6 Keysight E4416A/E4417A Power Meters Service Guide
Personal Safety Considerations
This is a Safety Class I product (provided with a protective earthing ground
incorporated in the power cord). The mains plug shall only be inserted in a socket
outlet provided with a protective earth contact. Any interruption of the protective
conductor, inside or outside the instrument, is likely to make the instrument
dangerous. Intentional interruption is prohibited
General Safety Considerations
If this instrument is not used as specified, the protection provided by the
equipment could be impaired. This instrument must be used in a normal
condition (in which all means of protection are intact) only.
No operator serviceable parts inside. Refer servicing to qualified personnel.
To prevent electrical shock, do not remove covers.
For continued protection against fire hazard, replace the line fuse(s) only
with fuses of the same type and rating (for example, normal blow, time delay,
etc.). The use of other fuses or material is prohibited.
Before this instrument is switched on, make sure it has been properly
grounded through the protective conductor of the ac power cable to a
socket outlet provided with protective earth contact.
Any interruption of the protective (grounding) conductor, inside or outside
the instrument, or disconnection of the protective earth terminal can result
in personal injury.
Any adjustments or service procedures that require operation of the
instrument with protective covers removed should be performed only by
trained service personnel.
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