Industry News & Insights

What Is MV-105 Cable

MV-105 isn't a brand name — it's a temperature rating. Here's what the "105" means, how it compares to MV-90, ...

What Is MTW Wire? Machine Tool Wire Explained

MTW is the wire industrial control panels are built with: flexible stranding, oil-resistant PVC, and the UL 10...

Marine Battery Cable Sizing Guide (ABYC-Based)

Boat electrical systems live or die by voltage drop and corrosion. This guide walks through ABYC-based battery...

Copper vs Aluminum Building Wire: Cost, Performance, and Code

For feeders and services, aluminum wire can cut conductor cost dramatically. For branch circuits, copper still...

SER vs SEU Cable: What's the Difference and Which One Do You Need?

SER is the 4-wire style for subpanels and downstream feeders; SEU is the 3-wire style for the service drop to ...

THHN vs THWN-2: What the Letters Mean and Why It Matters

Nearly every spool of THHN sold today is dual-rated THHN/THWN-2. Here's what each rating actually certifies, a...

SIS Wire Guide: Switchboard Wiring, NEC Rules, and Specifications

SIS is the wire the NEC expects inside switchboards and switchgear. Here's what makes it different from other ...

DLO Cable vs Welding Cable: When to Use Each

DLO and welding cable are both flexible, rubber-jacketed power cables — but they are not interchangeable. Volt...

What Size Welding Cable Do I Need? (Amps × Distance Guide)

Welding cable size depends on two things: your welder's output amperage and the total length of your leads. Th...