Service & feeder load calculation
Article 220 calculation for the service and any feeders — general lighting, receptacles, appliances, motors, largest-motor adder and the applicable demand factors, each named as it is applied.
An Article 220 service and feeder load calculation with a matching panel schedule — every circuit accounted for, every demand factor named, and the arithmetic shown. Delivered as a plan sheet that sits in the permit set and a workbook that shows the work.
The schedule is a directory and the evidence the service can carry the load. Both jobs, one sheet.
Article 220 calculation for the service and any feeders — general lighting, receptacles, appliances, motors, largest-motor adder and the applicable demand factors, each named as it is applied.
Every breaker position documented — circuit, description, load, breaker size and pole count — with spare and space counts derived from the schedule itself rather than estimated.
Phase loading checked across the panel, with the line-to-line total reconciled once so the schedule and the service calculation are provably the same load.
Minimum service and overcurrent protection sized from the calculated demand load, stated against the existing service so the gap — if there is one — is explicit.
The lighting and receptacle unit loads taken from the NEC table edition the project adopts, with the occupancy row chosen deliberately and recorded.
The outlets and dedicated circuits commercial occupancies are required to have, which hand-drawn tenant sets routinely omit.
The edition in force in Florida — the calculation cites the edition the project's drawings adopt.
Branch-circuit, feeder and service load calculations.
Service conductors and equipment.
Switchboards and panelboards.
Motors, motor circuits and controllers, including the largest-motor adder.
Sign and outline lighting outlets.
Adopts NFPA 70 as the electrical code for the project.
The serving utility's own standards for meter, service and point of connection, which can govern over the code minimum.
Demand load by category with every demand factor identified as applied or declined.
Circuit directory with breaker sizes, poles, loads and derived spare/space counts.
Connected load, demand load, calculated current and minimum overcurrent protection.
The step-by-step calculation, so a reviewer can follow each category.
Computed load against the existing service rating, with the required rating stated.
Response to electrical review comments and revision when the equipment or scope changes.