Voltage Drop Calculator

Calculate voltage losses and wire sizing requirements for smart lock installations. Ensure optimal power delivery and system performance.

Voltage Drop Calculator

Enter your electrical specifications to calculate voltage drop and wire requirements

Power Supply Specifications

V DC
Common: 12V, 24V
A
smart lock typical: 0.5A - 3A
cos φ
DC systems: 1.0, AC systems: 0.8-0.95

Cable Specifications

feet

Environmental Conditions

°C
Affects conductor resistance

Performance Requirements

%
NEC recommends ≤3% for branch circuits

Voltage Drop Analysis

Enter electrical specifications to see voltage drop analysis

Wire Recommendations

Wire sizing recommendations will appear after calculation

Accurate Calculations

Calculate precise voltage drops using industry-standard formulas and conductor resistance values for optimal system performance.

Wire Sizing

Get proper wire gauge recommendations based on current load, distance, and acceptable voltage drop limits.

Code Compliance

Ensure installations meet NEC requirements and industry best practices for electrical safety and performance.