🔌 Cable Sizing Calculator
⚡ Electrical Parameters
Operating Current (A)
Operating Voltage (V)
12V
24V
48V
220V
Cable Length (ft)
One-way length, automatically multiplied by 2 in the calculation
Installation Method
Overhead
Underground
In conduit
🌡️ Environmental Parameters
Ambient Temperature (°F)
Installation Condition
Single cable
Multiple cables in parallel
📋 Technical Requirements
Allowable Voltage Drop (%)
3% (DC)
5% (AC)
Short-Circuit Current (A)
Short-Circuit Duration (s)
📊 Calculation Results
Calculate
Sizing by Ampacity
Temperature correction factor:
-
Installation correction factor:
-
Required ampacity:
-
A
Sizing by Voltage Drop
Allowable voltage drop:
-
V
Required conductor size:
-
Sizing by Thermal Stability
Minimum thermal stability size:
-
Recommended Result
Recommended cable size:
-
Actual voltage drop:
-
V
Actual voltage drop:
-
%
📋 Reference Standards
IEC 60364-5-52
Cable Sizing – LV
AS/NZS 3008.1
Cable ampacity
BS 7671
Wiring Regulations – UK
NEC 690
PV Systems – US
⚡
Electrical
🌡️
Environment
📋
Requirements
📊
Results