Planning your electrical jobs just got easier. Whether you’re determining wire size, conduit fill, voltage drop, or estimating labor costs, Southwire has the tools to help you get it right the first time.

The Southwire Building Wire Selector eliminates guesswork by:

✔ Calculating minimum conductor size based on NEC® standards​

✔ Providing the best wire & cable options for your installation conditions

✔ Offering part numbers and spec sheets to simplify ordering

✔ Reducing installation delays with on-the-spot calculations​

Just input voltage, amperage, wire length, and max voltage drop, and get NEC-compliant recommendations instantly!​

Southwire’s free online tools help contractors plan smarter, reduce costs, and streamline installation​.

Essential Job-Site Calculators:

1. Conduit Fill Calculator – Finds the correct conduit size per NEC®
2. Voltage Drop Calculator – Ensures proper wire sizing and voltage efficiency
3. Cable Pull Calculator – Prevents costly pulling tension and bend angle errors
4. Cable-in-Conduit Labor Savings Calculator – Estimates time and cost savings
5. VFD Cable Selector – Chooses the best VFD cable for motor applications
6. Power Conversion Calculator – Helps design power systems (EV, renewables, etc.)
7. Concentric Neutral Ratings Calculator – Reduces cost for MV cables
8. Configurator Plus™ Web App – Automates wire & cable planning
9. LED Lighting Savings Calculator – Calculates cost savings when switching to LED lighting​

📲 Try the Building Wire Selector and 9 Calculators Today!

👉 Please contact your local Brazill Brothers Representative for more information!​