Keysight N5290/1A Service Guide 1-3Safety and Regulatory InformationGeneral Safety ConsiderationsGeneral Safety ConsiderationsSafety Earth GroundBefore Applying PowerThis is a Safety Class I product (provided with a protective earthingground incorporated in the power cord). The mains plug shall onlybe inserted in a socket outlet provided with a protective earthcontact. Any interruption of the protective conductor, inside oroutside of the instrument, will make the instrument dangerous.Intentional interruption is prohibited.The Mains wiring and connectors shall be compatible with theconnector used in the premise electrical system. Failure, to ensureadequate earth grounding by not using the correct componentsmay cause product damage, and serious injury.Always use the three-prong AC power cord supplied with this product.Failure to ensure adequate grounding by not using this cord may causeproduct damage.This product has been designed and tested in accordance withaccepted industry standards, and has been supplied in a safecondition. The documentation contains information and warningsthat must be followed by the user to ensure safe operation and tomaintain the product in a safe condition.If this product is not used as specified, the protection provided bythe equipment could be impaired. This product must be used in anormal condition (in which all means for protection are intact) only.If an instrument handle is damaged, you should replace itimmediately. Damaged handles can break while you are moving orlifting the instrument and cause personal injury or damage to theinstrument.Supply voltages which oscillate between the two normal inputranges of the autoranging line voltage input will damage the powersupply. In rare cases, this damage has become a user safetyconcern. If unstable power levels are expected, the analyzer inputpower must be buffered by a line conditioner.
