Safety Symbols - Lakeshore 620 User Manual

Lake Shore Model 620/622/623/647 Magnet Power Supply User's Manual

SAFETY SYMBOLS

Direct current (power line).
Alternating current (power line).
Alternating or direct current (power line).
Three-phase alternating current (power line).
Earth (ground) terminal.
Protective conductor terminal.
Frame or chassis terminal.
On (supply)
Off (supply)
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Equipment protected throughout by
double insulation or reinforced
insulation (equivalent to Class II of
IEC 536 - see annex H).
Caution: High voltages; danger of
electric shock. Background color:
Yellow; Symbol and outline: Black.
Caution or Warning - See
instrument documentation.
Background color: Yellow; Symbol
and outline: Black.
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