This document is intended to be a guide for the permitting of EV charging stations and may not contain all requirements needed to obtain permits and approval from the City of Orlando. Email the Permitting Services Division with specific questions at digitalpermits@orlando.gov.
Electrical drawings must show the below at a minimum for review. (Note: We may require additional electrical requirements once electrical drawings are submitted for official review.)
EV chargers fed from existing electrical
1) Electrical contractor name, address and license number signed by the license holder must be shown on all submitted electrical drawings, sketches and panel schedules. Engineered plans are required if the charging equipment is 277/480v.
2) Please show the general note of compliance with NEC 2017 for the electrical installation on the electrical drawing.
3) Please show the general note for voltage drop for 3-percent feeders and 3-percent branch circuits, 5-percent total (feeders and branch) on the submitted electrical drawing.
4) Provide a one-line diagram showing raceways, conductors and overcurrent protection supplying the new EV chargers.
5) Revised existing panel schedule with demand load to now include the new EV chargers circuitry. Provide a panel schedule showing the load, new and existing to be placed on the panel serving the new EV chargers.
6) Submit a site plan to include electrical drawings showing the existing electrical panel and locations of the new EV chargers.
7) Electrical specifications of EV chargers to include UL-2202 and UL-2594 listing and label information.
8) Provide approved fire stopping system for all penetrations of fire rated assemblies.
220.87 Determining Existing Loads. The calculation of a feeder or service load for existing installations will be permitted to use actual maximum demand to determine the existing load under all of the following conditions:
1) The maximum demand data is available for a 1-year period.
2) The maximum demand at 125 percent plus the new load does not exceed the ampacity of the feeder or rating of the service.
3) The feeder has overcurrent protection in accordance with 240.4, and the service has overload protection in accordance with 230.90.
EV chargers fed from a new electrical service
1) Electrical contractor name, address and license number signed by the license holder must be shown on all submitted electrical drawings, sketches and panel schedules. Engineered plans are required if the charging equipment is 277/480v.
2) Please show the general note of compliance with NEC 2017 on the electrical drawing.
3) Please show the general note for compliance for voltage drop, for 3-percent feeders, and 3-percent branch circuits, 5-percent total (feeders and branch) on the submitted electrical drawing.
4) Provide a one-line diagram for the new electrical service showing raceways, conductors, and overcurrent protection size. Include voltage/phase/amperage/AIC rating.
5) Provide an arc fault current calculation, showing the available fault current at the service main breaker(s).
6) Please provide a grounding detail showing all applicable grounding electrodes and grounding electrode conductor size.
7) Steps 6-8 in the EV chargers fed from existing electrical section above.