Welch Allyn 1500 Patient Monitor v.1.4.X - User Manual - Manual (Page 47)

Directions for use Monitoring and Measurements 43
Electrode identification and color code IEC/AHA
The electrode placements shown in this manual are labelled with the colors according to
IEC requirements. The equivalent AHA colors are given below.
IEC (Europe) AHA (U.S.)
System Electrode
identifier Color Electrode
identifier Color
Limb R Red RA (right arm) White
L Yellow LA (left arm) Black
F Green LL (left leg) Red
Chest C1 White/Red V1 Brown/Red
C2 White/Yellow V2 Brown/Yellow
C3 White/Green V3 Brown/Green
C4 White/Brown V4 Brown/Blue
C5 White/Black V5 Brown/Orange
C6 White/Violet V6 Brown/Violet
Neutral N Black RL (right leg) Green