Collection: Wire

THHN, TelcoFlex & Grounding Wire – Sold Per Foot & Spools

From quick per-foot pulls to full spools, Sky High stocks contractor-grade wire for telecom, low-voltage, and electrical pros. Choose stranded THHN (Black/Red/Green), TelcoFlex® L4 (#6 and #2 Gray for power/battery plants), and #2 Solid Tinned Copper for bonding and grounding.

Fast Picks

THHN by Gauge & Color – #12, #10, #8, #6, #2, 1/0
TelcoFlex® L4 – #6 & #2 Gray, spools & per-foot
#2 Solid Tinned Copper – per-foot & 250' spool

Why Buy Here

Buy exactly what you need: per-foot or factory spools
Free regional delivery (NJ/NY/PA) on qualifying orders
Preferred B2B pricing for trade accounts

THHN Building Wire

Stranded copper THHN with tough nylon jacket for pulls in conduit and panels. Popular colors Black/Red for hots and Green for equipment ground. Available from #12 up to 1/0.

TelcoFlex® L4 (Telecom Power)

Flexible, abrasion-resistant telecom power cable used for battery plants, DC power runs, and equipment feeds. Stocked in #6 and #2 Gray with per-foot and spool options.

Tinned Copper Grounding

#2 solid tinned copper for corrosion-resistant bonding and grounding—available per-foot or 250' spools.

Common Accessories

Two-hole lugs (#6–1/0), heat-shrink, weatherproofing tape
Cable tray bonding jumpers & hardware
Unistrut and cable management

Code reminder: Always size conductors per the latest NEC and project specs. Ampacity varies by installation conditions (ambient temp, conduit fill, etc.).