Appendix B: Worksheets
P/N 3102352-EN • REV 005 • ISS 28DEC18 195
[1] Use the manufacturer’s published wire resistance expressed in ohms per foot. For typical values, see
Table 48 on page 191.
[2] Use the Maximum operating current at worst-case VFWR from the installation or catalog sheet of each
device.
[3] For UL regulated notification appliances, this voltage must not drop below 16 VFWR. For other devices, get
the minimum operating VFWR from the installation or catalog sheet.
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