STO 6AWG 4C Bulk Wire

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Buy Online for any length less than one 24 inch spool by clicking on the button shown above.

For quantities greater than one 24 inch spool, call toll free 1-888-788-4884 or email for volume pricing quote. Please include: Contact Information, Part Number, Quantity, and any other comments.


STO (Service, Thermoplastic, Oil resistance) 6AWG 4 conductor bulk power cord wire for use in the USA and Canada in applications requiring a maximum of 45A 600V for 3 current carrying conductors or 55A 600V for 2 current carrying conductors.  STO flexible and portable cable uses a tough PVC compound to provide the best of durability, flexibility and resistance to oil.  

This 6 gauge 4 conductor STO style flexible portable cordage is sold by the foot on 36" or 24" wooden spools. 

Link to details specifications:  STO 6X4C 105C.pdf

Note:  SPDS extrudes all our own wire in house and can offer the absolute best pricing.  Our master distributor stocks this product and can ship immediately for quantities up to 200 feet or so.  For high volume offshore build orders, we require 6 - 8 weeks lead time.


Wire Standard STO
Number of Conductors 4
Conductors Size 6AWG
Conductors Construction 262 strands of 0.254mm² wire
Conductors Material Stranded and Annealed bare Copper
Conductors Insulation Material PVC
Wire Color Code NACC (black, white, red, green)
Overall Outer Diameter 27.2mm
Jacket Material PVC
Maximum Voltage 600V
Maximum Ampacity (under 50' long) 45A or 55A depends on # of current carrying conductors
Agency Approvals cUL, CSA
36 inch Spool Maximum Quantity 984 feet
24 inch Spool Maximum Quantity 245 feet

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