City of Los Angeles (CA)

California Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2023

Fire Code Version2018 Building Code

Wet Stamps RequiredDigital Electrical

Fire Setback Enforced1

Codes

NEC Code Version: 2023

Fire Code Version: 2018 Building Code

Code List

2025 CALIFORNIA BUILDING CODE

2025 CALIFORNIA ELECTRICAL CODE

2025 CALIFORNIA FIRE CODE

2025 CALIFORNIA PLUMBING CODE

2025 CALIFORNIA MECHANICAL CODE

2025 CALIFORNIA ENERGY CODE

2025 CALIFORNIA RESIDENTIAL CODE

2025 CALIFORNIA ADMINISTRATIVE CODE

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

How Many Plansets Required: 1

Revision Required: 1

Rough Inspection: None

New Planset Required For Module Swap: 0

Stamps

Ee Stamp Required On SLD: Yes,Yes - Load Calcs

Wet Stamps Required: Digital Electrical

Structural Calculations Required: No

Stamp Location On Plans: Unspecified

Date On Stamps: Expiration Date

Fire setbacks

Fire Setback Enforced: 1

Setback Notes

Pathways on the rake must start at the load-bearing wall.
Hips and valley setbacks must equal 36 inches. Reference the City of LA FSB image uploaded below in the files section for further illustration.
All flat roofs must have a 3-foot setback all around. Additionally, internal “cross” pathways are required (see files section).
A 3-foot setback is required around skylights on flat roofs.
3ft when panels are on both sides of the ridge regardless of the percentage

Structural & loads

Wind Speed: 110

Wind Notes: Exposure Category B

Snow Load: 0

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Minimum Ground On Roof: #10

Electrical

AC Disconnect Required: Yes

Electrical Load Calcs Required: All Jobs

Allowed POI: PV Breaker,Line Side Taps,Load Side Taps

Panel Schedule Required: Partial Home Backup

Temperature Rating: 90

De Rating Ampacity: 0.91

BOS Restrictions: Standard

Battery / ESS

Unique Battery Placards Needed: 0

ESS Notes

[LACOF]

PROVIDE CUT SHEET FOR 63A BREAKER
ESS CHECKLIST REQUIRED TO BE FILLED AND ATTACHED TO PLANS FOR ALL BATTERY-ATTACHED PROJECTS
SEE FILES SECTION FOR PRE-FILLED CHECKLISTS FOR TESLA AND SOLAREDGE
NOT ALL INFO CAN BE PREFILLED, REQUIRES YOUR ACTION
SEE FILES FOR EXAMPLE ON WHAT FIELDS NEED MANUAL ENTRY
ESS DISCONNECT REQUIRED WITHIN 6FT OF MSP ON SAME WALL AND NOT BLOCKED BY WALLS/GATES/ETC
BATTERIES REQUIRE A DISCONNECT WITHIN LINE OF SIGHT OF THE UNIT, POWERWALL 3 ENABLE SWITCH DOES NOT COUNT. DO NOT MARK THIS AS THE ESS DISCONNECT ON THE DISCONNECT SCHEDULE.
TELSA GATEWAY CALLOUT MUST INCLUDE NOTE - 'TELSA GATEWAY IS RATED FOR 10KAIC', OR, IT NEEDS TO BE PROTECTED BY A CLASS J-FUSE.
INDIVIDUAL ESS UNITS SHALL BE SEPARATED BY NO LESS THAN 3', ILLUSTRATE THIS ON THE ELEVATION PAGE
ESS UNITS SHALL NOT BE LESS THAN 3' FROM DOORS AND WINDOW DIRECTLY ENTERING THE DWELLING UNIT, ILLUSTRATE THIS ON THE ELEVATION PAGE

WHEN THE ESS IS TO BE LOCATED IN A GARAGE

PROVIDE DIMENSIONED FLOOR PLAN OF GARAGE. INTERIOR CLEAR DIMENSIONS OF GARAGE 20’ X 20’ MINIMUM NEEDED. ENSURE EQUIPMENT IS PROTECTED BY BOLLARDS, OR OUTSIDE OF VEHICLE IMPACT ZONE
MINIMUM 7' VERTICAL CLEARANCE REQUIRED FOR THE SIDE WALL OF THE GARAGE
MINIMUM 4' REQUIRED FOR SIDE WALL OF GARAGE
LISTED HEAT DETECTOR REQUIRED TO BE ILLUSTRATED ON PLANS, INCLUDE SPEC SHEET FOR HEAT DETECTOR AND INCLUDE THE CALSSA+Fact+Sheet_+Heat+Alarms+for+Residential+ESS (1).pdf DOCUMENT ATTACHED TO THE FILES SECTION IN THIS DATABASE

Separate ESS Disconnect Required: Local Disconnect,ESS Disconnect

ESS Elevation Detail Required: Yes - with dimensions

Plan set

Plan Set Requirements

ALL JOBS:

PROVIDE A LISTED JUNCTION BOX FOR SPLICES/WIRING TRANSITION FROM PV WIRE TO BUILDING WIRING. (ADD DATASHEET FOR LISTED JBOX)

EXISTING SYSTEMS:

PROVIDE CUT SHEET FOR EXISTING INVERTER.
PLEASE IDENTIFY RAPID SHUTDOWN TYPE/QUANTITY OF EXISTING SYSTEM ON LINE DIAGRAM. IF NOT COMPLIANT WITH CEC, PROVIDE DIAGRAM (PLACARD TO BE INSTALLED ON SITE) PER CEC 690.56(C)(2). (THE EXISTING SYSTEM IS NON-COMPLIANT)

400A SERVICE (400/200/200) -> SENIOR ONLY <-

FAULT CALCS ARE REQUIRED - ORDER THESE VIA STAMPS TASKS
ALL EQUIPMENT MUST BE RATED FOR 22K AIC OR WIRE MUST BE SPOOLED LONG ENOUGH TO REDUCE RESISTENACE AT PV EQUIPMENT TO BE AT OR BELOW 10K AIC

EV CHARGERS:

A SEPARATE EV CHARGER ONLY PLAN SET MUST BE CREATED
THE PV PLANS SHOULD NOT INCLUDE THE EV CHARGER EXCEPT ON THE ELD

Cover Page Notes: All Jobs [ELECTRICAL EQUIPMENT SHALL BE LISTED BY A CITY OF LOS ANGELES RECOGNIZED ELECTRICAL TESTING LABORATORY OR APPROVED BY THE DEPARTMENT]

Site

THE LAYOUT OF EXISTING PV SYSTEMS NEED TO BE ILLUSTRATED AS INDIVIDUAL MODULES, NOT ONE BIG 'OBSTRUCTION'
Layout of existing modules needs to be replicated in Aurora before downloading DXF

Site Notes: All Jobs [ELECTRICAL EQUIPMENT SHALL BE LISTED BY A CITY OF LOS ANGELES RECOGNIZED ELECTRICAL TESTING LABORATORY OR APPROVED BY THE DEPARTMENT // ALL EQUIPMENT IS NEMA 3R UL LISTED]

Roof Plan

AHJ REQUIRES STRINGING ON LAYOUT FOR MULTIPLE STRINGS
MUST SHOW JBOXES ON ROOF PLAN
IF INSTALLING ON A DUPLEX OR SIMILAR, LIST THE ADDRESSES OF ANY ATTACHED DWELLINGS.
PATHWAYS ON THE RAKE MUST START AT THE LOAD BEARING WALL
HIPS & VALLEY SETBACKS MUST EQUAL 36" REFERENCE CITY OF LA FSB IMAGE UPLOADED BELOW IN FILES SECTION FOR FURTHER ILLUSTRATION
ALL FLAT ROOFS MUST HAVE 3' SETBACK ALL AROUND, ADDITIONALLY, INTERNAL 'CROSS' PATHWAYS (SEE FILES SECTION)
3' SETBACKS ARE REQUIRED AROUND A SKYLIGHT FOR FLAT ROOFS.

Roof Plan Notes: All Jobs [EQUIPMENT AND CONDUITS SHALL BE PAINTED TO MATCH EXISTING BUILDING // SOLAR PV INSTALLATION SHALL COMPLY WITH LOS ANGELES FIRE DEPARTMENT'S FIRE PREVENTION BUREAU (FPB) REQUIREMENT NO. 96]

Attachment Detail: SHOW DISTANCE FROM ROOF SURFACE TO TOP OF PANEL

Electrical Diagram

EXISTING SYSTEMS:

IF THE EXISTING SYSTEM IS NON-RSD COMPLIANT, DRAW A BOX AROUND THE EXISTING SYSTEM ON THE ELD
INCLUDE A LEADER POINTING TO THE BOX INDICATING 'NON-RSD COMPLIANT'

Main Breaker Downsize:

IF CALLING OUT MAIN BREAKER DOWNSIZE, PLEASE THE FOLLOWING NOTE ON THE ELD. "MAIN PANEL DERATE UNDER SEPERATE PERMIT."

MPU:

FOR 200A SERVICES+ - INDICATE GEC FOR NEW SERVICE 1 #6 THWN-2, GEC (FOR 125A MCB) 1 #4 THWN-2, GEC (FOR 200A MCB OR ABOVE)
LOAD CALCS REQUIRED FOR MPU
ADD NOTE SAYING OTHER LOADS ARE EXISTING (FOR MPUS)
400A SPLIT SERVICE REQUIRES ARC FAULT CALCS

RELOCATING LOADS/SUB PANELS:

PANEL SCHEDULE REQUIRED FOR ALL NEW SUB PANELS AND LOAD CENTERS CALL OUT LOADS IN MAIN SERVICE PANEL AS "EXISTING LOADS PER [93.0207(r)]"
INCLUDE NOTE - ANY LOADS RELOCATED MORE THAN 6 FEET, SHALL BE PROVIDED WITH AFCI PROTECTION

TRENCHING:

IF PLACING PANELS ON DETACHED STRUCTURE, A DISCONNECT MUST BE INCLUDED ON THE STRUCTURE
IT IS HIGHLY RECOMMENDED TO PLACE THE INVERTER ON THE DETACHED STRUCTURE BEFORE TRENCHING TO THE MSP (TRENCH ONLY AC, NOT DC)

Battery:

For SEEB Projects - Utilize 100A AC Disconnect for 63A CHINT breaker.

Electrical Diagram Notes

All Jobs [ALL GROUNDING ELECTRODES THAT ARE PRESENT AT EACH BUILDING OR STRUCTURE SHALL BE BONDED TOGETHER. (250.50) // HEIGHT OF CONDUIT FROM ROOFTOP SHALL BE 7/8" // SPLICES/WIRING TRANSITIONS FROM PV WIRE TO BUILDING WIRING TO OCCUR IN A LISTED WP JUNCTION BOX. // THE ARRAY EQUIPMENT GROUNDING CONDUCTOR SMALLER THAN 6 AWG, OR THE EQUIPMENT BONDING JUMPERS (IF USED) SHALL BE PROTECTED FROM PHYSICAL DAMAGE BY RACEWAY OR CABLE ARMOR, INSTALLED IN HALLOW SPACES INSIDE BUILDINGS OR OTHER METHODS AS PERMITTED IN SECTION 250.120(C). (690.46) // PV BACKFEED BREAKER TO BE INSTALLED AT OPPOSITE END OF BUSBAR OR INPUT FEEDER // ALL TERMINALS SHALL BE MIN 75 DEG. C RATED // ALL EQUIPMENT TO BE LISTED BY NTRL OR APPROVED BY THE DEPARTMENT, CITY OF LA TEST LAB]

Battery [ENERGY STORAGE SYSTEM (ESS) INSTALLATION SHALL MEET LAFD MEMO EFFECTIVE 5/10/2023 // THE ESS CIRCUIT BREAKER SHALL BE SECURED IN PLACE BY AN ADDITIONAL FASTENER PER SECTION 408.36(D). THE BREAKER AND FASTENER SHALL BE MADE BY THE SAME MANUFACTURER.]

ADD NOTE TO JUNCTION BOX 'NEMA 3R'
ADD NOTE TO AC DISCONNECT 'NEMA 3R'
REMOVE ANY MENTION OF 'OR LARGER/OR GREATER' FROM THE TLD'
REMOVE '#6 AWG IN FREE AIR' FROM OPTIMIZERS TO JUNCTION BOX'
CALL OUT EITHER FREE AIR OR EMT. REMOVE THE OR PART
CALL OUT EXISTING WIRE AND CONDUIT SIZE IF TYING INTO (E) PANEL
SPECIFY IF GEC AT THE MAIN PANEL IS NEW OR EXISTING.
REMOVE "Or Equivalent"

RELOCATING LOADS/SUB PANELS:

[ANY LOADS RELOCATED MORE THAN 6 FEET, SHALL BE PROVIDED WITH AFCI PROTECTION]

Label Page

Existing Systems [NON-COMPLIANT ARRAYS WILL REMAIN ENERGIZED UPON INITIATION OF RSD WILL BE REQUIRED.]

ENSURE VALUES ON PLACARD ARE CORRECT
SHOW EXISTING ARRAYS ON PLACARD
IF EXISTING ARRAYS ARE NOT COMPLIANT WITH THE CEC RSD REQUIREMENTS, A DOTTED LINE SHALL BE PLACED AROUND NON-COMPLIANT ARRAYS.

Custom Placards Required: 1

Placards Notes: Inspector requires every placard on placer page

Non Standard Revision Requirements

CLOUD SPECIFIC CHANGES TO THE PLANS ONLY, DO NOT CLOUD ENTIRE PAGES.
ALL CHANGES TO THE PLANS MUST BE CLOUDED. FOR EXAMPLE, A MOD SWAP WOULD REQUIRE ANY MENTION OF THE MOD TYPE TO BE CLOUDED
DO NOT USE ABBREVIATIONS IN NARRITIVE LETTER SUCH AS BOS, ETC.
REMOVE REVISION CLOUDS/DELTAS FROM PREVIOUS REVISIONS

Ground mount

Ground Mount Fencing Required: Mesh/Scrim

Ground Mount Notes: Provide grounding electrode system at ground mount array as per 690.47(A). Minimum (2) ground rods spaced 6' apart. ex: a past project