1.
2.
units installed inside the UX chassis, see
Power Connections and Wiring
Provide AC power of nominal 120V/60Hz or 240V/50Hz for the equipment rack or shelf where the UX system is installed. For each line feed supplied to
the rack or shelf, a dedicated primary branch circuit protection is required.
UX Series equipment must be provided with dedicated branch circuit protection as a means of disconnecting the (electric) main to
ensure the proper operation of and the safety of the persons servicing and operating this equipment. Therefore, the customer must
provide an external circuit breaker that conforms to local electrical codes.
Power connections to UX Series equipment must be provided from branch mains installed by a trained service personnel. For minimum wire
requirements, see the tables below.
United States and Canada
Requirements
Minimum Wire Size
14 AWG
Minimum Voltage Rating
300 V
Insulation
PVC
Conductor
Stranded
Europe
Requirements
Minimum Wire Size
1.63 mm
Minimum Voltage Rating
300 V
Insulation
PVC
Conductor
Stranded
Use only the AC power cord(s) supplied with the UX system.
After the IEC power cord is plugged into the power supply module, secure by engaging the retaining clip over the power cord grip.
Restricted Access Location Requirements
UX Series equipment must be installed in restricted access areas such as dedicated equipment room, or electrical closet, in accordance with Articles
110-26 and 110-27 of the 1999 United States National Electrical Code ANSI/NFPA 70.
A
is a location for equipment where both of the following apply:
RESTRICTED ACCESS LOCATION
Access can only be gained by service persons or by users who have been instructed about the reasons for the restrictions applied to the location
and about any precautions that shall be taken; and
Access is through the use of a tool or lock and key, or other means of security, and is controlled by the authority responsible for the location.
System Grounding Requirements
This section describes the grounding requirements for UX systems.
