PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
Fasteners and Anchors for Electrical Installations: Contractor's Complete Selection Guide
Substrate-first fastener selection for electricians. Concrete, block, drywall, wood stud, steel stud, unistrut. Pull-out math, coating for corrosion, panel-mount decision tree, NEC 300.11 in practice.
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View all Solar →New solar coverage is in the works — browse all solar articles →
Batteries & Storage
View all Batteries & Storage →New batteries & storage coverage is in the works — browse all batteries & storage articles →
Generators
View all Generators →New generators coverage is in the works — browse all generators articles →
Electrical & Code
View all Electrical & Code →
Fasteners and Anchors for Electrical Installations: Contractor's Complete Selection Guide
Substrate-first fastener selection for electricians. Concrete, block, drywall, wood stud, steel stud, unistrut. Pull-out math, coating for corrosion,...
Wire, Cable & Conduit Distribution: THHN, THWN, XHHW, MC, EMT, RMC, PVC — Southwire, Encore, Cerro | PES Distribution
Building wire (THHN, THWN-2, XHHW-2), service cable (SER, USE-2, UF-B), MC cable, and conduit (EMT, IMC, RMC, PVC...
Motor Control: Starters, VFDs, Contactors — Square D 8536, Eaton Freedom, Siemens SIRIUS, Schneider Altivar | PES Dis...
Sizing motor starters (NEMA vs IEC), spec'ing VFDs (Schneider Altivar, Eaton PowerXL, Siemens SINAMICS), and picking the right...
Load Center + Meter Combo Selector: Residential Meter Mains, Commercial Switchgear, Utility Approval | PES Distribution
Residential meter mains, commercial switchgear, amp-rating bands, main-lug vs main-breaker, indoor vs outdoor NEMA ratings, and utility-approved meter...
HVAC
View all HVAC →New hvac coverage is in the works — browse all hvac articles →
Industry Desk
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Wire, Cable & Conduit Distribution: THHN, THWN, XHHW, MC, EMT, RMC, PVC — Southwire, Encore, Cerro | PES Distribution
Building wire (THHN, THWN-2, XHHW-2), service cable (SER, USE-2, UF-B), MC cable, and conduit (EMT, IMC, RMC, PVC...
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Wire, Cable & Conduit Distribution: THHN, THWN, XHHW, MC, EMT, RMC, PVC — Southwire, Encore, Cerro | PES Distribution
Building wire (THHN, THWN-2, XHHW-2), service cable (SER, USE-2, UF-B), MC cable, and conduit (EMT, IMC, RMC, PVC...
Motor Control: Starters, VFDs, Contactors — Square D 8536, Eaton Freedom, Siemens SIRIUS, Schneider Altivar | PES Dis...
Sizing motor starters (NEMA vs IEC), spec'ing VFDs (Schneider Altivar, Eaton PowerXL, Siemens SINAMICS), and picking the right...
Load Center + Meter Combo Selector: Residential Meter Mains, Commercial Switchgear, Utility Approval | PES Distribution
Residential meter mains, commercial switchgear, amp-rating bands, main-lug vs main-breaker, indoor vs outdoor NEMA ratings, and utility-approved meter...
Circuit Breakers: Square D vs Eaton vs Siemens vs GE — QO / BR / QP / THQL and Powerpact / Series C / Sentron / Spect...
Head-to-head comparison of residential (QO, BR, QP, THQL) and commercial molded-case (Powerpact, Series C, Sentron, Spectra) circuit breakers...
Electrical Distribution: Breakers, Panels, Wire & Conduit from Square D, Eaton, GE, Siemens | PES Distribution
PES Distribution is a full electrical supply house — Square D, Eaton, GE, Siemens, and Schneider Electric breakers,...
Standard Circuit Breaker Sizes: NEC 240.6 Chart (15A to 6000A)
Complete NEC 240.6 chart of standard circuit breaker sizes from 15A residential to 6000A industrial. Applications, wire sizes,...
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Solar Panels Generators Batteries EV Chargers Circuit Breakers Charge Controllers Commercial SolarBlog posts
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String Inverter vs Microinverter vs Power Optimizer: How the Architecture Changes
Last Updated: September 2026 • A Technical Comparison for Installers, Contractors, and System Owners Every grid-tied solar system has to convert DC power from the panels into AC power the...
String Inverter vs Microinverter vs Power Optimizer: How the Architecture Changes
Last Updated: September 2026 • A Technical Comparison for Installers, Contractors, and System Owners Every grid-tied solar system has to convert DC power from the panels into AC power the...
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Low-Light Solar Performance: Which Panels Produce More Energy on Cloudy Days?
Last Updated: September 2026 • A Technical Buying Guide for Cloudy and Overcast Climates A panel's datasheet efficiency is measured under Standard Test Conditions - full, direct 1,000 W/m² sunlight...
Low-Light Solar Performance: Which Panels Produce More Energy on Cloudy Days?
Last Updated: September 2026 • A Technical Buying Guide for Cloudy and Overcast Climates A panel's datasheet efficiency is measured under Standard Test Conditions - full, direct 1,000 W/m² sunlight...
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Solar Panel Pallets vs Containers: Which Buying Option Saves More Money?
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. September 2026 update: the current PES pallet line runs 555–640W — Thornova 595W (31/pallet, $164.64/panel), Thornova...
Solar Panel Pallets vs Containers: Which Buying Option Saves More Money?
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. September 2026 update: the current PES pallet line runs 555–640W — Thornova 595W (31/pallet, $164.64/panel), Thornova...
