Safety Symbols - Keysight Technologies EL30000 Series User Manual

Safety Symbols

Symbol Description
Caution, risk of danger (refer to the manual for specific Warning or Caution information)
Caution, risk of electric shock
Protective earth (ground) terminal.
Earth ground
Frame or chassis (ground) terminal.
Standby supply. The instrument is not completely disconnected from AC mains when switch is off.
Alternating current (AC).
Plus, positive polarity.
Minus, negative polarity.
A WARNING sign denotes a hazard. It calls attention to a procedure, practice, or the like, which, if not correctly performed
or adhered to, could result in personal injury or death. Do not proceed beyond a WARNING sign until the indicated
conditions are fully understood and met.
A CAUTION sign denotes a hazard. It calls attention to an operating procedure, or the like, which, if not correctly performed
or adhered to, could result in damage to or destruction of part or all of the product. Do not proceed beyond CAUTION sign
until the indicated conditions are fully understood and met.
A NOTE sign denotes important information. It calls attention to a procedure, practice, condition or the like, which is
essential to highlight.
12 Keysight EL30000 Series User's Guide