Overview................................................................................................................... 216
Power-limited Modules and Circuits ..................................................................... 216
UL Power-limited Wiring Requirements .................................................................. 217
Power Supply Wiring ................................................................................................ 218
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Overview................................................................................................................... 219
Calculating AC Branch Circuit Current............................................................... 219
Calculating the System Current Draws................................................................. 219
How to Use the Calculating Tables........................................................................... 220
Calculation for Main Supply Current ...................................................................... 221
Calculation for SLC #1 Loop Current ....................................................................... 222
Calculation for SLC #2 Loop Current ....................................................................... 223
Calculating the Maximum Secondary Power Fire Alarm Current Draw .................. 225
Calculating the Battery Requirements .................................................................. 226
Calculating the Battery Capacity............................................................................... 226
Calculating the Battery Size ...................................................................................... 227
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10 AFC-600 Installation PN 51031:B 03/28/2001
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