GE EST iO64 User Manual

Appendix B: Worksheets
EST iO64 and iO500 Technical Reference Manual 215
Notification appliance voltage drop calculation
worksheet
The notification appliance voltage drop calculation worksheet is
used to calculate the voltage drop of your NAC circuits over the
distance of the wire you are using.
NAC 1 voltage drop calculations
Circuit length
Total circuit
current [2]
Wire resistance per
1000 ft [1]
Voltage
drop
feet x amps x
Ω ÷ 1000 =
Panel
voltage
Voltage
drop
End of line
voltage [3]
Voltage
drop
Panel
voltage
Voltage
drop %
19.8 V – =
÷
19.8 V =
NAC 2 voltage drop calculations
Circuit length
Total circuit
current [2]
Wire resistance per
1000 ft [1]
Voltage
drop
feet x amps x
Ω ÷ 1000 =
Panel
voltage
Voltage
drop
End of line
voltage [3]
Voltage
drop
Panel
voltage
Voltage
drop %
19.8 V – =
÷
19.8 V =
NAC 3 voltage drop calculations
Circuit length
Total circuit
current [2]
Wire resistance per
1000 ft [1]
Voltage
drop
feet x amps x
Ω ÷ 1000 =
Panel
voltage
Voltage
drop
End of line
voltage [3]
Voltage
drop
Panel
voltage
Voltage
drop %
19.8 V – =
÷
19.8 V =
NAC 4 voltage drop calculations
Circuit length
Total circuit
current [2]
Wire resistance per
1000 ft [1]
Voltage
drop
feet x amps x
Ω ÷ 1000 =
Panel
voltage
Voltage
drop
End of line
voltage [3]
Voltage
drop
Panel
voltage
Voltage
drop %
19.8 V
– =
÷
19.8 V
=

GE EST iO64 Specifications

General

Brand	GE
Model	EST iO64
Category	Control Panel
Language	English