Chapter 1
Using the Mainframe
© National Instruments Corporation
1-9
Power Cords
Table 1-2 shows the power cord rating requirements.
Note
AC mains power supply cords used with the VXI-1501 must meet the requirements
of ANSI/UL817 for use in the United States, CSA C22.2 21 and 49 for use in Canada, and
IEC 227 or 245 for use in the European Union. AC mains power supply cords used with
the VXI-1501 in other countries must be approved by the authority having jurisdiction in
that country. Power cords with high power ratings are available from National Instruments.
Make certain that any replacement cord can handle the indicated loads.
Warning
For protection from electric shock hazard, power cord ground must not be
defeated. The front power switch on this instrument does not disconnect all power from
internal circuits. In case of emergency, the operator may need to disconnect the power to
this mainframe. Do not block the operator’s access to the power cord, or (if installed in a
rack) to the circuit breaker that supplies power to the mainframe.
If a remote standby switch is connected to the mainframe by way of the rear panel 25-pin
Sub-D connector, the operator may not be able to turn off this unit by using the front panel
switch. Notify the operator of the location of the disconnect device (either the power cord
or a circuit breaker) for this mainframe.
Table 1-2. Rating Requirements for Power Cords
Country
Volts
Rated Amps
U.K.
250 VAC
10 A
Australia
250 VAC
10 A
Europe
250 VAC
10 A
U.S./Canada*
125 VAC
13 A
Switzerland
250 VAC
10 A
Denmark
250 VAC
10 A
Japan
125 VAC
15 A
* CSA Certification includes only this power cord.
