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Wire & Cable

Professional wire sizing and cable calculators for NEC-compliant electrical installations. Calculate conductor ampacity, conduit fill, voltage drop, and wire sizing with industry-standard accuracy for safe and efficient electrical system design.

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Featured Wire & Cable Calculators

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wire size

Determine proper wire size based on ampacity and voltage drop requirements

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FEATURED

ampacity calculator

Calculate conductor current capacity with NEC correction factors

⭐4.9
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FEATURED

conduit fill

Professional conduit fill for electrical engineering applications

⭐4.9
πŸ†Top Rated
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All Wire & Cable Calculators

wire size

Determine proper wire size based on ampacity and voltage drop requirements

⭐4.8
πŸ“ˆProfessional Tool
Calculate β†’

ampacity calculator

Calculate conductor current capacity with NEC correction factors

⭐4.8
πŸ“ˆProfessional Tool
Calculate β†’

conduit fill

Professional conduit fill for electrical engineering applications

⭐4.8
πŸ“ˆProfessional Tool
Calculate β†’

cable ampacity

Professional cable ampacity for electrical engineering applications

⭐4.8
πŸ“ˆProfessional Tool
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wire gauge converter

Professional wire gauge converter for electrical engineering applications

⭐4.8
πŸ“ˆProfessional Tool
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About Wire & Cable

Wire and cable sizing is critical for electrical safety and system performance. Our comprehensive calculator collection covers NEC-compliant wire sizing, ampacity calculations with derating factors, conduit fill analysis, and conductor selection. These tools are essential for electrical contractors, engineers, and designers working on power distribution, branch circuits, and electrical installations. All calculations include temperature correction, bundling factors, and voltage drop considerations for professional accuracy.

Key Applications

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Electrical installation design

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NEC code compliance

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Conductor selection and sizing

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Conduit and raceway design

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Electrical safety analysis

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Cost optimization

Why Use Wire & Cable Calculators?

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Professional Accuracy

Industry-standard calculations with NEC compliance

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Free & Accessible

No registration required, instant results

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Time Saving

Instant calculations with detailed explanations

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