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Electrical

Commercial Panel Boards Explained: Sizing, Types & Eaton Buying Guide

Eaton Pow-R-Xpress 200% Neutral Panelboard Single-Phase Three-Phase UL 67 Listed At a Glance Eaton Pow-R-Xpress (2NK) — 200% neutral panelboard listed to UL 67 for high-harmonic loads (data centers, LED banks, VFDs). Eaton CH-Series main breaker loadcenters (CHP14B10, CHP24B15, CHP24B20) — copper bus, plug-on

ZenSupply Electrical Team · Oct 14th 2026 Read the guide →
Electrical

Wiremold Surface Raceway: Series, Sizing, and Fittings Guide

Wiremold surface raceway, series by series: 500, 700, 2400, 4000, 6000, and the nonmetallic 400/800/2300 lines. Sizing, NEC fill, fittings, and spec tips. Shop Wiremold raceway at ZenSupply. Wiremold Surface Raceway: Series, Sizing, and Fittings Guide Wiremold 4000 Series Steel Raceway Internal Elbow 3.125" x

ZenSupply Electrical Team · Aug 3rd 2026 Read the guide →
Electrical

Panel Board Buying Guide: How to Spec Commercial Panelboards Right

Panel board buying guide for commercial projects: main breaker vs main lug, amperage sizing, NEMA ratings, and top brands. Spec the right panelboard — start here.At a Glance Square D and Eaton dominate commercial panelboard specs — both meet UL 67 and NEC Article 408 requirements. Main breaker panels are required where

ZenSupply Electrical Team · Jun 17th 2026 Read the guide →
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