Construction Electrical
Planning calculators for construction electrical — estimates from industry-style inputs.
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Electrical Panel Schedule Calculator
Panel load calculation with NEC demand factors for lighting, receptacles, motors, and HVAC.
Feeder Sizing Calculator
Feeder conductor size from load amps and distance, with voltage drop check per NEC 215.2.
Motor Circuit Calculator
Branch circuit protection, conductor, and starter sizing from motor HP per NEC Article 430.
Lighting Control Calculator
Lighting power density check per ASHRAE 90.1 with dimming zone, sensor, and control device counts.
Fire Alarm Initiating Device Calculator
Smoke detector, heat detector, and pull station count from floor plan per NFPA 72.
Nurse Call System Calculator
Station count and system components from patient room count and facility type per UL 1069.
Data Cable Calculator
Cable runs, conduit fill per NEC Table 1, and pathway sizing from network drop count.
Security System Calculator
Camera, card reader, and panel count with PoE budget and storage sizing from facility specs.
Lightning Protection Calculator
Air terminal and conductor layout per NFPA 780 from building dimensions and roof type.
Electrical Rough-In Labor Calculator
Labor hours and cost per device from device counts, building type, and NECA labor units.