Tool 01 · Calculation
Pull Tension
Plan pulling tension, sidewall pressure, and the direction of the pull. Preserve the displayed cautions.
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Tool 02 · Calculation
Solar PV
Compare string voltage with equipment limits and review the field conditions still needing confirmation.
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Tool 03 · Calculation
Feeder Sizing
Review conductor sizing, voltage drop, parallel sets, and equipment grounding together.
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Tool 04 · Calculation
Pull Box
Follow pull-box sizing, bending-space considerations, and knockout layout.
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Tool 05 · Calculation
Conduit Fill
Compare raceway fill and conductor jamming considerations with a scaled cross-section.
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Tool 06 · Calculation
Feeder Tap
See the feeder tap rule and the conditions that apply to the demonstrated arrangement.
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Tool 07 · Calculation
Grounding and Bonding
Distinguish bonding jumpers, grounding electrode conductors, and electrode-specific rules.
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Tool 08 · Calculation
Fire Pump
Follow the fire-pump example through protection, conductors, and voltage-drop checks.
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Tool 09 · Calculation
Service
Review the service example, protection, bonding, grounding, and applicable qualifications.
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Tool 10 · Calculation
Knockout Layout
See hole centers, fitting clearances, and a dimensioned layout for the box.
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Tool 11 · Calculation
Wireway
Review wireway fill, conductor bending space, and the arrangement drawn to scale.
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Tool 12 · Calculation
Motors
Follow the motor circuit example through conductor sizing and protection.
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Tool 13 · Reference
Electrical Safety
Review shock boundaries, table-method conditions, and a job briefing record. Training and site procedures still apply.
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Tool 14 · Calculation
Cords
Decode cord ratings and review the sizing result, including a result with no remaining margin.
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Tool 15 · Calculation
Transformer
Follow the transformer example through protection, conductors, and grounding.
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Tool 16 · Calculation
Generator
Find a current-sized generator candidate and review transfer-switch bonding. Load kW still needs verification.
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Tool 17 · Calculation
Fault Current
Follow available fault current through the service and branch, keeping different fault quantities distinct.
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Tool 18 · Calculation
Duct Bank
Plan concrete volume and spacer positions, and keep the flotation warning in view.
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Tool 19 · Reference
Code Finder
Find plain-language pointers to 2026 NEC sections. Read the cited code and its conditions.
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Tool 20 · Reference
Installation Standards
Explore NECA 1-2023 workmanship summaries and drawings, separate from mandatory adopted code.
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Tool 21 · Reference
Code Reference
Browse rules, tables, drawings, safety topics, and the 2026 edition notice.
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Tool 22 · Reference
Fuse Charts
Look up UL fuse classes across manufacturers. Check application ratings before substituting a fuse; no PDF report.
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The videos demonstrate v0.36. Confirm the code edition adopted where you work and verify the displayed conditions. YouTube loads only when you select Play; every video also has a direct YouTube link.
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