Bonding Jumper Calculator
Calculate bonding jumper sizes, materials, and requirements for electrical systems. Ensure NEC code compliance, proper grounding, and electrical safety with our comprehensive calculator.
Step 1: System Specifications
100
NEC Code Requirements
Bonding jumper sizing based on NEC Table 250.66. For services over 1100 kcmil, bonding jumper must be at least 12.5% of the area of the largest service conductor.
Step 2: Jumper Specifications
22 kA
Bonding Jumper Purpose
Bonding jumpers ensure electrical continuity and capacity to safely conduct any fault current likely to be imposed. They connect metallic parts to the grounding electrode system.
Bonding Jumper Calculation Results
Summary
Diagram Visualization
Material Comparison
Required Bonding Jumper Size
#2 AWG
Copper for 200A service
Minimum Size (NEC)
#4 AWG
Calculated Size
#2 AWG
Voltage Drop
1.2%
Safety Factor
125%
Bonding System Diagram
Impedance
0.08 Ω
Fault Withstand
42 kA
Temperature Rise
30°C
Code Compliance
NEC 250.102
Material Comparison Table
| Material | Min Size (AWG) | Cost/ft | Conductivity | Corrosion Resistance |
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