Engineering Technical Center

Welcome to Okonite's Engineering Technical Center.

Listed below are the most popular sections from Okonite's "Engineering Handbook." This is just the beginning of the most comprehensive source of cable information available online. Please check this section periodically as we will be adding new subjects and features. 

Your questions, suggestions and comments are always welcome. Look up the Okonite district office nearest you and Ask The Experts. 

Remember - Okonite also maintains the largest direct sales and service center network in the industry. 

Engineering Handbook

Technical News

General Conductor Information

• Conductor Stranding
• dc Resistance
• dc Resistance (2)
• ac/dc Ratios
• Physical & Mechanical Properties of Conductor Materials

• Electrical Formulas

• Voltage Regulation

• Conductor Currents
• Shielding Currents

• Shielding Discussion

• Discussion and Correction Factors
• Single Conductors - Underground Ducts
• Single Conductors - Underground Direct Burial
• Single Conductors - In Air
• Single or Triplexed Conductors - In Conduit
• Triplexed Conductors - Underground Ducts
• Triplexed Conductors - Underground Direct Burial
• Triplexed Conductors - In Air
• 3 Conductor - Underground Ducts
• 3 Conductor - Underground Direct Burial
• 3 Conductor - In Air
• 3 Conductor - In Conduit
• NEC 600 Volt Ampacity Tables

• Methods For Determining Conduit Sizes
• Minimum Cable Bending Radii

• High Voltage Proof Testing

• Jacket Materials Selection Chart