Stay informed with the latest developments in wire and cable technology, industry trends, and technical expertise.
EV chargers are continuous loads — the 125% rule changes everything about wire sizing. Here's the wire you need for every common charger size, per NEC Article 625.
Every wire weight you need in two charts: bare copper, THHN, and XHHW-2 from 14 AWG to 1000 kcmil, plus alumin...
SER is the 4-wire style for subpanels and downstream feeders; SEU is the 3-wire style for the service drop to ...
Nearly every spool of THHN sold today is dual-rated THHN/THWN-2. Here's what each rating actually certifies, a...
Copper and aluminum are the two most common electrical conductors used today. Learn how they compare in conduc...
Learn the key differences between THHN and XHHW-2 wire insulation, including how thermoplastic and thermoset c...
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