-1 1st. Ed, 2001
- Page 4 of 5 -
Order No. 46974
The following key national differences are based on requirements other than
national regulatory requirements.
national regulatory requirements.
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, surge suppressors,
switches (including interlock switches), thermal
cutoffs, thermostats, multi-layer transformer
winding wire, tubing, wire connectors and wire
and cables
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, surge suppressors,
switches (including interlock switches), thermal
cutoffs, thermostats, multi-layer transformer
winding wire, tubing, wire connectors and wire
and cables
All critical components are IEC,
CSA and UL certified. See list of
critical components in main CB test
report (see appended table 1.5.1).
CSA and UL certified. See list of
critical components in main CB test
report (see appended table 1.5.1).
P
2.3.1
For TNV-2 and TNV-3 circuits with other than
ringing signals and with voltages exceeding
42.4 Vp or 60 Vdc, the maximum 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 dc under normal operating
conditions.
ringing signals and with voltages exceeding
42.4 Vp or 60 Vdc, the maximum 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 dc under normal operating
conditions.
No TNV circuitry.
N/A
2.3.2
In the event of a single fault, the limits of 2.2.3
apply to SELV Circuits and accessible
conductive parts.
apply to SELV Circuits and accessible
conductive parts.
No TNV circuitry.
N/A
2.6.3.4
When subject to impedance testing, protective
earthing and bonding is required to be
subjected to the additional test conditions
specified.
earthing and bonding is required to be
subjected to the additional test conditions
specified.
Class III equipment.
N/A
3.2.1.2
Equipment connected to a centralized d.c.
power system, and having one pole of the DC
mains input terminal connected to the main
protective earthing terminal in the equipment,
is required to comply with special earthing,
wiring, marking and installation instructions
requirements
power system, and having one pole of the DC
mains input terminal connected to the main
protective earthing terminal in the equipment,
is required to comply with special earthing,
wiring, marking and installation instructions
requirements
Class III equipment, not for
connection to DC mains.
connection to DC mains.
N/A
4.2.8.1
Enclosures around CRT’s with a face area of
160 mm or more are required to reduce the
risk of injury due to the implosion of the CRT.
160 mm or more are required to reduce the
risk of injury due to the implosion of the CRT.
No CRTs in the equipment.
N/A
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