Technical Library
Conversions Tech
The Technical Library
Certification courses, engineering white papers, dimensioned drawing libraries, calculators and the full 2026 catalog set — the reference desk the ultra-large brands charge a rep visit for, free and online. Built for engineers, electricians, solar installers and distributor counters.
START A COURSE CATALOG LIBRARYONLINE LEARNING • FREE • CERTIFICATE ON COMPLETION
Certification Courses
Certified Lug Termination
Selection, die matching, crimp sequence, torque discipline and inspection — compression and mechanical, copper and aluminum, built on UL 486A/B.
Solar PV Balance-of-System Specification
String sizing per NEC 690, combiner architecture, isolation and rapid shutdown, MC4 quality gates and the AC stack — keyed to Catalog CT-31.
Distributor Product Knowledge Program
Read counter language, cross-reference any major-brand part number, attach the items the job needs, and route engineering work to the desk.
ENGINEERING DRAWINGS • DIMENSIONED REFERENCE
Drawing Libraries & White Papers
Lug Engineering Drawing Library
Dimensioned drawings for every lug family — one-hole short and long barrel, two-hole NEMA, mechanical set-screw, insulated multi-tap and covered mechanical — with the die color code, crimp counts, UL 486A pull-out floors, torque constants and stocked-SKU configuration tables.
The Gas-Tight Joint: Compression Termination Engineering
The metallurgy of a correct crimp, the thermal-runaway loop, barrel length as a design variable, aluminum rules and a specification checklist for construction documents.
Sizing PV String Protection: NEC 690 in Practice
The complete worked method — 1.56× fusing, cold-day voltage correction, conductor sizing, fuse formats by voltage class, and SPD selection with lead-length rules — on a modern 580 W module.
The Six-Catalog Library
CT-31 Solar & PV, CT-26 Electrical Hardware, CT-30 Conduit & Support, CT-27 Wire Mesh Tray, CT-28 Hinges, CT-29 Gas Springs — spec tables, ratings matrices, ordering codes and live SKUs.
INTERACTIVE TOOLS
Calculators & Selectors
Interactive Lug Selector
Filter by conductor size, stud, barrel and hole count to a buyable SKU in seconds.
Engineering Calculators
AWG wire sizing, NEC conduit fill, voltage drop and solar string sizing — the four estimating checks crews run daily.
Field Guides & Charts
Lug sizing guide, AWG conversion chart, fiber and AV cable guides, Starlink Mini integration and the cross-reference tool.
The engineering desk answers what the library can't.
Cross-references, certified dimension sheets, submittal packages, takeoff pricing and plan-set reviews — verified answers within 48 hours, no charge on project orders.
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