Cheapest 100 ft 12 AWG THHN wire

All sizes of 12 AWG THHN wire →

Amazon $49.99/rolltypical $122 · 5 listings Buy on Amazon: $49.99 for 1 roll → list $53.99, −7%as of 2026-11-06 14:16:46 UTC
eBay $37.50/rolltypical $39.95 · 10 new listings Buy on eBay: $37.50 for 1 roll →as of 2026-11-06 UTC

Amazon prices are before shipping (free on most items with Prime); eBay prices include shipping. We earn a commission when you buy through these links, at no cost to you.

All 15 listings, single rolls first, then multipacks

ItemSizePricePer roll
#12 AWG Gauge 600V THHN Stranded Copper Wire UL Listed - Black 100FT 1 roll1 roll$37.50$37.50 eBay →
#12 AWG Gauge 600V THHN Stranded Copper Wire UL Listed - White 100FT 1 roll1 roll$37.50$37.50 eBay →
#12 AWG Gauge 600V THHN Stranded Copper Wire UL Listed - Red 100FT 1 roll1 roll$37.50$37.50 eBay →
#12 AWG Gauge 600V THHN Stranded Copper Wire UL Listed - Blue 100FT 1 roll1 roll$37.50$37.50 eBay →
VEVOR 12 AWG THHN Wire 19-Stranded Copper Building Wire Nylon Jacket 100 ft 600V 1 roll1 roll$39.90$39.90 eBay →
Encore #12awg 19 Stranded THHN/THWN-2/MTW Building Wire Green/Yellow /100ft 1 roll1 roll$39.99$39.99 eBay →
Southwire #12awg 19 Stranded THHN/THWN/MTW Building Wire 90C/600V Green /100ft 1 roll1 roll$39.99$39.99 eBay →
Southwire #12awg Solid THHN/THWN/MTW/AWM Building Wire 600V Red /100ft 1 roll1 roll$39.99$39.99 eBay →
Encore #12awg 19 Stranded THHN/THWN-2/MTW Building Wire Black /100ft 1 roll1 roll$39.99$39.99 eBay →
Republic #12awg Solid THHN/THWN-2/MTW Building Wire Cable Red /100ft 1 roll1 roll$39.99$39.99 eBay →
MOOKEERF THHN Wire 12 Gauge 100FT - OFC Stranded Copper 12 AWG Electrical Building Wire 600V with Nylon Jacket and PVC … 1 roll1 roll$49.99$49.99 Amazon →
12 AWG THHN Wire 100FT 3-Color Set (Black/White/Green) – Stranded Copper, Pre-Twisted Conductors, THHN/THWN-2 Rated, 60… 1 roll1 roll$122$122 Amazon →
FIRMERST 12 AWG THHN/THWN Copper Wire, 3-Color, Pre-Twisted, 100 FT 1 roll1 roll$122$122 Amazon →
12 AWG THHN Wire 3-Conductor (Black/White/Green) – Stranded Copper, THHN/THWN-2 Rated 600V, Nylon Jacket for Indoor/Out… 1 roll1 roll$122$122 Amazon →
MOOKEERF THHN Wire 12 Gauge 3 Conductor (Black/White/Green) 100FT - OFC Stranded Copper 12 AWG Pre-Twisted Electrical B… 1 roll1 roll$122$122 Amazon →

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.

More wire & materials

5/8 inch garden hose $0.49/ft18/2 thermostat wire $0.12/ft4/0 AWG welding & battery cable $6.94/ft12 AWG speaker wire $0.22/ft1/4 inch drip irrigation tubing $0.080/ft16 AWG speaker wire $0.12/ft10 AWG THHN wire $0.35/ft12/2 low-voltage landscape wire $0.15/ft14/2 NM-B Romex wire $0.46/ft12/2 NM-B Romex wire $0.68/ft14 AWG speaker wire $0.15/ft14 AWG primary automotive wire $0.067/ft