PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
NEC 310.16 Ampacity Table (2026): Copper & Aluminum by Gauge
NEC 310.16 Ampacity Table (2026): Copper & Aluminum by Gauge The full 60°C / 75°C / 90°C conductor ampacity chart, which column you're actually allowed to use, and the derating rules that...
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Solar
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BABA Compliance for Electrical and Solar Equipment - 2 CFR 184, the 55% Rule, and How to Source Compliant Product
BABA Build America Buy America Compliance Guide for Electrical & Solar Equipment A distributor's field manual for infrastructure...
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 →NEC 310.16 Ampacity Table (2026): Copper & Aluminum by Gauge
NEC 310.16 Ampacity Table (2026): Copper & Aluminum by Gauge The full 60°C / 75°C / 90°C conductor...
Friday Floor Scan: 5 Quiet Workhorses Worth a Second Look
No new arrivals this week, so we scanned the floor instead: five proven SKUs — refrigerant to breakers...
Smart Load Management: EV Charging on a 100A Panel (No Service Upgrade)
A smart load manager lets a Level 2 EV charger live legally on a 100A panel — NEC...
Voltage Drop Calculator: NEC 3%/5% Rule, Formula & Wire Size Charts
Interactive voltage drop calculator with NEC 3%/5% guidance. Single-phase and three-phase, copper and aluminum, with circular-mil tables, worked...
HVAC
View all HVAC →
Friday Floor Scan: 5 Quiet Workhorses Worth a Second Look
No new arrivals this week, so we scanned the floor instead: five proven SKUs — refrigerant to breakers...
Service Entrance Load Calculator: NEC 220 Standard Method (Sq Ft + Appliances + HVAC)
Interactive NEC Article 220 standard-method load calculator: square footage, appliances, range, dryer, HVAC, and EV charging in —...
Industry Desk
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Friday Floor Scan: 5 Quiet Workhorses Worth a Second Look
No new arrivals this week, so we scanned the floor instead: five proven SKUs — refrigerant to breakers...
BABA Compliance for Electrical and Solar Equipment - 2 CFR 184, the 55% Rule, and How to Source Compliant Product
BABA Build America Buy America Compliance Guide for Electrical & Solar Equipment A distributor's field manual for infrastructure...
The Latest
Friday Floor Scan: 5 Quiet Workhorses Worth a Second Look
No new arrivals this week, so we scanned the floor instead: five proven SKUs — refrigerant to breakers...
Smart Load Management: EV Charging on a 100A Panel (No Service Upgrade)
A smart load manager lets a Level 2 EV charger live legally on a 100A panel — NEC...
Voltage Drop Calculator: NEC 3%/5% Rule, Formula & Wire Size Charts
Interactive voltage drop calculator with NEC 3%/5% guidance. Single-phase and three-phase, copper and aluminum, with circular-mil tables, worked...
EV Charger Circuit Calculator: Breaker & Wire Size per NEC 625 (125% Rule)
Interactive EV charger circuit calculator: charger amps to breaker and wire size under the NEC 625 125% continuous-load...
Service Entrance Load Calculator: NEC 220 Standard Method (Sq Ft + Appliances + HVAC)
Interactive NEC Article 220 standard-method load calculator: square footage, appliances, range, dryer, HVAC, and EV charging in —...
Conduit Bending Calculator: Offset Multiplier & Shrinkage Math (10°/22.5°/30°/45°)
Interactive conduit offset bending calculator: multiplier, shrinkage, and mark spacing for 10°, 22.5°, 30°, and 45° bends —...
BABA Compliance for Electrical and Solar Equipment - 2 CFR 184, the 55% Rule, and How to Source Compliant Product
BABA Build America Buy America Compliance Guide for Electrical & Solar Equipment A distributor's field manual for infrastructure...
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This Week in Power & Solar — October 20, 2026
The $0.38/W module price floor lands Dec 4, China's export rebate is gone, NEC 2026 rewrites generator shutdown rules, and standby demand keeps climbing.
This Week in Power & Solar — October 20, 2026
The $0.38/W module price floor lands Dec 4, China's export rebate is gone, NEC 2026 rewrites generator shutdown rules, and standby demand keeps climbing.
