Hitachi CHROMASTER 5160 Instruction Manual page 991

Electric shock due to improper grounding!
This instrument is designed in corformity with the
specifications of Class I in Annex H of the IEC 61010-1
(International Electrotechnical Commission Standards),
Issue 1.
To prevent an electric shock hazard, provide a proper
grounding connection.
(a) Be sure to use the grounded 3P power cable, which
is supplied as a standard accessory for the
instrument. The use of a different type of power
cable may result in an electric shock hazard.
Connect the 3P power cable to a grounded 3P power
outlet as a rule.
(b) If a grounded 3P power outlet is not available, use a
3P table tap with a grounding wire or a 3P-2P
adapter. In this case, please be sure to provide
proper grounding connection. For grounding
connection, use a screw having a diameter of M4 or
larger and a turn count of 3 or more in threading, and
a wire having a thickness of 1.25 mm.
(2) Grounding Terminal
Shall have a Class D grounding construction for a ground
resistance of 100 Ω or less.
(a) For the Instrument Not Provided with Thermostat
APPENDIX 1 - 5
WARNING