Fluke 87V Getting Started Guide - Page 9

CAT III, Table 1. Electrical Symbols - service manual

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Multimeters Safety Information B AC (Alternating Current) Table 1. Electrical Symbols J Earth ground F DC (Direct Current) I Fuse X Hazardous voltage P Conforms to European Union directives. W Risk of Danger. Important information. See Manual. $ Conforms to relevant Canadian Standards Association directives. M Battery. Low battery when displayed. T Double insulated R Continuity test or continuity beeper tone. E Capacitance CAT III t IEC Overvoltage Category III CAT III equipment is designed to protect against transients in equipment in fixed-equipment installations, such as distribution panels, feeders and short branch circuits, and lighting systems in large buildings. Underwriters Laboratories CAT IV IEC Overvoltage Category IV CAT IV equipment is designed to protect against transients from the primary supply level, such as an electricity meter or an overhead or underground utility service. G Diode s Inspected and licensed by TÜV Product Services. 3

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Multimeters
Safety Information
3
Table 1. Electrical Symbols
B
AC (Alternating Current)
J
Earth ground
F
DC (Direct Current)
I
Fuse
X
Hazardous voltage
P
Conforms to European Union directives.
W
Risk of Danger.
Important information. See Manual.
$
Conforms to relevant Canadian Standards Association directives.
M
Battery. Low battery when displayed.
T
Double insulated
R
Continuity test or continuity beeper tone.
E
Capacitance
CAT III
IEC Overvoltage Category III
CAT III equipment is designed to protect against
transients in equipment in fixed-equipment
installations, such as distribution panels, feeders
and short branch circuits, and lighting systems in
large buildings.
CAT
IV
IEC Overvoltage Category IV
CAT IV equipment is designed to protect against transients from the
primary supply level, such as an electricity meter or an overhead or
underground utility service.
t
Underwriters Laboratories
G
Diode
s
Inspected and licensed by TÜV Product Services.