HP 83447A User's And Service Manual page 60

W A R N I N G
W A R N I N G
Servicing the HP 83447A
Troubleshooting
The opening of covers or removal of parts is likely to expose dangerous
voltages. Disconnect the instrument from all voltage sources while it is
being opened.
The power cord is connected to internal capacitors that may remain live
for ve seconds after disconnecting the plug from its power supply.