🚨 NFPA 72 Strobe Candela cd, 24VDC NAC Voltage Drop & 14-AWG Copper FPLR

NFPA 72 Fire Alarm NAC Voltage Drop Calculator

Calculate Notification Appliance Circuit (NAC) voltage drops under NFPA 72: calculate horn/strobe candela ratings (15cd, 30cd, 75cd, 110cd), total circuit current (Amps at 16.0V minimum end-of-line), 14/12-AWG solid copper FPLR wire length, and life safety bidding.

1. Project & Operating Inputs

Total Strobe & Horn Appliances on Circuit (Devices)

Total One-Way Circuit Run Length (Feet e.g. 450 ft)

Customer Bid Price for Turnkey NAC Branch ($)

Strobes, 14-AWG FPLR Wire, Power Supply & Labor ($)

2. Financial Breakdown & Yield

NFPA 72 NAC VOLTAGE DROP

Turnkey Job Gross Profit

Fire Alarm Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost