Safety Considerations; Safety Earth Ground; Before Applying Power - Keysight 778D Operating And Service Manual

Safety Considerations

Read the information below before using this product.
The following general safety precautions must be observed during all phases of operation, service,
and repair of this product. Failure to comply with these precautions or with specific warnings
elsewhere in this manual violates safety standards for design, manufacture, and intended use of
the product. Keysight Technologies assumes no liability for the customer's failure to comply with
these requirements.

Safety earth ground

This is a Safety Class I product (provided with a protective earthing terminal). An uninterruptible
safety earth ground must be provided from the main power source to the product input wiring
terminals, power cord, or supplied power cord set. Whenever it is likely that the protection has
been impaired, the product must be made inoperative and secured against any unintended
operation.

Before applying power

Verify that the product is configured to match the available main power source as described in the
input power configuration instructions in this manual. If this product is to be powered by
autotransformer, make sure the common terminal is connected to the neutral (grounded) side of
the ac power supply.
4 Keysight 778D Operating and Service Manual