Cheapest by length
| Length | Amazon, per roll | eBay, per roll |
|---|---|---|
| 15 ft | $25.99 | — |
| 25 ft | $16.99 | — |
| 50 ft | $29.99 | — |
| 100 ft | $49.99 | $37.50 |
| 500 ft | $190 | $101 |
Length is rounded to the nearest standard size. Per-roll price = listing price ÷ rolls in the pack (eBay includes shipping).
All 38 listings, cheapest per ft first
| Item | Size | Price | Per ft | ||
|---|---|---|---|---|---|
 | 500 ft. #12 Brown Stranded 12 AWG 12 Gauge CU THHN Wire 500 ft | 500 ft | $124 | $0.25 | eBay → |
 | 400 ft. #12 Stranded 12 AWG 12 Gauge CU THHN Green 400 ft | 400 ft | $101 | $0.25 | eBay → |
 | SOUTHWIRE 11589901 Building Wire,12AWG,THHN,Sld,Red,500ft 4W194 500 ft | 500 ft | $130 | $0.26 | eBay → |
 | Southwire 12 AWG Solid THHN Yellow 500 ft Copper Building Wire New Sealed 500 ft | 500 ft | $134 | $0.27 | eBay → |
 | 500 ft. #12 Blue Stranded 12 AWG 12 Gauge CU THHN Wire 500 ft | 500 ft | $135 | $0.27 | eBay → |
 | 12 AWG Copper Stranded Wire 500' FT Roll THHN/THWN 600 Volt UL Listed - Black 500 ft | 500 ft | $140 | $0.28 | eBay → |
 | 12 AWG Copper Stranded Wire 500' FT Roll THHN/THWN 600 Volt UL Listed - Red 500 ft | 500 ft | $140 | $0.28 | eBay → |
 | 12 AWG Copper Stranded Wire 500' FT Roll THHN/THWN 600 Volt UL Listed - White 500 ft | 500 ft | $140 | $0.28 | eBay → |
 | 12 AWG Copper Stranded Wire 500' FT Roll THHN/THWN 600 Volt UL Listed - Yellow 500 ft | 500 ft | $140 | $0.28 | eBay → |
 | 12 AWG Copper Stranded Wire 500' FT Roll THHN/THWN 600 Volt UL Listed - Green 500 ft | 500 ft | $140 | $0.28 | eBay → |
 | #12 AWG Gauge 600V THHN Stranded Copper Wire Multi Colors Available - UL 500FT 500 ft | 500 ft | $140 | $0.28 | eBay → |
 | 12 AWG Copper Solid Wire 500' FT Roll THHN/THWN 600 Volt UL Listed - Black 500 ft | 500 ft | $140 | $0.28 | eBay → |
 | 500 FT THHN/THWN WIRE. 12AWG SOLID BC 600 VOLT. MADE IN USA. ORG,RD,GRY, BRN,BK 500 ft | 500 ft | $147 | $0.29 | eBay → |
 | SOUTHWIRE 11589901 Building Wire,12AWG,THHN,Sld,Red,500ft 4W194 500 ft | 500 ft | $153 | $0.31 | eBay → |
 | NEW 500ft 12 AWG Gauge Yellow Solid Copper THHN Wire UL Listed Safety *USA Made* 500 ft | 500 ft | $168 | $0.34 | eBay → |
 | #12 AWG Gauge 600V THHN Stranded Copper Wire UL Listed - Black 100FT 100 ft | 100 ft | $37.50 | $0.38 | eBay → |
 | #12 AWG Gauge 600V THHN Stranded Copper Wire UL Listed - White 100FT 100 ft | 100 ft | $37.50 | $0.38 | eBay → |
 | #12 AWG Gauge 600V THHN Stranded Copper Wire UL Listed - Red 100FT 100 ft | 100 ft | $37.50 | $0.38 | eBay → |
 | #12 AWG Gauge 600V THHN Stranded Copper Wire UL Listed - Blue 100FT 100 ft | 100 ft | $37.50 | $0.38 | eBay → |
| 12 Gauge THHN Copper Stranded, 500 Foot Reel, Yellow, 12 AWG, Up to 600 Volt Rated, UL Listed, Rated THHN and THWN, The… 500 ft | 500 ft | $190 | $0.38 | Amazon → | |
 | VEVOR 12 AWG THHN Wire 19-Stranded Copper Building Wire Nylon Jacket 100 ft 600V 100 ft | 100 ft | $39.90 | $0.40 | eBay → |
 | Encore #12awg 19 Stranded THHN/THWN-2/MTW Building Wire Green/Yellow /100ft 100 ft | 100 ft | $39.99 | $0.40 | eBay → |
 | Southwire #12awg 19 Stranded THHN/THWN/MTW Building Wire 90C/600V Green /100ft 100 ft | 100 ft | $39.99 | $0.40 | eBay → |
 | Southwire #12awg Solid THHN/THWN/MTW/AWM Building Wire 600V Red /100ft 100 ft | 100 ft | $39.99 | $0.40 | eBay → |
 | Encore #12awg 19 Stranded THHN/THWN-2/MTW Building Wire Black /100ft 100 ft | 100 ft | $39.99 | $0.40 | eBay → |
 | Republic #12awg Solid THHN/THWN-2/MTW Building Wire Cable Red /100ft 100 ft | 100 ft | $39.99 | $0.40 | eBay → |
| MOOKEERF THHN Wire 12 Gauge 100FT - OFC Stranded Copper 12 AWG Electrical Building Wire 600V with Nylon Jacket and PVC … 100 ft | 100 ft | $49.99 | $0.50 | Amazon → | |
| MOOKEERF THHN Wire 12 Gauge 50FT - OFC Stranded Copper 12 AWG Electrical Building Wire 600V with Nylon Jacket and PVC I… 50 ft | 50 ft | $29.99 | $0.60 | Amazon → | |
| THHN Wire 12 Gauge 25 FT, 12 AWG Solid OFC Copper Electrical Building Wire with Nylon Jacket PVC Insulation, Rated 600V… 25 ft | 25 ft | $16.99 | $0.68 | Amazon → | |
| 12 AWG THHN Wire 100FT 3-Color Set (Black/White/Green) – Stranded Copper, Pre-Twisted Conductors, THHN/THWN-2 Rated, 60… 100 ft | 100 ft | $122 | $1.22 | Amazon → | |
| FIRMERST 12 AWG THHN/THWN Copper Wire, 3-Color, Pre-Twisted, 100 FT 100 ft | 100 ft | $122 | $1.22 | Amazon → | |
| 12 AWG THHN Wire 3-Conductor (Black/White/Green) – Stranded Copper, THHN/THWN-2 Rated 600V, Nylon Jacket for Indoor/Out… 100 ft | 100 ft | $122 | $1.22 | Amazon → | |
| MOOKEERF THHN Wire 12 Gauge 3 Conductor (Black/White/Green) 100FT - OFC Stranded Copper 12 AWG Pre-Twisted Electrical B… 100 ft | 100 ft | $122 | $1.22 | Amazon → | |
| 12 AWG THHN Wire 50FT 3-Color Set (Black/White/Green) – Stranded Copper, Pre-Twisted Conductors, THHN/THWN-2 Rated, 600… 50 ft | 50 ft | $65.99 | $1.32 | Amazon → | |
| MOOKEERF THHN Wire 12 Gauge 3 Conductor (Black/White/Green) 50FT - OFC Stranded Copper 12 AWG Pre-Twisted Electrical Bu… 50 ft | 50 ft | $65.99 | $1.32 | Amazon → | |
| 12 AWG THHN Wire 25FT 3-Color Set (Black/White/Green) – Stranded Copper, Pre-Twisted Conductors, THHN/THWN-2 Rated, 600… 25 ft | 25 ft | $35.99 | $1.44 | Amazon → | |
| 12 AWG THHN Wire 3-Conductor (Black/White/Green) – Stranded Copper, THHN/THWN-2 Rated 600V, Nylon Jacket for Indoor/Out… 25 ft | 25 ft | $35.99 | $1.44 | Amazon → | |
| 12 AWG THHN Wire 3-Conductor (Black/White/Green) – Stranded Copper, THHN/THWN-2 Rated 600V, Nylon Jacket for Indoor/Out… 15 ft | 15 ft | $25.99 | $1.73 | Amazon → |
Amazon per ft, by day
typical cheapest, per ft
eBay per ft, by day
typical cheapest, per ft
Amazon as of 2026-11-06 14:16:46 UTC: Amazon's own price, else its lowest new offer, before shipping and tax (via Keepa); product prices and availability are accurate as of the date/time indicated and are subject to change. eBay: new Buy It Now listings from US sellers as of 2026-11-06 UTC, item plus shipping.
Size comes from the seller's unit count or the listing title; check the listing before buying. As an Amazon Associate and eBay Partner, Sharpest earns from qualifying purchases.
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