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Lake Shore Model 642 Electromagnet Power Supply User’s Manual
Introduction 1-9
Safety Summary (Continued)
1.4 SAFETY SYMBOLS
Number
Symbol
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Publication Description
IEC 417, No. 5031 Direct current
IEC 417, NO. 5032
IEC 417, No. 5033 Both direct and alternating current
IEC 617-2, No. 02-02-06 Three-phase alternating current
IEC 417, No. 5017 Earth (ground) TERMINAL
IEC 417, No. 5019 PROTECTIVE CONDUCTOR TERMINAL
IEC 417, No. 5020 Frame or chassis ground
IEC 417, No. 5021 Equipotentiality
IEC 417, No. 5007 On (supply)
IEC 417, No. 5008 Off (supply)
IEC 417, No. 5172 DOUBLE INSULATION OR REINFORCED
Bcakground color-yellow Caution, risk of electric shock
Background color-yellow Caution, hot surface
Background color-yellow Caution (refer to accompanying documents)
IEC 417, No. 5268-a In-position of bistable push control
IEC 417, No. 5269-a Out-position of bistable push control
IEC 1010-1 Fuse
Alternating current
Equipment protected by
INSULATION
ISO 3864, No. B.3.6
IEC 417, No. 5041
ISO 3864, No. B.3.1
Symbol and outline-black
Symbol and outline-black
Symbol and outline-black
3
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