Free NEC Electrical Panel Schedules & MEP Engineering Excel Calculators
Licensed PE-grade 1-Phase and 3-Phase commercial electrical panel schedules, NEC Article 220 demand load calculators, voltage drop spreadsheets, HVAC Manual J calculators, and rebar bending schedules.
Available Workbooks (6)
Rebar Bending Schedule (BBS) & Steel Weight Takeoff Excel Template (ACI / ASTM Bar Sizes #3 to #11)
Free professional Rebar Bending Schedule (BBS) & Steel Weight Takeoff Excel Template (ACI / ASTM Bar Sizes #3 to #11) (.XLSX) with automated formulas, multi-sheet schedules, and interactive calculator preview.
NEC Voltage Drop & Copper/Aluminum Wire Sizing Calculator Excel Sheet (1-Phase & 3-Phase Feeder & Branch)
Free professional NEC Voltage Drop & Copper/Aluminum Wire Sizing Calculator Excel Sheet (1-Phase & 3-Phase Feeder & Branch) (.XLSX) with automated formulas, multi-sheet schedules, and interactive calculator preview.
HVAC Heat Load Calculation Excel Spreadsheet (Manual J Block Load, BTU/hr & Tonnage Sizing Calculator)
Free professional HVAC Heat Load Calculation Excel Spreadsheet (Manual J Block Load, BTU/hr & Tonnage Sizing Calculator) (.XLSX) with automated formulas, multi-sheet schedules, and interactive calculator preview.
200-Amp Single-Phase Residential Panel Schedule Excel Template (120/240V NEC Article 220 Load Calculation)
Free professional 200-Amp Single-Phase Residential Panel Schedule Excel Template (120/240V NEC Article 220 Load Calculation) (.XLSX) with automated formulas, multi-sheet schedules, and interactive calculator preview.
Concrete Takeoff & Cost Estimator Excel Template (Slabs, Footings, Columns, Rebar & Cubic Yards)
Free professional Concrete Takeoff & Cost Estimator Excel Template (Slabs, Footings, Columns, Rebar & Cubic Yards) (.XLSX) with automated formulas, multi-sheet schedules, and interactive calculator preview.
3-Phase Commercial Electrical Panel Schedule Excel Template (208Y/120V & 480Y/277V NEC Load Calculator)
Free professional 3-Phase Commercial Electrical Panel Schedule Excel Template (208Y/120V & 480Y/277V NEC Load Calculator) (.XLSX) with automated formulas, multi-sheet schedules, and interactive calculator preview.