[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-650499-105":3,"detail-sidebar-cat-0-en-105":80,"doc-detail-650499-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":73,"head_meta":75,"extra_data":77,"updated_unix":79},105,"en","sr-424-detail-for-primary-metered-service-in-remote-metering-cabinet-201a-800a","SR-424 - Detail For Primary Metered Service In Remote Metering Cabinet 201A-800A","","Provides engineering and installation details for a primary metered service using remote metering cabinets (model 201A-800A) for single-customer metering with CTs and PTs. Specifies enclosure door locking and padlock requirements, meter panel and conduit routing limits, CT junction box sizing and identification plate text, and PT safety switch configuration for three-phase operation. Includes general construction notes, wiring and communications conduit requirements, and guidance for telephone circuits and raceway installation standards, revision metadata, and effective date information.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/research-report/","Research & Report",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/sr-424-detail-for-primary-metered-service-in-remote-metering-cabinet-201a-800a/650499/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/sr-424-detail-for-primary-metered-service-in-remote-metering-cabinet-201a-800a/650499.png","ImageObject",300,407,{"name":42,"@type":43},"Pentious","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-10-24",true,{"@type":52,"interactionType":53,"userInteractionCount":26},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What enclosure door and locking requirements apply to the metering cabinet?","Question",{"text":62,"@type":63},"The enclosure door must include a device to secure it open at 90° or more, and it must be secured closed using a handle-operated latching mechanism that is lockable with a padlock having a 5/16\" lockshaft.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"How should the metering conduit be routed and limited in length and bends?",{"text":67,"@type":63},"Metering conduit must enter through the bottom and be installed behind the hinged meter panel without interfering with test switches. It must not exceed three 90° bends or sweeps, and maximum length limits apply: up to 90 ft cannot exceed 120 ft, with minimum conduit diameters of 1-1/4\" (up to 90 ft) and 2\" (over 90 ft up to 120 ft). A pull wire is required.",{"name":69,"@type":60,"acceptedAnswer":70},"What are the PT secondary safety switch specifications and related conduit routing?",{"text":71,"@type":63},"A three-phase safety switch is installed on the 120V (secondary) side of each set of PTs and must include a ground bus for X2 connections. Conduit must run from the PTs to the safety switch and then to the metering enclosure, with watertight hubs sized for the required conduit.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},650499,1792830109,{"code":4,"msg":81,"data":82},"success",[83,87,91,95,100,105,110,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & 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metered equipmentusing CT's &PT's.  \nFront Vlew  \nSide View  \nTop View  \n# Notes:\n\n1.Enclosure door shall be:  \na.Equipped with a device to secure the door in the open position at 90°or more.  \nb.Secured in the closed position with a handle operated latching mechanism,and lockable with a padlock having a5/16\"lockshaft.  \n2.For meter panel requirements,see Drawing 333.  \n\n| Tucson  \u003Cbr>Electric  \u003Cbr>Power   | UnISourceEnergy  \u003Cbr>Servlces  \u003Cbr>SANTACRUZCOUNTY   | INITIATED BY   | GC   | REVISION NO.   | 0   | SR-424  \u003Cbr>Pg.1 of 2   |\n| --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  | STANDARDS COMM.   | 7-06   |  |\n|  |  | ESRB COMM.   | 6-06   |  |  |  |\n|  |  |  |  | EFFECTIVE DATE   | 7-06   |  |\n\nDETAIL FOR PRIMARY METERED SERVICE INAREMOTE METERING CABINET 201A-800A  \n# General Notes\n\n1.A separate metering enclosure shall be installed near the Primary Dead End structure,underground equipment cabinet,oras indicated on the TEP Construction drawing.  \n2.Condult for the meterlng wlrlng from the current and potentlal transformers(Junctlon Box/Safety Swltch to the meterenclosure)shall enter the meter enclosure through the bottom and shall be installed behind the hinged meter panel.Conduit shall not interfere with the operation of the test switches or the hinged meter panel.The metering conduit shallnothave more than three 90 degree bends or sweeps and shall not exceed 120ft in maximum length for lengths up to 90ft,conduit must be a minimum of 11/4\"in diameter,and for lengths over 90ft up to 120ft conduit must be a minimum of 2\"indiameter.A pull wire must be installed in conduit.Accessible and sealable pulling junctions are allowable if needed.  \n3.A CT junction box(es)rated NEMA 4Xenclosures sized 12\"x12\"x6\"with a back panel shall be installed near the instrumenttransformers.The junction box for the CT's shall be installed on the steel structure that the CT's are mounted.Conduitfrom the CT's shall run to the junction box and from the junction box to the metering enclosure.The enclosures shall havea latching system that will llow padlocking and the installation of metering seals.Each enclosure shall have a stainlesssteel identification plate mechanically fastened to the door.The plate shall have one line of text.Line 1 shall read \"TEPMETERING\"in block lettering.  \n4.A three-phase safety swltch shall be Installed on the 120V slde (secondary)of each set (3)of PT's.The safety swltch shallhave a ground bus included for connection of the X2 connections.Conduit from the PT's shall run to the safety switch andfrom the safety switch to the metering enclosure.  \n# Safety Switch Specification for PT secondary\n\nSquare D Heavy Duty Safety Swltch,240V,fuslble,Cat\\#H221DS(30A,2 wlre-2 blades and fuseholders,NEMA 4,304Stainless Steel)or Cat \\#H321DS(30A,3 wire-3 blades and fuseholders,NEMA4,304 Stainless Steel).With a NeutralAssembly Cat\\#SN03 and a ground kit Cat\\#GTK03.  \nSafety Switch watertight hubs (one for the top and/or one for the bottom)for the conduit size required:  \nCondult  \nSize  \nCat\\#  \n1/2\"    H050  \n3/4\"    IHO75  \n1\"H100  \n11/4\"   H125  \n5.New metering enclosures and equipment shall be installed as per TEP standard SR-431,and SR-430.The meteringenclosure shall be constructed as per SR-438(Figure 2,EUSERC DWG 333)and EUSERC DWG 338.Enclosure to containtwo(2)form 9S meter sockets,two(2)Removable\"I\"Plates and two (2)test switches.Test switches shallbe Milbank Cat\\#TS10-0016 and cover Mllbank Cat\\#K3388-BLK-FL as per TEP standards SR-430 note 5 or exact equlvalent must beprovided.Meter sockets shall be 13 terminal sockets.The door of the enclosure shall have a three point padlockable doorlatch mechanism to hold the door closed and to lock it closed.The enclosure will have four (4)4\"tabs welded to theenclosure for mounting purposes.The tabs will be welded to the outside back of the enclosure.Two(2)tabs wi","cbCaiap7wJB7S63I","https://ap.wps.com/l/cbCaiap7wJB7S63I","pdf",846992,"English","# Notes\n## Notes for enclosure, conduit, CT junction box, and safety switches","[{\"question\":\"What enclosure door and locking requirements apply to the metering cabinet?\",\"answer\":\"The enclosure door must include a device to secure it open at 90° or more, and it must be secured closed using a handle-operated latching mechanism that is lockable with a padlock having a 5/16\\\" lockshaft.\"},{\"question\":\"How should the metering conduit be routed and limited in length and bends?\",\"answer\":\"Metering conduit must enter through the bottom and be installed behind the hinged meter panel without interfering with test switches. It must not exceed three 90° bends or sweeps, and maximum length limits apply: up to 90 ft cannot exceed 120 ft, with minimum conduit diameters of 1-1/4\\\" (up to 90 ft) and 2\\\" (over 90 ft up to 120 ft). A pull wire is required.\"},{\"question\":\"What are the PT secondary safety switch specifications and related conduit routing?\",\"answer\":\"A three-phase safety switch is installed on the 120V (secondary) side of each set of PTs and must include a ground bus for X2 connections. Conduit must run from the PTs to the safety switch and then to the metering enclosure, with watertight hubs sized for the required conduit.\"}]","SR-424 - Detail For Primary Metered Service In Remote Metering Cabinet 201A-800A | PDF"]