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ENCOUNTER (serv.man4)
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EMC - CB Certificate
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encounter-sm4.pdf
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JBL ENCOUNTER (serv.man4) EMC - CB Certificate ▷ View online

IEC 60950-1 1st. Ed, 2001 
- Page 2 of 5 - 
 
 
 
 
Order No.  27772 
 
 
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 rati ng 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.  
No such fuse. 
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. 
No standard supply outlets, 
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.  
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.  
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.  
Class III equipment. 
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.  
Class III equipment. 
N/A 
3.2.9  
Permanently connected equipment is required 
to have a suitable wiring compartment and wire 
bending space.  
Class III equipment. 
N/A 
3.3  
Wiring terminals and associated spacings for 
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
2
).  
Class III equipment. 
N/A 
IEC 60950-1 1st. Ed, 2001 
- Page 3 of 5 - 
 
 
 
 
Order No.  27772 
 
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).  
Class III equipment. 
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).  
No 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.  
Class III equipment. 
N/A 
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.  
No 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. 
No flammable liquids within the 
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).  
No laser in the equipment. 
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. 
The equipment has no 
combustible 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
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. 
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). 
The equipment does not produce 
ionizing radiation. 
N/A 
IEC 60950-1 1st. Ed, 2001 
- Page 4 of 5 - 
 
 
 
 
Order No.  27772 
 
 
 
The following key national differences are based on requirements other than 
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 requirement s.  
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 
certified. See list of critical 
components in main CB report  
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. 
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. 
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.  
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 specia l earthing, 
wiring, marking and installation instructions 
requirements  
Class III equipment. 
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. 
No CRTs in the equipment. 
N/A 
IEC 60950-1 1st. Ed, 2001 
- Page 5 of 5 - 
 
 
 
 
Order No.  27772 
 
 
4.3.2  
Equipment with handles is required to comply 
with special loading tests. 
The equipment has no handles. 
N/A 
5.1.8.3 
Equipment intended to receive 
telecommunication ringing signals is required 
to comply with a special touch current 
measurement tests. 
No TNV circuitry. 
N/A 
6.2.1  
Enamel coating on winding wire not 
considered electrical separation unless 
subjected to special investigation. 
No TNV circuitry. 
N/A 
6.4  
Equipment intended for connection to 
telecommunication network outside p lant cable 
is required to be protected against overvoltage 
from power line crosses in accordance with 6.4 
and Annex NAC. 
No TNV circuitry. 
N/A 
6.5  
Equipment connected to a telecommunications 
network and supplied with an earphone 
intended to be held against, or in the ear is 
required to comply with special acoustic 
pressure tests. 
No TNV circuitry. 
N/A 
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