Electrical Wire Color Codes - Cisco ASR 5000 Application Detection and Control Administration Guide Hardware Installation Manual

Chapter 5 Connecting the Router to Power
Table 5-1
Item Terminal Type
1
2

Electrical Wire Color Codes

This section provides general information about the standard wire coloring used for AC and DC power
connections. Use these colors as a guide when wiring the terminal block as part of the AC power and DC
power connection procedure.
Caution You should verify power wire color information for your installation site with a qualified electrician
before making any power connections to the router.
Table 5-2
Region or Country
European Union
United States
Canada
OL-26438-02
Power Input Terminals
AC-Input Power Source Terminals
N
L3
L2
L1
DC-Input Power Source Terminals
–
+
AC Power Electrical Wiring Colors by Region
Standard
IEC 60446
–
–
Description
Ground terminal
To provide a protected earth
ground, terminate either a
green/yellow or green wire
(region-specific) from the AC
power cable on the external screw
on the left side of the router.
See Table 5-2 for details on wiring
colors by region
Neutral wire terminal
Line terminal
Line terminal
Line terminal
Negative
Positive
Ground
(Protective Earth) Neutral Line (Phases)
Green-and-yellow Blue
Green White
Green White
Cisco 1120 Connected Grid Router Hardware Installation Guide
AC Power Connection Information
Black, brown, gray
120/208/240V: Black, red, blue
277/480V: Brown, orange, yellow
120/208/240V: Red, black
Single-phase isolated systems:
orange, brown
Three-phase isolated systems:
orange, brown, yellow
5-5