4/3 Bus Drop Cable — 600V, Bare Copper, UL Listed

"Designed for overhead branch circuit drops from busways to stationary or portable industrial machinery, 4/3 Bus Drop Cable 600V provides flexible, durable
power distribution in demanding manufacturing environments. Built with Class C stranded annealed bare copper conductors and three bare copper ground wires, this cable is enclosed in a rugged gray PVC jacket rated for 60°C oil resistance and outdoor use. It features 90°C wet/dry rated PVC insulation and passes the UL VW-1 flame test, making it ideal for machine tools, industrial control systems, and branch circuit connections."

Key Features & Benefits: 4/3 Bus Drop Cable 600V

• Class C Stranded Bare Copper: Built with 19 strands of 4 AWG annealed bare copper for reliable flexibility and vibration resistance in overhead drops.

• Symmetrical 3-Ground Construction: Includes three 12 AWG bare copper ground wires cabled symmetrically alongside the circuit conductors to ensure balanced grounding protection.

• Oil & Weather Resistant Gray PVC Jacket: Tough gray PVC outer jacket rated for 60°C oil exposure and approved for outdoor use.

• 90°C Rated PVC Insulation: Polyvinylchloride (PVC) insulation rated for continuous operation at 90°C in wet or dry locations.

• Industrial Code Compliance: UL 509 Listed as Bus Drop Cable and approved for use in Class I, Division 2 hazardous locations.

• Cut-to-Length Flexibility: Available cut by the foot to match exact overhead drop heights and eliminate job-site waste.

Technical Specs: 4/3 Bus Drop Cable 600V 

• Conductor Size: 4 AWG

• Number of Conductors: 3 Conductors + 3 Bare Copper Grounds (12 AWG)

• Conductor Stranding: 19 Strands (Class C Bare Copper)

• Conductor Color Code: Black, White, Red

• Insulation Material: Polyvinylchloride (PVC), rated 90°C Wet or Dry

• Insulation Thickness: 0.060 inches (1.52 mm)

• Jacket Material: Gray Polyvinylchloride (PVC), rated 60°C Oil Resistant

• Jacket Thickness: 0.080 inches (2.03 mm)

• Overall Diameter: 0.960 inches (24.38 mm)

• Approximate Net Weight: 792 lbs per 1,000 ft

• Voltage Rating: 600V

• Flame Rating: Individual conductors pass the UL VW-1 Flame Test

• Compliance Standards: UL Standard 509 (Bus Drop Cable), UL Listed Outdoor, Class I Div 2 Hazardous Locations, ICEA S-73-532, RoHS & REACH Compliant

Common 4/3 Bus Drop Cable 600V Applications

• Overhead Machine Feeder Drops: Connecting overhead busways to high-capacity industrial machine tools, metalworking equipment, and heavy stamping presses.

• Industrial Facility Power Branching: Providing flexible 600V power drops in manufacturing plants, automotive assembly facilities, and machine shops.

• Class I Division 2 Hazardous Locations: Safe power distribution in designated industrial environments where flammable gases or vapors may occasionally be present.

All values are nominal and subject to correction.

General Shipping Information

In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.

You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.

Expedited Shipping

Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).

Returns

You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.

Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.

Orders on any items with a material value of $50 or less are non-returnable.