ELECTRIC VEHICLE PARKING DESIGN CRITERIA
Tucson Unified Development Code § 7.4.12
in effect7.4.12. ELECTRIC VEHICLE PARKING DESIGN CRITERIA
A. Purpose
These standards ensure that required electric vehicle charging spaces are designed so that electric vehicle drivers may easily find and utilize EVSE
Electric Vehicle Supply Equipment (EVSE)
The conductors, including the ungrounded, grounded, and equipment grounding conductors, and electric vehicle connectors, attachment plugs, and all other fittings, devices, power outlets, or apparatus installed specifically for the purpose of transferring energy between the premises wiring and an electric vehicle.
without undue inconvenience.
B. General Criteria
1. EVSE
Electric Vehicle Supply Equipment (EVSE)
The conductors, including the ungrounded, grounded, and equipment grounding conductors, and electric vehicle connectors, attachment plugs, and all other fittings, devices, power outlets, or apparatus installed specifically for the purpose of transferring energy between the premises wiring and an electric vehicle.
Siting
a. When siting EVSE
Electric Vehicle Supply Equipment (EVSE)
The conductors, including the ungrounded, grounded, and equipment grounding conductors, and electric vehicle connectors, attachment plugs, and all other fittings, devices, power outlets, or apparatus installed specifically for the purpose of transferring energy between the premises wiring and an electric vehicle.
, the charging equipment must not interfere with other uses and access on site.
b. EVSE
Electric Vehicle Supply Equipment (EVSE)
The conductors, including the ungrounded, grounded, and equipment grounding conductors, and electric vehicle connectors, attachment plugs, and all other fittings, devices, power outlets, or apparatus installed specifically for the purpose of transferring energy between the premises wiring and an electric vehicle.
shall be installed so that EV charging is feasible in the number of spaces required.
C. EV Installed
Electric Vehicle (EV) Installed
A designated parking space within 6 feet of an installed networked or non-networked charging station.
The purpose of EV Installed
Electric Vehicle (EV) Installed
A designated parking space within 6 feet of an installed networked or non-networked charging station.
EVSE
Electric Vehicle Supply Equipment (EVSE)
The conductors, including the ungrounded, grounded, and equipment grounding conductors, and electric vehicle connectors, attachment plugs, and all other fittings, devices, power outlets, or apparatus installed specifically for the purpose of transferring energy between the premises wiring and an electric vehicle.
is to provide easy access for EV charging to a wide range of the general public. This is the most visible and significant investment in EVSE
Electric Vehicle Supply Equipment (EVSE)
The conductors, including the ungrounded, grounded, and equipment grounding conductors, and electric vehicle connectors, attachment plugs, and all other fittings, devices, power outlets, or apparatus installed specifically for the purpose of transferring energy between the premises wiring and an electric vehicle.
infrastructure. The installation of a charging station allows an EV driver to charge a vehicle without additional equipment. The installation of a networked station allows for managed charging access, monitoring, billing, and remotely accessed updates for the user and property manager.
1. EV Installed
Electric Vehicle (EV) Installed
A designated parking space within 6 feet of an installed networked or non-networked charging station.
Stations must be securely anchored to the ground, floor, wall, or ceiling.
2. Stations shall be installed to minimize tripping hazards and draping of the charging cord.
3. EV parking spaces with access to installed stations shall be identified with signage and pavement markings including an EV symbol and regulatory instructions such as "No Parking Except for Electric Vehicle Charging."
4. Installed EVSE
Electric Vehicle Supply Equipment (EVSE)
The conductors, including the ungrounded, grounded, and equipment grounding conductors, and electric vehicle connectors, attachment plugs, and all other fittings, devices, power outlets, or apparatus installed specifically for the purpose of transferring energy between the premises wiring and an electric vehicle.
stations shall be accessible for EV charging during business hours at a minimum.
D. EV Ready
Electric Vehicle (EV) Ready
A parking space within 6 feet of a suitable circuit termination point, such as a NEMA 14-50R receptacle or EVSE with installed 40-ampere minimum 208-volt or 240-volt dedicated single phase branch circuit for servicing EVSE. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards.
The purpose of EV Ready
Electric Vehicle (EV) Ready
A parking space within 6 feet of a suitable circuit termination point, such as a NEMA 14-50R receptacle or EVSE with installed 40-ampere minimum 208-volt or 240-volt dedicated single phase branch circuit for servicing EVSE. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards.
EVSE
Electric Vehicle Supply Equipment (EVSE)
The conductors, including the ungrounded, grounded, and equipment grounding conductors, and electric vehicle connectors, attachment plugs, and all other fittings, devices, power outlets, or apparatus installed specifically for the purpose of transferring energy between the premises wiring and an electric vehicle.
is to provide lower cost ready access to EV charging in locations with familiar or semi-regular users. Location-specific management strategies can be utilized to monitor or bill for charging access. Users may be required to provide their own charging cables to connect to an available outlet, or management may opt to provide this component. EV Ready
Electric Vehicle (EV) Ready
A parking space within 6 feet of a suitable circuit termination point, such as a NEMA 14-50R receptacle or EVSE with installed 40-ampere minimum 208-volt or 240-volt dedicated single phase branch circuit for servicing EVSE. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards.
spaces provide significant cost savings over retrofits if they are upgraded to EV Installed
Electric Vehicle (EV) Installed
A designated parking space within 6 feet of an installed networked or non-networked charging station.
stations in the future.
1. The outlet near the EV Ready
Electric Vehicle (EV) Ready
A parking space within 6 feet of a suitable circuit termination point, such as a NEMA 14-50R receptacle or EVSE with installed 40-ampere minimum 208-volt or 240-volt dedicated single phase branch circuit for servicing EVSE. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards.
parking space shall be permanently and visibly marked as "EV Ready
Electric Vehicle (EV) Ready
A parking space within 6 feet of a suitable circuit termination point, such as a NEMA 14-50R receptacle or EVSE with installed 40-ampere minimum 208-volt or 240-volt dedicated single phase branch circuit for servicing EVSE. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards.
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2. This marking shall be changed if upgraded to EV Installed
Electric Vehicle (EV) Installed
A designated parking space within 6 feet of an installed networked or non-networked charging station.
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3. In the service panel or subpanel directory, the branch circuit shall be identified as "EV Ready
Electric Vehicle (EV) Ready
A parking space within 6 feet of a suitable circuit termination point, such as a NEMA 14-50R receptacle or EVSE with installed 40-ampere minimum 208-volt or 240-volt dedicated single phase branch circuit for servicing EVSE. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards.
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4. Information for how to access and charge at EV Ready
Electric Vehicle (EV) Ready
A parking space within 6 feet of a suitable circuit termination point, such as a NEMA 14-50R receptacle or EVSE with installed 40-ampere minimum 208-volt or 240-volt dedicated single phase branch circuit for servicing EVSE. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards.
parking spaces through site- specific management plans shall be clearly visible in the parking lot.
E. EV Capable
Electric Vehicle (EV) Capable
A parking space within 6 feet of the termination (in a listed cabinet, box, or other enclosure) of a listed electrical conduit to accommodate a future individual branch circuit originating at the main service or subpanel. The service panel or subpanel circuit directory shall provide capacity to accommodate a 40-ampere minimum 208-volt or 240-volt dedicated branch circuit. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards. The conduit shall be installed so that minimal removal of materials is necessary to complete a future installation.
The purpose of EV Capable
Electric Vehicle (EV) Capable
A parking space within 6 feet of the termination (in a listed cabinet, box, or other enclosure) of a listed electrical conduit to accommodate a future individual branch circuit originating at the main service or subpanel. The service panel or subpanel circuit directory shall provide capacity to accommodate a 40-ampere minimum 208-volt or 240-volt dedicated branch circuit. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards. The conduit shall be installed so that minimal removal of materials is necessary to complete a future installation.
conduit is to provide cost effective 'future proofing' for future EV charging at a site.
1. The raceway termination location near the EV Capable
Electric Vehicle (EV) Capable
A parking space within 6 feet of the termination (in a listed cabinet, box, or other enclosure) of a listed electrical conduit to accommodate a future individual branch circuit originating at the main service or subpanel. The service panel or subpanel circuit directory shall provide capacity to accommodate a 40-ampere minimum 208-volt or 240-volt dedicated branch circuit. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards. The conduit shall be installed so that minimal removal of materials is necessary to complete a future installation.
parking space shall be permanently and visibly marked as "EV Capable
Electric Vehicle (EV) Capable
A parking space within 6 feet of the termination (in a listed cabinet, box, or other enclosure) of a listed electrical conduit to accommodate a future individual branch circuit originating at the main service or subpanel. The service panel or subpanel circuit directory shall provide capacity to accommodate a 40-ampere minimum 208-volt or 240-volt dedicated branch circuit. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards. The conduit shall be installed so that minimal removal of materials is necessary to complete a future installation.
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2. This marking shall be changed if upgraded to EV Ready or EV Installed.
3. The service panel or subpanel circuit directory shall identify the overcurrent protective device space(s) reserved for future electrical vehicle charging as "EV Capable
Electric Vehicle (EV) Capable
A parking space within 6 feet of the termination (in a listed cabinet, box, or other enclosure) of a listed electrical conduit to accommodate a future individual branch circuit originating at the main service or subpanel. The service panel or subpanel circuit directory shall provide capacity to accommodate a 40-ampere minimum 208-volt or 240-volt dedicated branch circuit. The ampere and volt minimums described above can be modified with administrative approval to allow for advances in industry standards. The conduit shall be installed so that minimal removal of materials is necessary to complete a future installation.
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(Ord. 11953, 8/23/2022)
Source: City of Tucson, Tucson Code (Charter and General Ordinances) and Unified Development Code (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/tucson/latest/tucson_az_udc/0-0-0-28183Fetched: 10/28/2026