User's Manual

Calculating Maximum Wiring Lengths
apC/8X Technical Manual C-9
Table C.3: Wiring Length Worksheet for 18 AWG - Multiply Across and Add Total Voltage Drop Column
Reader
#
Current
(amps
drawn)
Wire resistance
per foot
(18 AWG)
Wire length from apC/8X
or previous reader
Total voltage drop for this reader
H 0 .00879 ____________= ____________
G 0 .00879 ____________= ____________
F 0 .00879 ____________ = ____________
E 0 .00879 ____________ = ____________
D 0 .00879 ____________ = ____________
C 0 .00879 ____________ = ____________
B 0 .00879 ____________ = ____________
A 0 .00879 ___________ = ____________
Note: A is closest reader to apC/8X Total Voltage Drop