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ON STAGE (serv.man3)
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EMC - CB Certificate
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JBL ON STAGE (serv.man3) EMC - CB Certificate ▷ View online

IEC 60950 3rd. Ed, 1999 
- Page 1 of 5 - 
 
 
 
 
Order No.  23171 
 
APPENDIX: CANADIAN DEVIATIONS 
Test results according to CB BULLETIN No. 105A, May 2003
 
 
Clause  
Requirement - Test 
Result - Remark 
Ver-
dict 
 
The following is a summary of the key natio nal differences from IEC 60950, 3rd 
Edition. The standard (CAN/CSA C22.2 No. 60950/UL 60950, Third Edition) 
should be consulted for further details on the national differences summarized 
below. 
— 
 
The following Canadian national differences are based on the requirements of 
the Canadian Electrical Code (CEC), Part 1 and the Canadian Building Code, 
which are referenced in legislation and which form the basis for the rules and 
practices followed in electrical and other building installations in Canada, 
Notes'. 
• 
"CEC" denotes Canadian Electrical Code. 
• 
"NEC' denotes US National Electrical Code. 
Due to common Canadian and US national differences, products that are in 
compliance with the Canadian national differences are also considered in 
compliance with the U S national differences. 
— 
1.1.1  
All equipment design and installations are 
required to be in accordance with the 
Canadian Electrical Code (CEC), Part 1, 
CAN/CSA C22.1, and with National Electrical 
Code (NEC), ANS/NFPA 70, and, unless 
marked or otherwise identified, the standard for 
the Protection of Electronic Computer/Data-
Processing Equipment, ANSI/NFPA 75.  
Class III equipment. 
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 CEC/NEC.  
For length 3.05m or less, external 
interconnecting flexible cord and cable 
assemblies which are not types specified in the 
CEC/NEC are required to have special 
construction features and identification 
markings. 
Class III equipment. 
1.7.1  
Equipment for use on a.c. mains 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”.  
Class III equipment. 
IEC 60950 3rd. Ed, 1999 
- Page 2 of 5 - 
 
 
 
 
Order No.  23171 
 
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.  
No such fuse provided. 
2.7.1  
Suitable CEC/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. 
Class III equipment. 
3.2  
Wiring methods (terminals, leads etc.) used for 
the connection of the equipment to the mains 
shall be in accordance with the CEC/NEC.  
Class III equipment. 
3.2.1  
Power supply cords are required to have 
attachment plugs rated not less than 125% of 
the rated current of the equipment.  
Class III equipment. 
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.  
Not permanently connected 
equipment. 
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 Tables 11 & 12 of the CEC, 
and Article 400 of the NEC.  
Class III equipment. 
3.2.9  
Permanently connected equipment is required 
to have a suitable wiring compartment and wire 
bending space.  
Class III equipment. 
3.3  
Wiring terminals and associated spacings for 
field wiring connections shall comply with 
CAN/CSA C22.2 No. 0.  
Class III equipment. 
3.3.3  
Wire binding screws are not permitted to attach 
conductors larger than 10 AWG (5.3mm
2
).  
Class III equipment. 
3.3.4  
Terminals for permanent wiring, including 
protective earthing terminals are required to be 
suitable for Canadian/U.S. wire gauge sizes, 
rated 125 percent of the equipment rating, and 
specially marked when specified (1.7.7).  
Class III equipment. 
3.4.2  
Motor control devices are required for cord-
connected equipment with a motor if the 
equipment is rated more than 12A, or if the 
motor has a nominal voltage rating greater 
than 120 V o r is rated more than 1/3hp (locked 
rotor current over 43 A).  
No such motors In the equipment. 
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.  
There is no such switch in the 
equipment. 
IEC 60950 3rd. Ed, 1999 
- Page 3 of 5 - 
 
 
 
 
Order No.  23171 
 
3.4.10 
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.  
No such battery in the equipment. 
4.3.12 
The maximum quantity of flammable liquid 
stored in equipment is required to comply with 
NFPA 30. 
No flammable liquids within the 
equipment. 
4.3.13 
Equipment with lasers is required to meet 
Code of Federal Regulations 21CFR 1040 
and/or Canadian Radiation Emitting Devices 
Act, REDR C1370, as applicable.  
LEDs are diffused type. 
4.7.1  
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. 
The equipment has no combustible 
area greater than 27 cubic feet. 
4.7.3.1 
For computer room applications, enclosures 
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. 
The equipment has no combustible 
material greater than 0.93m2 or 
single dimension greater than 1.8m. 
Annex H 
Equipment that produces ionizing radiation is 
required to comply with Code of Federal 
Regulations, 21 CFR 1020 and/or Canadian 
Radiation Emitting Devices Act, REDR C1370, 
as applicable. 
The equipment does not produce 
ionizing radiation. 
IEC 60950 3rd. Ed, 1999 
- Page 4 of 5 - 
 
 
 
 
Order No.  23171 
 
 
 
The following key national differences are based on requirements other than 
national regulatory requirements. The bi-national standard (CAN/CSA C22.2 No. 
60950/UL 60950, Third Edition) referenced above should be consulted for 
further details on the national differences summarized below. 
— 
1.5.2  
Components of equipment must be suitable for 
the application, and must comply with the 
requirements of the equipment standard and 
the applicable national (Canadian and/or U.S.) 
component or material standards, as far as 
they may apply.  
The acceptance will be based on the following: 
A) A component certified by a Canadian or 
U.S. NCB to a Canadian or U.S. component 
standard will be checked for correct application 
and use in accordance with its specified rating. 
Where necessary, it will also be subjected to 
the applicable tests of the equipment standard. 
B) A component, which has a CB Test 
Certificate for compliance with a relevant IEC 
component standard, will be checked for 
correct application and use in accordance with 
its specified ratings. Where necessary, it will 
also be subject to the applicable tests of the 
equipment standard, and to the applicable 
tests of the Canadian and/or U.S. component 
or material standard, under the conditions 
occurring in the equipment. 
C) A component which has no approval as in 
A) or B) above or which is used not in 
accordance with its specified ratings, will be 
subject to the applicable tests of the equipment 
standard, and to the applicable tests of the 
Canadian and/or U.S. component or material 
standard, under the conditions occurring in the 
equipment. 
D) Some components may require annual re -
testing, which may be carried out by the 
manufacturer, CSA International or another 
laboratory.  
All critical components are IEC 
certified. See list of critical 
components in main CB report 
(§1.5.01).  
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. 
No TNV circuitry. 
2.6.3.3 
When subject to impedance testing, protective 
earthing and bonding are required to be tested 
to the additional test conditions that originate in 
CAN/CSA C22.2 No. 0.4. 
Class III equipment. 
4.2.8.1 
Enclosures around CRT’s having a diagonal 
dimension of 160 mm or more are required to 
reduce the risk of injury due to the implosion of 
the CRT. 
No CRTs in the equipment. 
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