1BlockHouseSq-CofA-solar
Salem Historical Commission
98 WASHINGTON STREET, SALEM, MASSACHUSETTS 01970
(978) 619-5685
CERTIFICATE OF APPROPRIATENESS
It is hereby certified that the Salem Historical Commission has determined that the proposed:
✓ Construction Moving
Reconstruction Alteration
Demolition Painting
Signage Other work
as described below will be appropriate to the preservation of said Historic District, as per the requirements
set forth in the Historic District's Act (M.G.L. Ch. 40C) and the Salem Historic Districts Ordinance.
District: Derby Street
Address of Property: 1 Block House Square
Name of Record Owner: Luz Villarreal
Description of Approval of Work:
▪ Install roof solar array per attached plans with the following conditions:
▪ Solar panels to be aligned symmetrically as shown on attached marked-up image;
▪ All conduits to be placed on interior except for main conduit, which is to be located on Fort Avenue
(north) elevation;
▪ Electric meter to remain in building interior;
▪ Associated electrical equipment for solar to be placed on Fort Avenue (north) elevation of building;
▪ Commission to be updated on contact with National Grid concerning meter location;
▪ Solar provider to submit an updated plan that incorporates conditions to Commission staff for
review and final signoff before installation.
Dated: August 5, 2026 SALEM HISTORICAL COMMISSION
By:
The homeowner has the option not to commence the work (unless it relates to resolving an outstanding
violation). All work commenced must be completed within one year from this date unless otherwise
indicated.
THIS IS NOT A BUILDING PERMIT. All applicable building permits to be obtained prior to work
commencing.
Red circle – move panels to the right to symmetrical placement over dormer Move mechanical equipment to Fort Avenue/North elevation
Keep electric meter in building interior
COVER PAGE
PROJECT INFO
SOLAR PERMIT PACKAGE
12.040 KW GRID
TIED PV SYSTEM
SHEET SIZE
11" X 17"
PROJECT #
DATE DRAWN
DRAWN BY
SHEET #
0
7/2/26
AMES
TITLE
REV DESCRIPTION DATE
NA
M
E
:
LU
Z
V
I
L
L
A
R
R
E
A
L
AD
D
R
E
S
S
:
1
B
L
O
C
K
H
O
U
S
E
S
Q
U
A
R
E
SA
L
E
M
MA
0
1
9
7
0
PV -
CONTRACTOR INFO
SOLGRID SOLAR
SOLGRID INC
45 DAN RD
CANTON
MA 92021
design@solgridsolar.com
1
GENERAL NOTES:
• THE CONTRACTOR/INSTALLER OF THE SOLAR PV SYSTEM
OVER EXISTING ROOF SHALL CONFORM TO OSHA
REQUIREMENTS DURING THE CONSTRUCTION PHASE.
• JOB SAFETY AND CONSTRUCTION PROCEDURES ARE THE
SOLE RESPONSIBILITY OF THE CONTRACTOR/INSTALLER.
• REFER TO ELECTRICAL DRAWING PV-4 FOR PANEL
DETAILED INFORMATION.
• IN CASE OF CONFLICT BETWEEN STRUCTURAL DRAWINGS
AND ELECTRICAL DRAWINGS, THE MOST RIGID
REQUIREMENTS SHALL GOVERN.
• THE CONTRACTOR/INSTALLER SHALL VERIFY ALL
EXISTING BUILDING INFORMATION SHOWN (DIMENSIONS,
ROOFTOP PROJECTIONS, ETC.) AND NOTIFY THE ENGINEER
OF ANY DISCREPANCIES PRIOR TO INSTALLATION OF THE
PV SYSTEM.
• THE CONTRACTOR/INSTALLER SHALL VERIFY AND
COORDINATE EXISTING OPENINGS, ROOFTOP UNITS, VENT
PIPES, ETC., SHOWN ON DRAWINGS. IF THERE IS A
DISCREPANCY BETWEEN DRAWINGS, IT IS THE
CONTRACTOR’S/INSTALLER'S RESPONSIBILITY TO NOTIFY
THE ENGINEER PRIOR TO PERFORMING THE WORK.
• ALL CONSTRUCTION IS TO BE PERFORMED IN STRICT
CONFORMANCE WITH ALL APPLICABLE TOWN, COUNTY, &
STATE REGULATIONS AND/OR ANY OTHER GOVERNING
BODIES.
• DO NOT SCALE THESE DRAWINGS. USE DIMENSIONS.
CONTRACTOR MUST CONDUCT ROOF SURVEY TO VERIFY
DIMENSIONS SHOWN ON PLAN PRIOR TO INSTALLATION. IF
THERE IS A DISCREPANCY, IT IS THE
CONTRACTOR'S/INSTALLER'S RESPONSIBILITY TO NOTIFY
THE ENGINEER IMMEDIATELY.
• LOCATED IN AREAS NOT REQUIRING PLACEMENT OF
GROUND LADDERS OVER OPENINGS SUCH AS DOORS OR
WINDOWS.
ELECTRICAL NOTES:
• ALL EQUIPMENT TO BE LISTED BY UL OR OTHER NRTL,
AND LABELED FOR ITS APPLICATION.
• ALL CONDUCTORS SHALL BE COPPER, RATED FOR 600 V,
90°C & 75°C WET ENVIRONMENT.
• WIRING, CONDUIT, AND RACEWAYS MOUNTED ON
ROOFTOPS SHALL BE ROUTED DIRECTLY TO, AND
LOCATED AS CLOSE AS POSSIBLE TO THE NEAREST RIDGE,
HIP, OR VALLEY.
• WORKING CLEARANCES AROUND ALL NEW AND EXISTING
ELECTRICAL EQUIPMENT SHALL COMPLY WITH CEC 110.26.
• DRAWINGS INDICATE THE GENERAL ARRANGEMENT OF
SYSTEMS. CONTRACTOR SHALL FURNISH ALL NECESSARY
OUTLETS, SUPPORTS, FITTINGS, AND ACCESSORIES TO
FULFILL APPLICABLE CODES AND STANDARDS.
• WHERE SIZES OF JUNCTION BOXES, RACEWAYS, AND
CONDUITS ARE NOT SPECIFIED, THE CONTRACTOR SHALL
SIZE THEM ACCORDINGLY.
• ALL WIRE TERMINATIONS SHALL BE APPROPRIATELY
LABELED AND READILY VISIBLE.
CODE INFORMATION:
2021 INTERNATIONAL BUILDING CODE
2021 INTERNATIONAL RESIDENTIAL CODE
2021 INTERNATIONAL EXISTING BUILDING CODE
2021 INTERNATIONAL MECHANICAL CODE
2021 INTERNATIONAL ENERGY CONSERVATION CODE
2021 INTERNATIONAL FIRE CODE
2023 NATIONAL ELECTRICAL CODE
PV SYSTEM SUMMARY:
(N) 28 - Q.TRON BLK M-G2.H+ (430W) - MODULES
(N) 28 - ENPHASE IQ8HC-72-M-DOM-US - MICRO-INVERTERS
(N) JUNCTION BOX
(E) 125A MAIN SERVICE PANEL WITH (E) 100A MAIN BREAKER
(N) 60A FUSIBLE AC DISCONNECT
(N) ENPHASE IQ COMBINER BOX 5
DESIGN CRITERIA:
ROOF TYPE: SHINGLE
FRAME: 2"X8" RAFTERS @ 16" O.C.
STORY: TWO STORIES
SNOW LOAD: 50
WIND SPEED: 119 MPH
WIND EXPOSURE: C
RISK CATEGORY: II
COORDINATE: 42.52621, -70.88026
PHOTOVOLTAIC ROOF MOUNT SYSTEM
LUZ VILLARREAL
1 BLOCK HOUSE SQUARE SALEM MA 01970
28 MODULES-ROOF MOUNTED - 12.040 kWDC
SHEET INDEX
VICINITY VIEW
AERIAL VIEW
COVER PAGE
SITE PLAN
ROOF PLAN
STRUCTURAL
ELECTRICAL SLD
LABELS
MICROINVERTER CHART
SPEC. SHEETS
PV-1.0
PV-2.0
PV-3.0
PV-4.0
PV-5.0
PV-6.0
PV-7.0
PV-8.0+
STRUCTURAL ONLY
07/09/2026
JB
MSPUM
ACD CB
1
8
"
F
I
R
E
P
A
T
H
W
A
Y
1
8
"
F
I
R
E
P
A
T
H
W
A
Y
1
8
"
F
I
R
E
P
A
T
H
W
A
Y
1
8
"
F
I
R
E
P
A
T
H
W
A
Y
18"
F
I
R
E
P
A
T
H
W
A
Y
18"
F
I
R
E
P
A
T
H
W
A
Y
EXISTING
DRIVEWAY
N
SITE PLAN
PROJECT INFO
SOLAR PERMIT PACKAGE
12.040 KW GRID
TIED PV SYSTEM
SHEET SIZE
11" X 17"
PROJECT #
DATE DRAWN
DRAWN BY
SHEET #
0
7/2/26
AMES
TITLE
REV DESCRIPTION DATE
NA
M
E
:
LU
Z
V
I
L
L
A
R
R
E
A
L
AD
D
R
E
S
S
:
1
B
L
O
C
K
H
O
U
S
E
S
Q
U
A
R
E
SA
L
E
M
MA
0
1
9
7
0
PV -
CONTRACTOR INFO
SOLGRID SOLAR
SOLGRID INC
45 DAN RD
CANTON
MA 92021
design@solgridsolar.com
2
SITE PLAN
SCALE: 1/16" = 1'-0"1
NOTE: * 3/4" OR GREATER IMC, RMC, FMC, LFMC, PVC,
HDPE, NUCC, RTRC, LFNC, FMT, ENT OR EMT CONDUIT
RUN EXPOSED CONDUIT RUN SHALL BE MIN. 7/8" ABOVE
ROOF. * ROMEX RUN INSIDE ATTIC
ALL ELECTRICAL EQUIPMENT, INVERTERS, DISCONNECTS,
MAIN SERVICE PANELS, ETC. SHALL NOT BE INSTALLED
WITHIN 3' OF THE GAS METERS’ SUPPLY OR DEMAND
PIPING.
LEGEND
(E) UTILITY METER
(E) MAIN SERVICE PANEL
(N) AC DISCONNECT
(N) IQ COMBINER BOX 5
(N) JUNCTIONS BOX
SETBACK
CONDUIT
MICROINVERTERS
UM
MSP
ACD
CB
JB
MODULE TYPE, DIMENSIONS & WEIGHT:
NUMBER OF MODULES = 28
MODULE TYPE = Q.TRON BLK M-G2.H+ (430W)
MODULE WEIGHT = 46.7 LBS.
MODULE DIMENSIONS = 5.64' X 3.72' = 20.98 SF
UNIT WEIGHT OF ARRAY = 2.23 PSF
5.64'
3.72'
PHOTOVOLTAIC SOLAR MODULE
Q.TRON BLK M-G2.H+ (430W)
ROOF ACCESS POINT SHALL BE LOCATED IN AREAS THAT
DO NOT REQUIRE THE PLACEMENT OF GROUND LADDERS
OVER OPENINGS SUCH AS WINDOWS OR DOORS, AND
LOCATED AT STRONG POINTS OF BUILDING
CONSTRUCTION IN LOCATIONS WHERE THE ACCESS
POINT DOES NOT CONFLICT WITH OVERHEAD
OBSTRUCTIONS SUCH AS TREE LIMBS, WIRES OR SIGNS.
(N) ENPHASE IQ COMBINER BOX 5(N) AC DISCONNECT
(E) UTILITY METER (E) MAIN SERVICE PANEL
ROOF 2
CONDUIT TO BE RUN ON THE WALL
(N) JUNCTION BOX
(N) ENPHASE IQ8HC-72-M-DOM-US
MICRO-INVERTERS
ARRAY AREA & ROOF AREA CALC'S
TOTAL ARRAY
AREA SQ.FT
587.46
TOTAL ROOF
AREA SQ.FT
TOTAL ROOF
AREA COVERED BY
ARRAY (%)
18.59 %3160.47
18.59 % (AREA OF ARRAY< 33% OF ROOF AREA)
ROOF 1
ROOF 3
ROOF 4
FRONT YARD
REAR YARD
BLOCK HOUSE SQUARE
(N) 3/4" OR GREATER EMT CONDUIT
RUN (7/8 INCHES ABOVE ROOF)
STRUCTURAL ONLY
07/09/2026
JB
MSPUM
ACD CB
1
8
"
F
I
R
E
P
A
T
H
W
A
Y
1
8
"
F
I
R
E
P
A
T
H
W
A
Y
1
8
"
F
I
R
E
P
A
T
H
W
A
Y
1
8
"
F
I
R
E
P
A
T
H
W
A
Y
18"
F
I
R
E
P
A
T
H
W
A
Y
18"
F
I
R
E
P
A
T
H
W
A
Y
N
PROJECT INFO
SOLAR PERMIT PACKAGE
12.040 KW GRID
TIED PV SYSTEM
SHEET SIZE
11" X 17"
PROJECT #
DATE DRAWN
DRAWN BY
SHEET #
0
7/2/26
AMES
TITLE
REV DESCRIPTION DATE
NA
M
E
:
LU
Z
V
I
L
L
A
R
R
E
A
L
AD
D
R
E
S
S
:
1
B
L
O
C
K
H
O
U
S
E
S
Q
U
A
R
E
SA
L
E
M
MA
0
1
9
7
0
PV -
CONTRACTOR INFO
SOLGRID SOLAR
SOLGRID INC
45 DAN RD
CANTON
MA 92021
design@solgridsolar.com
3
ROOF PLAN
SCALE: 1/16" = 1'-0"1
LEGEND
(E) UTILITY METER
(E) MAIN SERVICE PANEL
(N) AC DISCONNECT
(N) IQ COMBINER BOX 5
(N) JUNCTIONS BOX
SETBACK
CONDUIT
RAFTERS
ATTACHMENT
RAILS
UM
MSP
ACD
CB
JB
5.64'
3.72'
ARRAY AREA & ROOF AREA CALC'S
TOTAL ARRAY
AREA SQ.FT
587.46
TOTAL ROOF
AREA SQ.FT
TOTAL ROOF
AREA COVERED BY
ARRAY (%)
18.59 %3160.47
18.59 % (AREA OF ARRAY< 33% OF ROOF AREA)
PHOTOVOLTAIC SOLAR MODULE
Q.TRON BLK M-G2.H+ (430W)
ROOF MODULES ARRAY AREA ROOF AREA
ROOF AREA
COVERD
BY ARRAY %
SHINGLEROOF TYPE
ROOF DESCRIPTION
ROOF 1: 14 MODULES
AZIMUTH: 134.42° PITCH: 35.00°
(N) Q.TRON BLK M-G2.H+ (430W)
MODULES
ROOF PLAN
ROOF 2: 2 MODULES
AZIMUTH: 44.42°; PITCH: 36.00°
ROOF 3: 6 MODULES
AZIMUTH: 314.42°; PITCH: 36.00°
ROOF 4: 6 MODULES
AZIMUTH: 224.42°; PITCH: 36.00°
MAX SPACING BETWEEN TWO ATTACHMENTS: 48"
#1 14 293.73 664.93 44.17%
#2 2 41.96 427.78 6.31%
#3 6 125.88 618.35 18.93%
#4 6 125.88 423.48 18.93%
(N) ENPHASE IQ COMBINER BOX 5(N) AC DISCONNECT
(E) UTILITY METER (E) MAIN SERVICE PANEL
CONDUIT TO BE RUN ON THE WALL
(N) JUNCTION BOX
(N) 3/4" OR GREATER EMT CONDUIT
RUN (7/8 INCHES ABOVE ROOF)
STRUCTURAL ONLY
07/09/2026
PROJECT INFO
SOLAR PERMIT PACKAGE
12.040 KW GRID
TIED PV SYSTEM
SHEET SIZE
11" X 17"
PROJECT #
DATE DRAWN
DRAWN BY
SHEET #
0
7/2/26
AMES
TITLE
REV DESCRIPTION DATE
NA
M
E
:
LU
Z
V
I
L
L
A
R
R
E
A
L
AD
D
R
E
S
S
:
1
B
L
O
C
K
H
O
U
S
E
S
Q
U
A
R
E
SA
L
E
M
MA
0
1
9
7
0
PV -
CONTRACTOR INFO
SOLGRID SOLAR
SOLGRID INC
45 DAN RD
CANTON
MA 92021
design@solgridsolar.com
4
STRUCTURAL
B
7.0
1"
F
7.0
D
7.0
C
7.0
36.00°
IRONRIDGE RAIL
QUICKMOUNT HUG
H
7.4
J
7.4
PV MODULE FRAME
IRONRIDGE UNIVERSAL
FASTENING OBJECT
38"
PV MODULE FRAME
IRONRIDGE RAIL
IRONRIDGE UNIVERSAL
FASTENING OBJECT
PV MODULE FRAME
IRONRIDGE RAIL
IRONRIDGE END
IRONRIDGE RAIL 1"FASTENING OBJECT
PV MODULE
L
REFERENCE
CERT LETTER
GUIDELINES
E
7.0
G
7.0
J
7.4
IRONRIDGE UNIVERSAL
FASTENING OBJECT
IRONRIDGE END QUICKMOUNT HUG
FASTENING OBJECT
1"
PV MODULE FRAME
IRONRIDGE RAIL
IRONRIDGE END
FASTENING OBJECT
1"
Scale: 1"=1'-0"A PLAN VIEW, HUG RAFTER, PORTRAIT MODULE
Scale: 1"=1'-0"B SIDE VIEW, HUG RAFTER, PORTRAIT MODULE
Scale: 6"=1'-0"F DETAIL, END CLAMP (EFO) PLAN
Scale: 6"=1'-0"G DETAIL, END CLAMP (EFO) FRONT
Scale: 6"=1'-0"D DETAIL, MID CLAMP PLAN
Scale: 6"=1'-0"E DETAIL, MID CLAMP FRONT
Scale: 1"=1'-0"C FRONT VIEW, HUG RAFTER, PORTRAIT MODULE
STRUCTURAL ONLY
07/09/2026
M L
(E) 100A
(N) LINESIDE TAP VIA
LISTED CONNECTORS
(N) GROUNDING WIRE
#6 BARE COPPER
120V/240V, 60Hz
1-PHASE, 3-W,
UTILTY METER
METER NO# 12653524
(E) 125A MAIN SERVICE PANEL WITH
(E) 100A MAIN BREAKER
(E) 100A MAIN BREAKER
C
POWER LINE
COMMUNICATION
G
INV(N) 10 - Q.TRON BLK M-G2.H+ (430W)
MODULES
STRING 1
(N) 10 - ENPHASE IQ8HC-72-M-DOM-US
MICRO-INVERTRS
JUNCTION
BOX
(2) Q-CABLE
(1) PV #6 BARE CU GND
(N) 20A
(N) 20A
(N) 20A
(N) 15A
(N) ENPHASE
IQ GATWAY
(N) ENPHASE IQ
COMBINER BOX 5
G
INV(N) 9 - Q.TRON BLK M-G2.H+ (430W)
MODULES
STRING 2
(N) 9 - ENPHASE IQ8HC-72-M-DOM-US
MICRO-INVERTRS
INV(N) 9 - Q.TRON BLK M-G2.H+ (430W)
MODULES
STRING 3
(N) 9 - ENPHASE IQ8HC-72-M-DOM-US
MICRO-INVERTRS
A
G
WIRE SCHEDULE
WIRE
TAG CONDUIT WIRE
QTY
WIRE
GUAGE
WIRE
TYPE
TEMP.
RATING
WIRE
AMPACITY
TEMP.
DERATE
CONDUIT FILL
DERATE
DERATED
AMPACITY
INVERTER
QTY NOC CEC
CORRECTION
DESIGN
CURRENT
GROUND
SIZE
GROUND WIRE
TYPE
A MIN 3/4" EMT/PVC 6 THWN-2 90°40 0.91 0.8 29.12 10 1.58 1.25 19.75 10 AWG THWN-2
B MIN 3/4" EMT/PVC 3 THWN 75°65 0.88 1.0 57.20 28 1.58 1.25 55.30 6 AWG THWN
C --
6 AWG
10 AWG
MIN 3/4" EMT/PVC 3 THWN 75°65 0.88 1.0 57.20 28 1.58 1.25 55.306 AWG
(N) 60A FUSED VISIBLE-
BLADE AC DISCONNECT
WITH 60A FUSES
B G
N
NEUTRAL TO GROUND
BOUNDING
PROJECT INFO
SOLAR PERMIT PACKAGE
12.040 KW GRID
TIED PV SYSTEM
SHEET SIZE
11" X 17"
PROJECT #
DATE DRAWN
DRAWN BY
SHEET #
0
7/2/26
AMES
TITLE
REV DESCRIPTION DATE
NA
M
E
:
LU
Z
V
I
L
L
A
R
R
E
A
L
AD
D
R
E
S
S
:
1
B
L
O
C
K
H
O
U
S
E
S
Q
U
A
R
E
SA
L
E
M
MA
0
1
9
7
0
PV -
CONTRACTOR INFO
SOLGRID SOLAR
SOLGRID INC
45 DAN RD
CANTON
MA 92021
design@solgridsolar.com
5
LINE DIAGRAM
NOTE:
CONDUIT AND CONDUCTORS SPECIFICATIONS ARE BASED ON
MINIMUM CODE REQUIREMENTS AND ARE NOT MEANT TO LIMIT
UP-SIZING AS REQUIRED BY FIELD CONDITIONS.
ALL CONDUCTORS NOT UNDER ARRAY ARE TO BE IN CONDUIT
MINIMUM 7/8" ABOVE ROOF WITH PROPER JUNCTION BOX AT EACH
END PER 690.31A
SYSTEM SPECIFICATIONS:
SYSTEM TYPE: GRID-TIED
MOUNTING METHOD: ROOF MOUNT
MODULES: Q.TRON BLK M-G2.H+ (430W)
INVERTERS: ENPHASE IQ8HC-72-M-DOM-US _380 VA
TOTAL DC SYSTEM SIZE: 12.040 KW
TOTAL AC SYSTEM SIZE: 10.640 KVA
NUMBER OF MODULES: 28
NUMBER OF MICRO-INVERTERS: 28
SINGLE LINE DIAGRAM1
MANUFACTURER & MODEL NO. ENPHASE IQ8HC-72-M-DOM-US
INVERTER SPECIFICATION
MAX DC VOLT RATING 60V
MAX POWER AT 240W 380W
NOMINAL AC VOLTAGE 240V
MAX AC CURRENT 1.58A
MAX EFFICIENCY 97.3%
MANUFACTURER & MODEL NO. Q.TRON BLK M-G2.H+ (430W)
MODULE SPECIFICATION
VOC 39.32V
VMP 32.94V
ISC 13.74A
IMP 13.05A
STC RATING 430W
SERVICE FEED: OVERHEAD
NOTE: ALL CONSTRUCTION NEEDS TO ABIDE BY THE ESB 750 & ESB 756. INSTALLATIONS CANNOT INCLUDE
ANY KIND OF TAPS, METER COLLARS, OR ADAPTERS INSIDE NATIONAL GRID OWNED AND MAINTAINED
EQUIPMENT, METER SOCKETS, METER CABINETS, OR ANYWHERE THERE ARE UN-METERED CONDUCTORS.
ANY NEW METERING AND DISCONNECT EQUIPMENT WILL NEED TO BE GROUPED, POTENTIALLY LOCATED
OUTSIDE AND 24/7 LOCKABLE AND ACCESSIBLE, IN ACCORDANCE WITH ESB 7.1.1. ALL EQUIPMENT LOCATIONS
WILL NEED TO BE APPROVED BY NATIONAL GRID METERING DEPARTMENT PRIOR TO INSTALLATION.
07/09/2026
Proposed New Electrical Only
PROJECT INFO
SOLAR PERMIT PACKAGE
12.040 KW GRID
TIED PV SYSTEM
SHEET SIZE
11" X 17"
PROJECT #
DATE DRAWN
DRAWN BY
SHEET #
0
7/2/26
AMES
TITLE
REV DESCRIPTION DATE
NA
M
E
:
LU
Z
V
I
L
L
A
R
R
E
A
L
AD
D
R
E
S
S
:
1
B
L
O
C
K
H
O
U
S
E
S
Q
U
A
R
E
SA
L
E
M
MA
0
1
9
7
0
PV -
CONTRACTOR INFO
SOLGRID SOLAR
SOLGRID INC
45 DAN RD
CANTON
MA 92021
design@solgridsolar.com
6
LABEL
240
PHOTOVOLTAIC SYSTEM AC DISCONNECT
RATED AC OPERATING CURRENT AMPS
AC NOMINAL OPERATING VOLTAGE VOLTS
55.30A
IN CASE OF
EMERGENCY CALL
SOLGRID INC
617-704-3400LABEL LOCATION: AC DISCONNECT(S), PHOTOVOLTAIC SYSTEM POINT OF
INTERCONNECTION. PER CODE(S): NEC 2022: 690.54
LABEL LOCATION: SERVICE PANEL IF SUM OF BREAKERS EXCEEDS
PANEL RATING NEC 705.12 (B)(3)(4)
LABEL LOCATION: UTILITY SERVICE ENTRANCE/METER (WITHIN 3 FEET),
INVERTER/DC DISCONNECT IF REQUIRED BY LOCAL AHJ, OR OTHER
LOCATIONS AS REQUIRED BY LOCAL AHJ. PER CODE(S): NEC 2022:
690.56(C)(2)
1.NEC ARTICLES 690 AND 705 AND NEC SECTION R324 MARKINGS SHOWN
HEREON.
2.ALL MARKING SHALL CONSIST OF THE FOLLOWING:
A.UV RESISTANT SIGN MATERIAL WITH ENGRAVED OR MACHINE
PRINTED LETTERS OR ELECTRO-PLATING.
B.RED BACKGROUND COLOR WHITE TEXT AND LINE WORK.
C.AERIAL FONT.
3. ALL SIGNS SHALL BE SIZED APPROPRIATELY AND PLACED IN THE
LOCATIONS SPECIFIED. SIGNAGE CANNOT BE HAND-WRITTEN.
4. SIGNS SHALL BE ATTACHED TO THE SERVICE EQUIPMENT WITH
POP-RIVETS OR SCREWS.
LABEL LOCATION: POINTS OF CONNECTION/BREAKER
CODE: NEC 705.12(B)(3)(3)
LABEL LOCATION: AC DISCONNECT NEC 690.13(B)
LABEL LOCATION: MAIN PANEL (IF APPLICABLE). PER CODE(S):
NEC 2022: NEC 706.15 (C)(4) & NEC 690.13(B)
! WARNING
THIS EQUIPMENT FED BY
MULTIPLE SOURCES TOTAL
RATING OF ALL OVERCURRENT
DEVICES EXCLUDING MAIN POWER
SUPPLY SHALL NOT EXCEED
AMPACITY OF BUSBAR
RAPID SHUTDOWN SWITCH
FOR SOLAR SYSTEM
PV SYSTEM
DISCONNECT
POWER SOURCE
OUTPUT CONNECTION
DO NOT RELOCATE THIS
OVERCURRENT DEVICE
! WARNING
ELECTRICAL SHOCK HAZARD
TERMINALS ON LINE AND LOAD
SIDES MAYBE ENERGIZED IN
THE OPEN POSITION
! WARNING
PLACARD LOCATION:
MAIN SERVICE DISCONNECT / UTILITY METER
(PER CODE: NEC 690.13(B))
MAIN PHOTOVOLTAIC
SYSTEM DISCONNECT
LABEL LOCATION:
EMT/CONDUIT RACEWAYS
(PER CODE: NEC690.31(D)(2)
PHOTOVOLTAIC
POWER SOURCE
DUAL POWER SOURCE
SECOND SOURCE IS
PHOTOVIOLTAIC SYSTEM
! WARNING
LABEL LOCATION: POINT OF INTERCONNECTION PRODUCTION
METER NEC 705.12(B)(3)(3) & NEC 690.59)
SOLAR PV SYSTEM EQUIPPED
WITH RAPID SHUTDOWN
SOLAR ELECTRIC
PV PANELS
SECTION OF THE PV SYSTEM THAT
ARE NOT SHUTDOWN WHEN RAPID
SHUTDOWN SWITCH IS OPERATED
TURN RAPID SHUTDOWNSWITCH
TO THE "OFF" POSITION TO SHUTDOWN PV
SYSTEM AND REDUCE SHOCK HAZARD
IN THE ARRAY
SECTION OF THE PV SYSTEM THAT
ARE SHUTDOWN WHEN RAPID
SHUTDOWN SWITCH IS OPERATED
SOLAR PV SYSTEM EQUIPPED
WITH RAPID SHUTDOWN
SOLAR ELECTRIC
PV PANELS
SECTION OF THE PV SYSTEM THAT
ARE NOT SHUTDOWN WHEN RAPID
SHUTDOWN SWITCH IS OPERATED
TURN RAPID SHUTDOWNSWITCH
TO THE "OFF" POSITION TO SHUTDOWN PV
SYSTEM AND REDUCE SHOCK HAZARD
IN THE ARRAY
SECTION OF THE PV SYSTEM THAT
ARE SHUTDOWN WHEN RAPID
SHUTDOWN SWITCH IS OPERATED
07/09/2026
Proposed New Electrical Only
N
PROJECT INFO
SOLAR PERMIT PACKAGE
12.040 KW GRID
TIED PV SYSTEM
SHEET SIZE
11" X 17"
PROJECT #
DATE DRAWN
DRAWN BY
SHEET #
0
7/2/26
AMES
TITLE
REV DESCRIPTION DATE
NA
M
E
:
LU
Z
V
I
L
L
A
R
R
E
A
L
AD
D
R
E
S
S
:
1
B
L
O
C
K
H
O
U
S
E
S
Q
U
A
R
E
SA
L
E
M
MA
0
1
9
7
0
PV -
CONTRACTOR INFO
SOLGRID SOLAR
SOLGRID INC
45 DAN RD
CANTON
MA 92021
design@solgridsolar.com
7
MICROINVERTER
CHART
MICROINVERTER CHARTSTICKERS
1#
2#
3#
4#
5#
6#
7#
8#
9#
10#
11#
12#
13#
14#
15#
16#
17#
SR NO#SR NO#STICKERS
MICROINVERTER CHART
19#
20#
21#
22#
23#
24#
25#
26#
27#
28#
29#
30#
31#
32#
33#
34#
18#
35#
36#
37#
38#
39#
40#
41#
42#
43#
44#
45#
46#
47#
48#
49#
50#
51#
52#
54#
55#
56#
57#
58#
59#
60#
61#
62#
63#
64#
65#
66#
67#
68#
69#
53#
70#