8808A 
Calibration Manual 
1-4 
Symbols 
Table 1-1 lists safety and electrical symbols that appear on the Meter or in this manual. 
Table 1-1. Safety and Electrical Symbols 
Symbol Description Symbol Description 
W 
Risk of danger. Important 
information. See manual.  
P  Standby power ON / OFF 
X 
Hazardous voltage. Voltage > 30 V 
dc or ac peak might be present.  
J  Earth ground 
B  AC (Alternating Current)  E  Capacitance 
F  DC (Direct Current)  G  Diode 
D 
or 
C 
AC or DC (Alternating or Direct 
Current) 
I  Fuse 
R 
Continuity test or continuity beeper 
tone 
Y 
Digital signal 
Y  Potentially hazardous voltage  U  Maintenance or Service 
T  Double insulated  <  Recycle 
h 
Static awareness. Static discharge 
can damage parts. 
~ 
Do not dispose of this product as 
unsorted municipal waste. Go to 
Fluke’s website for recycling 
information.  
CAT II 
Measurement Category II is for 
measurements performed on 
circuits directly connected to the 
low voltage installation. 
CAT I 
Measurement Category I is for 
measurements not directly 
connected to mains. 
General Safety Summary 
This instrument has been designed and tested in accordance with the European standard 
publication EN61010-1: 2001 and U.S. / Canadian standard publications UL 61010-
1:2004and CAN/CSA-C22.2 No.61010.1:2004. The Meter has been supplied in a safe 
condition. 
This manual contains information and warnings that must be observed to keep the 
instrument in a safe condition and ensure safe operation. 
To use the Meter correctly and safely, read and follow the precautions below and follow 
all the safety instructions or warnings given throughout this manual that relate to specific 
measurement functions. In addition, follow all generally accepted safety practices and 
procedures required when working with and around electricity. 
XW Warning 
To avoid possible electric shock, personal injury, or death, read 
the following before using the Meter: 
•  Use the Meter only as specified in this manual, or the 
protection provided by the Meter might be impaired. 
•  Do not use the Meter in damp or wet environments.