Lakeshore Learning Materials 642 User Manual
Page 19
Lake Shore Model 642 Electromagnet Power Supply User’s Manual
Introduction
1-9
Safety Summary (Continued)
1.4 SAFETY
SYMBOLS
Number
Symbol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
None
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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