Power Cables - HP 8642A Operation And Calibration Manual

Model 864 2A/B Installation
Operating voltage is shown
in module window.
Selection 01 Operating Voltage
1. Open cover door, pull the FUSE PULL lever and rotate to left. Remove the fuse.
2. Remove the Line Voltage Selection Card. Position the card so the line voltage appears at top-left
corner. Push the card firmly into the slot.
3. Rotate the FUSE
PULL
lever to its normal position. Insert a fuse of the correct value in the holder.
Close the cover door.
Figure 2-1. Line Voltage and Fuse Selection
Power Ca bles
I
WARNINGI
BEFORE CONNECTING THIS INSTRUMENT. the protective earth
terminal of the instrument must be connected to the protectIve call ductal'
of the (maills) power cord The maillS plug shall oilly be inserted in a
socket outlet provided with a protective earth contact The protective
[((Iio/l must
//0/
be negated by the use oj
all
extension cord (power cable)
without a protective conductor (groullding). Grounding one cOl!ductor oj
a two conductor outlet
is
not sufficient protectio/!.
This Instrument is equipped with a three-wire power cable. When connected to an appropriate
at.:.
PI..' .cr
Ict..:cptac!e,
this
cable grounds the instrument cahinet The type
of
power cable plug
shipped WIth each instnllllcnl
depends
OIl the coulltry of destin,dloll. Refer t,) Table 2-\ 011
page
2-4 for the part numbers 01 the power cables and l\fains plUgs
'I
·"ilable.
2-3