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R19269/5/0712:10 PMPage 26Overhead Service DetailsCustomer Service Pole and Outdoor FittingUNDERGROUND SERVICEItems to consider If your trenching route hasto be dug by hand, or if a cablemust be installed under apaved surface, additionalcharges apply. If your service cable has tobe moved later to make roomfor a new swimming pool,patio, deck, etc., new chargesapply. Plan ahead! Underground cable will beburied only in a ComEdeasement or in the propertythat it serves. Additionalcharges apply if yoursecondary service cable routeis longer than 100feet. To avoid additional ComEdcharges - a customer can perform the following: can digtheir own trench, can installtheir own cable per municipality requirements - note thecustomer will then own andmaintain the cable, can complete their own boring workper municipality requirements, and can dig their ownsplice pits.24 There will be charges fromComEd if you convert fromoverhead to undergroundservice. You are responsible formaking or exposing underground sprinkler systems,private wiring, sewers, draintiles, etc. The trench route mustbe within 4 inches of finalgrade and clear of all obstacles (sheds, swing sets,tree stumps, landscaping,fencing, etc.). Generally, restoration oflandscaping is the customer’sresponsibility. Conduit may be requiredunder roads/pavement or bythe municipality.29

R19269/5/0712:10 PMPage 25Underground ServiceOverhead Service DetailsSteel Conduit RiserCustomer furnishes, installs and maintains:1 D-----C1/Service head2 Service run wires(allow a minimum of 18 in. beyond the service head tomake connections to service drop wires)3Service attachment4 Rigid steel conduit(2-1/2 in. for 100 ampere or smaller, or 3 in. forlarger service entrance equipment)/Di\52 in. x 4 in. blocking, solidly installed between rafters6Mounting clamp with 1/2 in. bolts, nuts and washers7Steel Conduit reducer8CECHA Meter fittingI,lD, , ComEd furnishes, installs and maintains:9Service drop dead-endConnectors for connecting customer’s wiresto service drop1011MeterPedestal,/Note:!i:.c JLII .JI:, I wke\ lTranlformerAll metal parts exposed toweather shall be hot galvanized or non-ferrous.\Meter \/f--------- 30I23

R19269/5/0712:09 PMPage 24Overhead Service DetailsSteel Conduit RiserGlossary of TermsUnderground Equipment Meter – a device that measures the amountof electricity used by a customer.12Upper protective cover – of the meter fitting3Grounding connection.4Grounding electrode (ground rod).5 Disconnecting means – the main breaker,fuse box or breaker panel inside your home.6 Water pipe grounding connection – a safetyconnection to provide an electrical path to ground.Conduit – PVC pipe in which the service cable is installed.Must be a mimimum of 3 in. schedule 40 or per local code.7Notes:See pages 26-28 for important clearances which mustbe observed.Check local codes forrequirements, such as conduitrequirements.For grounding reference,see page 47.22 31

R19269/5/0712:09 PMPage 23Underground MeteringUnderground Meter Fitting and RacewayOverhead Service DetailsWood RiserCustomer furnishes, installs and maintains:1Service head2Service run3 Service run wires(allow a minimum of 18 in. beyond the service head tomake all connections to service drop wires)44 in. x.4 in. or 6 in. x 6 in. preservative treated wood post52 in. x 4 in. blocking solidly installed between rafters6 5/8 in. galvanized mounting bolts(with nuts and washers)D7CECHA Meter fitting8Service attachment ComEd furnishes, installs and maintains: 329Service drop dead-end10Connectors for connecting customer wires to service drop11Meter21

R19269/5/0712:09 PMPage 22Overhead Service DetailsWood RiserUnderground MeteringUnderground Meter Fitting and RacewaySingle-Phase, Three-Wire 120/240 or120/208 Volts, 200 Amps Maximum RatingCustomer furnishes, installs and maintains: 1 Single position combination meter fitting and raceway(200 amps maximum per meter position)2Meter socket load wire terminals3Neutral terminal4 Fifth terminal with potential tap ( # 12 copper wire orequivalent) from neutral terminal (120/208 volt service only)5Ground connection per local code6 Compression lug connectors for phase and neutralcables**7Horn type bypassComEd usually furnishes, installs and maintains: 8 Underground secondary service cables(slack in cables of at least 12 in. must be provided)ComEd furnishes, installs and maintains: 9MeterNotes:*See pages 39 and 43 forsome exceptions.Raceway also available withfactory installed main circuitbreaker.Meter fittings must be CECHAapproved.20**Customer to install lugsonly when secondary servicecables are provided by thecustomer.For overhead to undergroundinstallations, ComEd willsupply cable protection onpole at customer’s expense. 33

R19269/5/0712:09 PMPage 21Underground MeteringClass 320 Meter Fitting and RacewayOverhead Service AttachmentRoof PlateCustomer furnishes, installs and maintains:1(Covers Removed)(Covers & Meter Installed) Oo---··-2 Service head(if the service run extends through the roof, the service headshall be so located that it is 6 in. on either side of the servicedrop and extends 18 in. above the roof.)3Service run wires(allow a minimum of 18 in. beyond the service head tomake connections to service drop wires)ComEd furnishes, installs and maintains:5Final Grade-- o 34,Service run40IIIIIIIIRoof plateService drop dead-end6 Connectors for connecting customer’s wires toservice drop/19

R19269/5/0712:09 PMPage 20Overhead Service AttachmentRoof PlateUnderground MeteringClass 320 Meter Fitting and RacewaySingle-Phase, Three-Wire 120/240400 Amps maximum ratingCustomer furnishes, installs and maintains: 1 Combination meter fitting and raceway withlever-actuated bypass2Compression lug connectors for load conductors3Neutral terminal4Ground connection, per local codeComEd usually furnishes, installs and maintains: 5 Underground secondary service cables withcompression lug connectors. Slack in cables of at least12 in. must be providedComEd furnishes, installs and maintains: 6MeterNote:*See pages 39 and 43 forsome exceptions.Raceway also available withfactory installed main circuitbreaker.For overhead tounderground installations,ComEd will supply cableprotection on pole at customer’s expense.Meter fittings must be CECHAapproved.18 35

R19269/5/0712:09 PMPage 19Underground MeteringMeter Connection for Mobile HomeOverhead Service AttachmentFork Bolt and I-PlateCustomer furnishes, installs and maintains:Service head2Service run3 Service run wires(allow a minimum of 18 in. beyond the service head tomake connections to service drop wires)u--0 ----1- 4Service attachmentDComEd furnishes, installs and maintains:Final Grade5Service drop dead-end6Connectors for connecting customer wires to service dropFor an existing structure where it is impractical to installa fork bolt, the customer should install an I-plate.7I-plate8Customer to securely install I-plate9Service wire34"Min.10 A 4 in. to 18 in. clearance (in any direction) must bemaintained between the service head and the center ofthe service attachment'Free-standing, remote from mobile homeConcrete AnchorNote:. .-.,.·.· - 9" Min --- -:.: . .·Sabi;: ] IN,.l "M"m./'.IS"Min. ""' 4-1/4" Min. 36 12"Min.Under no circumstancesshall a service attachment bemade to a parapet or achimney. The service headand attachment shall belocated so that:a.) The exposed wires willadequately clear all buildingcomponents including downspouts, gutters, etc., andb.) The wires will be out ofreach from windows, porches, or any other parts of thebuilding that are accessible tothe occupants or the public.17

R19269/5/0712:09 PMPage 18Overhead Service AttachmentUnderground MeteringMeter Connection for Mobile HomesFork BoltSingle-Phase, Three-Wire 120/240 or 120/208Volts, 200 Amperes Maximum RatingCustomer furnishes, installs and maintains: 1 Combination meter fitting, raceway and pedestal(200 amperes maximum)2Meter connection device3Enclosure for disconnecting device and receptacles4Block for terminating secondary service cables5 Conductors or bus extending from terminating blockto meter socket line terminals6 Stabilizer foot (#10 gauge metal) or9 in. x 12 in. x 15 in. concrete anchor7Ground connection, per local codeComEd usually furnishes, installs and maintains: 8 Underground secondary service cables with compressionlug connectors. Slack in cables of at least 12 in. must beprovidedI-PlateComEd furnishes, installs and maintains: 9MeterNote:Raceway also available withfactory installed main circuitbreaker.Meter fittings must be CECHAapproved.16For overhead to undergroundinstallation, ComEd will supply cable protection onpole at customer’s expense. 37

R19269/5/0712:09 PMPage 17Underground ServiceCustomer’s Cable PoleOverhead MeteringSelf-Contained Outdoor Class 320Single Position Meter FittingSingle-Phase, Three-Wire 120/240 Volts16"Js"Max.Customer furnishes, installs and maintains:1 Meter connection device with lever actuated bypass(320 amperes maximum)2Conduit and conductors (line)3Conduit and conductors (load)4Ground connection per local code5Insulated metallic bushing on line and load conduits6Compression lugs for line and load conductors6"7Neutral terminal6"8Bypass armS'Max.ServiceConnection(Not available for 120/208 Volts Service) 3815

R19269/5/0712:09 PMPage 16Overhead MeteringSelf-Contained Meter FittingUnderground ServiceCustomer’s Cable PoleSingle Phase, Three-Wire 120/240or 120/208 VoltsCustomer’s Cable Pole With UndergroundSecondary Service ConnectionCustomer furnishes, installs and maintains:Customer furnishes, installs and maintains:1Meter fitting (200 amperes maximum)2Conduit and conductors of service run (line)3Conduit and conductors of service run (load)4Ground connection per local code5Insulated metallic bushing on line and load conduits6Neutral terminal7 Fifth terminal with potential tap (#12 copper wire orequivalent) from neutral terminal (120/208 volt service only)Horn type bypass (so the service will not beinterrupted when a meter is removed from the socket) 1 Treated pole (Minimum requirements: Class #7, length25 ft.). Customer shall consult ComEd for minimum settingdepth for the class and length of pole installed.2Galvanized rigid metal conduit3Conduit bushing (if buried portion of cable is not in duct)4Galvanized conduit straps and/or lag screws as requiredInstallation of Customer’s Cable Pole andUnderground Secondary Service Connection8Customer furnishes, installs and maintains: Ground rod, conductor and clamps for grounding metallicconduit on pole56 Outdoor adapter coupling for metallic to non-metallicconduit (Conduit bushing to be installed if “U” guard is usedabove first 10 ft. section)7Non-metallic rigid conduit or “U” guard8Cable support9 Cable in conduit. Cable to extend beyond conduitwith enough extra to make connections on pole10Sealing compound11CECHA Meter fitting12Fork boltComEd furnishes, installs and maintains: Note:Only meter connectiondevices labeled by the manufacturer with the letters1413Service drop dead-end14Connectors for connecting customer cable15Service drop cable16Meter“CECHA” are approvedfor use in the ComEdservice area. 39

ComEd usually furnishes, installs and maintains: 8. Underground secondary service cables with compression lug connectors. Slack in cables of at least . 12 in. must be provided . ComEd furnishes, installs and maintains: 9. Meter . Note: Raceway also available with For overhead to underground factory installed main circuit installation, ComEd .