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INSTALLATION INSTRUCTIONS
These steps will let you install and make the most basic operational checks. These
steps constitute the minimum safety checks that must be made whenever a
331 4A is
installed.
with a protective earth terminal).
The 3314A should never be connected to an AC power
source without a protective earth terminal. The chassis and
all exposed shields are connected to the earth terminal and
"ttoetinq" or otherwise defeating this safety feature may
subject the operator to lethal voltages.
1. Check the 3314A for physical damage. Under no circumstances should a damaged
3314A be connected to power! Refer to the installation section of the 3314A Ser-
vice Manual.
The integrity of the protective earth ground may be inter-
rupted on a 3314A that is damaged.
cumstances should a damaged 3314A be connected to its
AC power source.
2.
Check the line voltage selector on the rear panel. The selector setting should be
compatible with the RMS voltage of your AC power source. The 3314A can operate
from AC power sources with voltage
value
.
Connecting a 3314A to an AC power source with the in-
correct voltage selected will destroy the primary fuse.
Note that the 3314A is a
I
WARNING
I
WARNING
Safety.
Class 1 instrument (provided
Under no cir-
+
deviations
from
5% to - 10% of the selected
3
.
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