HP 8167A, User Manual, Page: 133 / 262

A
W arning
T o avoid the possibility of injury or death, you must
observe the following precautions before switching on the
instrument.
If this instrument is to be energized via an
autotransformer for voltage reduction, ensure that the
Common terminal connects to the earthed pole of the
power source .
Insert the power cable plug only into a socket outlet
provided with a protective earth contact. Do not negate
this protective action by the using an extension cord
without a protective conductor .
Before switching on the instrument, the protective
earth terminal of the instrument must be connected to a
protective conductor . Y ou can do this by using the power
cord supplied with the instrument.
Do not interrupt the protective earth connection.
The following work should be carried out by a qualied electrician. All local
electrical codes must be strictly observed. If the plug on the cable does not t
the power outlet, or if the cable is to be attached to a terminal block, cut the
cable at the plug end and rewire it.
The color coding used in the cable depends on the cable supplied. If you are
connecting a new plug, it should meet the local safety requirements and include
the following features:
A dequate load-carrying capacity (see table of specications).
Ground connection.
Cable clamp .
The A C power requirements are summarized on the rear panel of the
instrument.
Installation A-3