Wire & Cable Technical Resources

Free reference charts, sizing calculators, and selection guides from the wire and cable experts. Bookmark this page — these are the tools electricians, engineers, and purchasing teams use every day.

DLO Cable Ampacity Chart

Allowable ampacity for DLO (Diesel Locomotive) cable from 14 AWG to 1111 MCM, with stranding and application guidance. The reference chart for 2kV DLO power cable.

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Welding Cable Ampacity Chart

Pick the right welding cable gauge for your amperage and lead length. Covers 100–600 amps and lead lengths from 50 to 350 feet.

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Wire Size & Voltage Drop Calculator

Enter your voltage, amps, and run distance — get the minimum copper or aluminum wire gauge that keeps voltage drop in spec and carries the load safely.

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AWG Wire Gauge Chart

Diameter, circular mils, DC resistance, and copper ampacity for every AWG size from 18 AWG through 1000 MCM. The complete American Wire Gauge reference.

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More Guides on Our Blog

Looking for product comparisons and selection guides? Our Wire & Cable Blog covers topics like UL1015 vs UL1007, THHN vs XHHW-2, metric to AWG conversion, and wire weight charts.

Need Wire or Cable? We Stock It.

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Manufacturers We Represent

ADC
Alpha
Amphenol
Atlas
Belden
Cambridge
Carol
Commodity Cable
Dekoron
Direct Wire
Eaton B Line
Eaton Crouse Hinds
Exane
Genesis
Helukabel
Hubbell
Husky
ICC Cable Corp
KALAS
KrisTech
Lapp Tannehill
Marmon
Okonite
Quabbin
Radix
Republic Wire
Sab
Sequel
Service Wire
Southwire
Specialty Cable Corp
Techflex
Tele Fonika
UWC