Electric Service Requirements - 1100 Metering and Service Equipment Manufacturing Requirements

Oct 24, 2026

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Electric Service Requirements section 1100 specifies metering and service equipment manufacturing requirements, including switchboard service sections and approval processes. It outlines electric utility service equipment requirements, identifies required approvals before manufacturing multi-meter panel assemblies or service sections, and describes key information that must be submitted for review. The document also defines the components and functional purpose of standard switchboard service sections, including termination bussing, current transformer mounting, test switches, meter sockets, and main disconnect or breaker arrangements.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages118

Reading Time4 h 57 min

AccessFree to download

1100.0 Metering and Service Equipment Manufacturing Requirements

1100.1 Electric Utility Service Equipment Requirements

1100.2 Required Approval for Metering in Service Equipment

1100.3 Switchboard Service Section

MANUFACTURING REQUIREMENTS Table of Contents-Section 1100 PARAGRAPH/DRAWING 1100.0 METERING AND SERVICE EQUIPMENT MANUFACTURING REQUIREMENTS 1100.1 ELECTRIC UTILITY SERVICE EQUIPMENT REQUIREMENTS 1100.2 REQUIRED APPROVAL FOR METERING IN SERVICE EQUIPMENT 1100.3 SWITCHBOARD SERVICE SECTION 1101.0 CRA-ES DRAWINGS-MISCELLANEOUS SERVICE EQUIPMENT 1101.1 LOW-PROFILE SWITCHBOARD SERVICE SECTION 0-3000 AMPS, 0-600 VOLTS 1101.2 COMBINATION INSTRUMENT TRANSFORMER & METER BOX 400 AMP, 0-600 VOLTS 1101.3 COMBINATION INSTRUMENT TRANSFORMER & METER BOX 600 AMP, 0-600 VOLTS 1102.0 EUSERC DRAWINGS-LOW VOLTAGE SERVICE EQUIPMENT 1102.1 SWITCHBOARD SERVICE SECTION ILLUSTRATIONS 1102.2 CRA-ES ADDENDUMS TO EUSERC DRAWINGS DWG 300 MISCELLANEOUS REQUIREMENTS-SHEETS 1-13 DWG 301 RESIDENTIAL COMBINATION METER PANEL, 100-225 AMP DWG 304 SAFETY SOCKET BOX WITH TEST-BYPASS FACILITIES, 100 AMP DWG 304 CRA-ES ADDENDUM TO EUSERC DWG 304 DWG 305 SAFETY SOCKET BOX WITH TEST-BYPASS FACILITIES, 200 AMP DWG 305 CRA-ES ADDENDUM TO EUSERC DWG 305 DWG 305A COMBINATION SAFETY-SOCKET PANEL WITH TEST BLOCKS AND SVC DISCONNECT, 100 & 200 AMP DWG 306 SELF-CONTAINED METERS INSTALLED IN SWITCHBOARDS DWG 307 TYPICAL UNDERGROUND SERVICE AND METER POST, 100-200 AMP DWG 308 NON-RESIDENTIAL SERVICE PEDESTALS, 100-200 AMP DWG 309 COMMERCIAL FIXED TOP SERVICE PEDESTALS, 0 TO 200 AMPS DWG 311 TEST-BYPASS / DISCONNECT BLOCK FOR SAFETY SOCKETS 100 AND 200 AMP 0-600V DWG 313 COMBINATION INSTRUMENT TRANSFORMER & METER BOX, 400 AMP (OVERHEAD SERVICES ONLY) DWG 313 CRA-ES ADDENDUM TO EUSERC DWG 313 DWG 315 COMBINATION DISCONNECT DEVICE AND TERMINATING ENCLOSURE 0-600 VOLTS, 1200 AMP MAXIMUM DWG 319 INSTRUMENT TRANSFORMER COMPARTMENT FOR SWITCHBOARDS 0 – 600 VOLTS, 0-1000 AMPS, 1 OR 3 PHASE, 3 WIREDWG 319 CRA-ES ADDENDUM TO EUSERC DWG 319 DWG 320 INSTRUMENT TRANSFORMER COMPARTMENT FOR SWITCHBOARDS 0-600 VOLTS, 0-1000 AMPS, 3 PHASE, 3 OR 4 WIREDWG 320 CRA-ES ADDENDUM TO EUSERC DWG 320 DWG 322 INSTRUMENT TRANSFORMER COMPARTMENT FOR SWITCHBOARDS 0-600 VOLTS, 1001-3000 AMPS, 3 PHASE, 3 OR 4 WIREDWG 322 CRA-ES ADDENDUM TO EUSERC DWG 322 DWG 324 INSTRUMENT TRANSFORMER COMPARTMENT FOR SWITCHBOARDS 0-600 VOLTS, 3001 AMPS OR LARGER, 3 PHASE, 3 OR 4 WIREDWG 324 CRA-ES ADDENDUM TO EUSERC DWG 324 DWG 325 STANDARD SWITCHBOARD SERVICE SECTION (WITHOUT FILLER PANEL) PAGE 1 1 1 1 2 2,3 4 5 6 6 6 Table of contents (Cont’d) PARAGRAPH/DRAWING PAGE DWG 326 STANDARD SWITCHBOARD SERVICE SECTION (WITH FILLER PANEL) DWG 326/APS APS ADDENDUM TO EUSERC DWG 326 DWG 327 COMBINATION SWITCHBOARD SERVICE SECTION AND PULL SECTION DWG 327/APS APS ADDENDUM TO EUSERC DWG 327 DWG 328A CURRENT TRANSFORMER MOUNTING BASE 0-600 VOLTS, 0-400 AMPS, 1 PHASE OR 3 PHASE, 3 WIREDWG 328A/APS APS ADDENDUM TO EUSERC DWG 328A DWG 329A CURRENT TRANSFORMER MOUNTING BASE 0-600 VOLTS, 0-400 AMPS, 3 PHASE, 3 OR 4 WIREDWG 329A/APS APS ADDENDUM TO EUSERC DWG 329A DWG 330 REMOVABLE LINK AND CT SUPPORT (4 INCH BUS) DWG 331 REMOVABLE LINK AND CT SUPPORT (5 INCH BUS) DWG 332 15-INCH HINGED METER PANEL DWG 342 COMBINATION TERMINATING ENCLOSURE AND MULTI-METER PANELS FOR RESIDENTIAL SERVICES-6 METERS MAXIMUM DWG 343 WALL-MOUNTED PULL BOX WITH TERMINATING FACILITIES DWG 345 UNDERGROUND SERVICE TERMINATION FOR STANDARD SWITCHBOARDS, 400-2000 AMPS DWG 347 UNDERGROUND SERVICE TERMINATING FACILITIES IN PULL BOXES OR PULL SECTIONS DWG 348 OVERHEAD SERVICE TERMINATION FOR STANDARD SWITCHBOARD SERVICE SECTIONS DWG 349 BUSWAY SERVICE HEAD, 1 PHASE OR 3 PHASE, 3 OR 4 WIRE DWG 353 CLEARANCES, MULTIPLE METERING, RESIDENTIAL DWG 354 OUTDOOR OR RAINTIGHT ENCLOSURES FOR SW 1103.0 EUSERC DRAWINGS-HIGH VOLTAGE SERVICE EQUIPMENT 7 1103.1 APS ADDENDUMS TO EUSERC DRAWINGS DWG 400 MISCELLANEOUS REQUIREMENTS-SHEETS 1-5 DWG 401 HIGH VOLTAGE METERING ENCLOSURE WITH VT DISCONNECT COMPARTMENT (2400-27000 VOLTS) DWG 401/APS APS AD

FAQs

What does Section 1100 cover in electric service requirements?

Section 1100 covers metering and service equipment manufacturing requirements, including electric utility service equipment requirements and switchboard service sections.

When is approval required before manufacturing multi-meter panel assemblies or service sections?

Approval is required before manufacturing when a customer proposes to install a multi-meter panel assembly or service section, submitted to the CRA-ES Electric Meter Shop for review.

What components are included in a standard switchboard service section?

A standard switchboard service section includes bussing for service entrance conductor termination, bussing and mounting for current transformers, panels for test switch and meter socket installation, and a service main disconnect switch or breaker, often with distribution feeder breakers or switches.

Oct 24, 2026

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