INSTALLATION INSTRUCTIONS FOR
MARSHALL-DEKALB ELECTRIC COOPERATIVE
MOBILE HOME OVERHEAD SERVICE
05-18-2004
WIRE GUIDELINES CHART-MOBILE HOMES
DISCONNECT
COPPER WIRE
ALUMINUM WIRE
CONDUIT SIZE
100 AMP
#2
#2
1 1/4"
200 AMP
3/0
4/0
2"
EQUIPMENT GROUND
#6
MOBILE HOME CHECKLIST
#4
MDEC DOES NOT ALLOW ANY TYPE OF METER BASE
TO BE MOUNTED ON THE SIDE OF THE MOBILE HOME
WEATHERHEAD
IS THERE AN OUTSIDE DISCONNECT ADJACENT TO THE
METER BASE RATED FOR MAIN BREAKER INSIDE MOBILE HOME
MIN. 18" LEADS OUT
OF WEATHERHEAD
IS THERE A FOUR WIRE SERVICE FROM THE
DISCONNECT INTO THE MOBILE HOME (EQUIPMENT GROUND)
CLAMPS
IS THE POLE AT LEAST 16 FEET TALL
AND AT LEAST FIVE INCHES IN DIAMETER?
OR, IS THE POLE 16 FEET AND AT LEAST
SIX BY SIX PRESSURE TREATED?
HUB WITH RAINTIGHT ADAPTER
12'-0"
OR PVC MALE ADAPTER
SERVICE ENTRANCE CABLE (GRAY INSULATION)
IS THE POLE SET AT LEAST FOUR FEET
OR STRANDED INSULATED CONDUCTORS
IN SCHEDULE 40 PVC CONDUIT
MOBILE HOME
INTO THE GROUND?
IS THE POLE SET SO THAT THE WIRES TO
THE WEATHER HEAD DO NOT CROSS THE ROOF
MAIN DISCONNECT/METER BASE AMPERAGE
OF THE MOBILE HOME?
EQUIVALENT TO SWITCH BOX
INSIDE MOBILE HOME
5'-6"
ARE THE METER BASE AND DISCONNECT
MOUNTED ON PRESSURE TREATED MATERIAL?
16' TREATED CREOSOTE POLE
No. 4 (Minimum) COPPER GROUNDWIRE
FROM GROUND ROD INTO DISCONNECT
MAIN PANEL
ARE THE METER AND DISCONNECT
INSIDE MOBILE HOME
MOUNTED WITH TWO-INCH LAG BOLTS?
ARE THE WIRES IN CONDUIT AT ALL POINTS
SCHEDULE 40 PVC CONDUIT
ALL THE WAY TO MAIN
THAT THEY ARE ABOVE THE GROUND?
INSIDE MOBILE HOME
NOTE: DO NOT USE SHIELDED ENTRANCE
CABLE IN CONDUIT (GRAY INSULATION)
30'-0" MAXIMUM DISTANCE FROM MOBILE HOME
IS THE WIRE APPROVED FOR UNDERGROUND SERVICE?
NOTE: DO NOT USE SHIELDED ENTRANCE CABLE
GROUND LEVEL
4'-0"
GROUND CLAMP
FOR DIRECT BURIAL
24"
EQUIPMENT GROUND MARKED WITH GREEN
MINIMUM #6 COPPER OR #4 ALUMINUM
GROUND ROD 5/8" x 8'-0"
USE PENATROX OR OXYGUARD ON ALL
ALUMINUM CONNECTIONS
USE DIRECT BURIAL TYPE CABLE WITH 4th WIRE GROUND
TYPICAL SERVICE MAST INSTALLATION
05-18-2004
100 AMP - #2 SINGLE INSULATED COPPER
WEATHERHEAD
OR #2 INSULATED ALUMINUM
200 AMP - 3/0 INSULATED COPPER
OR 4/0 INSULATED ALUMINUM
#4 BARE COPPER
SHEET METAL FLASHING
BOLTS THRU STUD
2" RIGID CONDUIT
12'-0" MIN.
ABOVE GROUND
ELECTRICAL PANEL
SITE
METER SOCKET
BUILT
STUCTURE
CHECKLIST
DOES THE CONDUIT FOR THE
SERVICE EXTEND AT LEAST
18" ABOVE THE ROOF?
IF THE CONDUIT EXTENDS
CONTINUE
ABOVE THE ROOF, IS IT
CONDUIT TO
GALVANIZED CONDUIT?
SWITHCHBOX
OR USE SHIELDED ENTRANCE CABLE
GROUND WIRE
(GRAY INSULATION)
#4 BC
IN CONTINUOUS LENGTH
NOTE:
IF THE CONDUIT DOES NOT
5'-6"
UP TO WEATHERHEAD
DO NOT INSTALL
EXTEND ABOVE THE ROOF, HAS
A EYEBOLT BEEN INSTALLED
THROUGH A FRAMING MEMBER?
IF THE CONDUIT RISER HAS A
SPLICE, DOES THE SPLICE
SHIELDED ENTRANCE CABLE
OCCUR WITHIN FOUR FEET OF
(GRAY INSULATION) IN CONDUIT
THE METER BASE?
GROUND ROD CLAMP
GROUND LEVEL
IS THE METER BASE INSTALLED SO THAT
THE WIRES TO THE WEATHER HEAD DO NOT
CROSS THE ROOF
GROUND ROD, 5/8" X 8' GALV.
IS THE METER BASE INSTALLED AT THE
CORRECT HEIGHT - 5 1/2 FEET
USE PENATROX OR OXYGUARD ON ALL
ALUMINUM CONNECTIONS
TEMPORARY SERVICE (240 VOLTS)
RESIDENTIAL CONSTRUCTION
WEATHERHEAD
100 AMP. No. 2 SINGLE CONDUCTOR
INSULATED COPPER OR #2 ALUMINUM
EQUIVALENT.
200 AMP. #3/0 SINGLE CONDUCTOR
INSULATED COPPER OR #4/0 ALUMINUM
EQUIVALENT.
SE CABLE STRAPS
TEMPORARY POLE
CHECKLIST
IS THE POLE AT LEAST 16 FEET TALL
AND AT LEAST FIVE INCHES IN DIAMETER?
OR, IS THE POLE 16 FEET AND AT LEAST
SIX BY SIX PRESSURE TREATED?
RE O
YWI
IS THE POLE SET AT LEAST FOUR FEET
INTO THE GROUND?
IS THE RECEPTACLE A GROUND FAULT
INTERRUPT TYPE, OR IS IT FED BY A
GROUND FAULT INTERRUPT BREAKER?
IS THE RECEPTACLE IN A WEATHERPROOF
BOX?
SE CABLE
" GU
12'-0"
R BR
ACE
NOTE: OPTION IS 5' GAL.
OR AL. CONDUIT WITH CONDUIT
STRAPS CONTAINING WIRE
FROM METER SOCKET TO WEATHERHEAD.
12'-0
ARE THE WIRES FROM THE RECEPTACLE
TO THE DISCONNECT RUN IN CONDUIT?
6'-0" MAX.
METER SOCKET AMPERAGE EQUIVALENT TO
SWITCH BOX.
SWITCH BOX (AMPERAGE DETERMINATION
ACCORDING TO USE. MIN. 60 AMPS.)
5'-0" MIN.
DUPLEX OUTLETS W/GFI
16' TREATED CREOSOTE POLE
No. 4 (MIN.) COPPER GROUNDWIRE FOR 100 AMP
SERVICE. No. 2 COPPER FOR 200 AMP.
GROUND LEVEL
GROUND CLAMP
4'-0"
GROUND ROD 5/8" x 8'-0"
IS THE POLE BRACED PROPERLY
UNDERGROUND SERVICE TO
MOBILE HOME CHECKLIST
MDEC DOES NOT ALLOW ANY TYPE OF METER BASE
TO BE MOUNTED ON THE SIDE OF THE MOBILE HOME
IS THERE AN OUTSIDE DISCONNECT ADJACENT TO THE
METER BASE RATED FOR MAIN BREAKER INSIDE MOBILE HOME
05-18-2004
UNDERGROUND PEDESTAL INSTALLATION
FOR MOBILE HOMES
MARSHALL-DEKALB ELECTRIC COOPERATIVE
WIRE GUIDELINES CHART FOR MOBILE HOMES
DISCONNECT
#2
#2
1 1/4"
3/0
4/0
2"
#6
#4
1/2" PLYWOOD
UNDERGROUND METER BASE
OR UNDERGROUND POWER PANEL
DISCONNECT
SIZE DEPENDS ON MAIN BREAKER
INSIDE MOBILE HOME
NOTE #2:
5'-6"
#4 BARE COPPER
GROUND WIRE
6" X 6"
TREATED POST
GROUND LEVEL
NOTE #3
SHIELDED ENTRANCE CABLE
(GRAY INSULATION)
CAN NOT BE USED WITH
CONDUIT AND CAN NOT
BE DIRECT BURIED
24"
CUSTOMER
TO OPEN
DITCH
TO MDEC POLE
MDEC WILL PROVIDE
CONDUIT FROM POLE
INTO METER BASE
SEE MDEC FOR COST ESTIMATE
225' MAXIMUM LENGTH
ARE THE METER BASE AND DISCONNECT
MOUNTED ON PRESSURE TREATED MATERIAL?
ARE THE METER AND DISCONNECT
MOUNTED WITH TWO-INCH LAG BOLTS?
ARE THE WIRES IN CONDUIT AT ALL POINTS
THAT THEY ARE ABOVE THE GROUND?
NOTE: DO NOT USE SHIELDED ENTRANCE
CABLE IN CONDUIT (GRAY INSULATION)
CONDUIT SIZE
200 AMP
METER BASE/DISCONNECT
CAN NOT BE MOUNTED ON
THE SIDE OF MOBILE HOME
CUSTOMER MUST PROVIDE
SPACE FOR MDEC TO
INSTALL CONDUIT IN
LEFT HAND SIDE OF
METER BASE
ALUMINUM WIRE
IS THE PEDESTAL SET SO THAT THE UNDERGROUND
SERVICE IS IN A STRAIGHT LINE FROM THE MDEC POLE
AND DOES NOT GO UNDERNEATH ANY PART OF MOBILE HOME
IS THE WIRE APPROVED FOR UNDERGROUND SERVICE?
NOTE: DO NOT USE SHIELDED ENTRANCE CABLE
FOR DIRECT BURIAL
100 AMP
EQUIPMENT GROUND
NOTE #1:
COPPER WIRE
IS THERE A FOUR WIRE SERVICE FROM THE
DISCONNECT INTO THE MOBILE HOME (EQUIPMENT GROUND)
SCHEDULE 40 PVC CONDUIT
ALL THE WAY TO MAIN
INSIDE TRAILER
5/8" X 8 FT GROUND ROD
& CLAMP
GROUND LEVEL
30'-0" MAXIMUM DISTANCE FROM MOBILE HOME
USE DIRECT BURIAL TYPE CABLE WITH 4th WIRE GROUND
EQUIPMENT GROUND MARKED WITH GREEN
MOBILE HOME
MAIN
INSIDE MOBILE HOME
MARSHALL DeKALB
WILL MAKE THESE
CONNECTIONS
200 AMP UNDERGROUND METER BASE CONNECTIONS
05-18-2004
NOTE #1:
USE PENATROX
ON ALL ALUMINUM
CONNECTIONS.
HOT LEG CONNECTIONS
INTO STUCTURE / DISCONNECT
NOTE #2:
DO NOT INSTALL
SHIELDED ENTRANCE
CABLE IN CONDUIT
(GRAY INSULATION)
CONDUIT W/WIRE
OR SERVICE ENTRANCE
CABLE W/CONNECTOR
4/0 ALUMINUM
OR 3/0 COPPER
NEUTRAL CONNECTION
INTO STRUCTURE / DISCONNECT
SAME SIZE OR 1/2
SIZE OF HOT LEG
CONNECTIONS.
2" PVC
MALE ADAPTER
( MDEC WILL PROVIDE )
MUST PROVIDE SPACE
FOR MDEC TO INSTALL
CONDUIT IN LEFT HAND SIDE
OF METER BASE/POWER PANEL
2" PVC CONDUIT
( MDEC WILL PROVIDE )
#4 SOLID BARE COPPER
TO GROUND ROD
200 AMP OVERHEAD INSTALLATION
05-18-2004
WIRE GUIDELINES CHART
DISCONNECT
NOTE #1:
USE PENATROX ON
ALL ALUMINUM CONNECTIONS.
COPPER WIRE
ALUMINUM WIRE
CONDUIT SIZE
100 AMP
#2
#2
1 1/4"
200 AMP
NEUTRAL
GROUND
3/0
4/0
2"
1/2 SIZE OF HOTLEG
#4 BARE COPPER
1/2 SIZE OF HOTLEG
2" RIGID CONDUIT METALLIC
NOTE #2:
DO NOT INSTALL SHIELDED
ENTRANCE CABLE IN CONDUIT
(GRAY INSULATION)
HOT LEG CONNECTIONS
UP TO WEATHERHEAD
#4 BARE COPPER IN
CONTINUOUS LENGTH
UP TO WEATHERHEAD
NEUTRAL CONNECTION
UP TO WEATHERHEAD
NEUTRAL CONNECTION
INTO HOUSE / DISCONNECT
HOT LEG CONNECTIONS
INTO HOUSE / DISCONNECT
#4 BARE COPPER
TO GROUND ROD
UNBROKEN FROM
GROUND ROD TO WEATHERHEAD
MARSHALL-DeKALB ELECTRIC COOPERATIVE
RESIDENTIAL UNDERGROUND SERVICE REQUIREMENTS
200 AMP
05-18-2004
NOTE #1:
MAXIMUM LENGTH OF UNDERGROUND SERVICE
IS 225 FEET. ANY SERVICE OVER THIS LENGTH
WILL BE THE RESPONSIBILITY OF THE CUSTOMER
TO INSTALL.
****MUST MEET MDEC SPECS****
SITE BUILT STRUCTURE CHECKLIST
IF THE SERVICE IS GOING TO
BE UNDERGROUND:
IS THE METER BASE FROM
MDEC?
HAVE PORTIONS OF THE
FOUNDATION BEYOND THE
EXTERIOR WALL BEEN
REMOVED?
NOTE #2:
DITCH OPENING TO BE CLEAR
OF ROOTS AND OTHER OBSTRUCTIONS.
CUSTOMER MUST OPEN DITCH
24 INCHES IN DEPTH
CONDUIT W/WIRE
OR SERVICE
ENTRANCE CABLE
W/CONNECTOR
4/0 ALUM. OR
3/0 COPPER
IS DITCH CLEAR OF ALL OBSTUCTIONS,
TREE ROOTS, ETC.
200 AMP
METER BASE
5'-6"
MDEC POLE
#4 SOLID
BARE COPPER
2" PVC
CONDUIT
MDEC WILL
PROVIDE
DEEP
DITCH
GROUND LEVEL
2'-0"
GROUND LEVEL
MAXIMUM LENGTH 225 FEET
2" SWEEP
PVC ELL
MDEC WILL
PROVIDE
5/8" X 8'-0"
GROUND ROD
6"
MIN.
DITCH
WIDTH