87 V/AN
Service Manual
4
Electrical Symbols
Electrical symbols used on the Meter and in this manual are explained in Table 1.
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
T
Double insulated
R
Continuity test or continuity beeper tone.
E
Capacitance
t
Underwriters Laboratories
G
Diode
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.
s
Inspected and licensed by TÜV Product Services.