EOL Resistor
EOL Resistor
End-of-line resistor reference by manufacturer
Manufacturer
End-of-line (EOL) resistors supervise fire alarm circuit integrity. Most manufacturers use standard 4.7kΩ resistors, but always verify with equipment specifications.
Results
IDC/SLC Resistor Value4700Ω
NAC Resistor Value4700Ω
Wiring MethodSeries at end of line
Color Code Reference
Yellow
Purple
Red
Gold
4.7kΩ ±5% (most common)