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Page 1 CHAPTER 21. ELECTRICAL CODE ARTICLE I. THE CHAPTER 21. ELECTRICAL CODE ARTICLE I. THE ELECTRICAL CODE Sec. 21.0010 Short Title. This Chapter will be known and may be cited as “The Electrical Code.” Sec. 21.0030 National Electrical Code Adopted. Certain documents, copies of which are filed in the office of the Building Commissioner, said copies being marked and designated as the 2008 National Electrical Code, as published by the National Fire Protection Association are hereby adopted along with its annexes as the Electrical Code of the City of Webster Groves, Missouri, for the control of buildings and structures as herein provided; and each and all terms of the 2008 National Electrical Code are hereby referred to, adopted and made a part hereof as if fully set out in this ordinance with the additions, insertions, deletions and changes prescribed in this Ordinance. Sec. 21.0040 Jurisdictional Titles. Throughout the 2009 International Code Council Electrical Code – Annex H, Administration and Enforcement, whenever the terms “Name of Jurisdiction” or “Local Jurisdiction” appear, it shall be deemed to mean “Webster Groves, Missouri.” Likewise whenever the “Code Official” appears it shall be deemed to mean the “Building Commissioner.” Sec. 21.0050 Jurisdictional Titles. Throughout the 2008 National Electrical Code, whenever the terms “Name of Jurisdiction” or “Local Jurisdiction” appear, it shall be deemed to mean “Webster Groves, Missouri.” Likewise whenever the “Code Official” appears it shall be deemed to mean the “Building Commissioner.” Sec 21.0200 Amendments to National Electric Code Chapter 2 – Wiring and Protection 210.12 Arc-Fault Circuit Interrupter Protection. (A) Definition. An arc-fault circuit interrupter is a device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de- energize the circuit when an arc fault is detected. (B) Dwelling Unit Bedrooms. All branch circuits that supply 125-volt, single-phase, 15- and 20- ampere outlets installed in dwelling unit bedrooms shall be protected by an arc-fault circuit interrupter listed to provide protection of the entire branch circuit. Exception: Smoke detectors, overhead lighting circuits, and dedicated outlets located in bedrooms. Sec. 21.0400 Amendments to National Electrical Code Chapter 4 – Equipment for General Use 406.11 Tamper-Resistant Receptacles in Dwelling Units. In all areas specified in 210.52, 125-volt, 15- and 20-ampere receptacles shall be listed tamper-resistant receptacles. Exception: Receptacles in the following locations shall not be required to be tamper-resistant: (1) Receptacles located more than five and one half (5½) feet above the floor. (2) Receptacles that are part of a luminaire or appliance, Page 1 THE CODE OF WEBSTER GROVES - 2018 Electrical Code Chapter 21 (3) A single receptacle or a duplex receptacle for two appliances located within dedicated space for each appliance that, in normal use, is not easily moved from one place to another and that is cord-and-plug connected in accordance with 400.7(A)(6), (A)(7), or (A)(8), (4) Nongrounding receptacles used for replacements as permitted in 406.3(D)(2)(a). Sec. 21.1000 Amendments to National Electrical Code Annex A – Product Safety Standards ANNEX A – Product Safety Standards is adopted without amendment. This annex is not a part of the requirements of this NFPA document but is included for informational purposes only. Sec. 21.1100 Amendments to National Electrical Code Annex B – Application Information for Ampacity Calculations ANNEX B – Application Information for Ampacity Calculations is adopted without amendment. This annex is not a part of the requirements of this NFPA document but is included for informational purposes only. Sec. 21.1200 Amendments to National Electrical Code Annex C – Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size ANNEX C – Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size is adopted without amendment. This annex is not a part of the requirements of this NFPA document but is included for informational purposes only. Sec. 21.1300 Amendments to National Electrical Code Annex D – Examples ANNEX D – Examples is adopted without amendment. This annex is not a part of the requirements of this NFPA document but is included for informational purposes only. Sec. 21.1400 Amendments to National Electrical Code Annex E – Types of Construction ANNEX E – Types of Construction is deleted in its entirety and amended by inserting the following: Types of Construction are those identified in the 2009 edition of the International Code Council’s International Building Code. Sec. 21.1500 Amendments to National Electrical Code Annex F – Availability and Reliability for Critical Operations Power Systems; and Development and Implementation of Functional Performance Tests (FPT’s) for Critical Operations Power Systems Annex F – Availability and Reliability for Critical Operations Power Systems; and Development and Implementation of Functional Performance Tests (FPT’s) for Critical Operations Power Systems is adopted without amendment. This annex is not a part of the requirements of this NFPA document but is included for informational purposes only. Sec. 21.1600 Amendments to National Electrical Code Annex G – Supervisory Control and Data Acquisition (SCADA) Page 2 THE CODE OF WEBSTER GROVES - 2018 Electrical Code Chapter 21 Annex G – Supervisory Control and Data Acquisition (SCADA) is adopted without amendment. This annex is not a part of the requirements of this NFPA document but is included for informational purposes only. Sec. 21.1700 Amendments to National Electrical Code Annex H – Administration and Enforcement ANNEX H – Administration and Enforcement is deleted in its entirety and amended by inserting the following: Annex H Article 1 SCOPE SECTION 101 GENERAL 101.1 Title. These regulations shall be known as the electrical Code – Administrative Provisions of the City of Webster Groves, Missouri and shall be cited as such and will be referred to herein as “this code.” 101.2 Purpose. The purpose of this code is to provide minimum standards to safeguard life or limb, health, property and public welfare by regulating and controlling the design, construction, installation, quality of materials, location, operation, and maintenance or use of electrical systems and equipment. 101.3 Scope. This code shall regulate the design, construction, installation, alteration, repairs, relocation, replacement, addition to, use or maintenance of electrical systems and equipment. SECTION 102 APPLICABILITY 102.1 General. The provisions of this code shall apply to all matters affecting or relating to structures and premises, as set forth in 101. 102.1.1 Existing installations. Except as otherwise provided for in this article, a provision in this code shall not require the removal, alteration or abandonment of, nor prevent the continued utilization and maintenance of, existing electrical systems and equipment lawfully in existence at the time of the adoption of this code. 102.1.2 Maintenance. Electrical systems, equipment, materials and appurtenances, both existing and new, and parts thereof shall be maintained in proper operating condition in accordance with the original design and in a safe, hazard-free condition. Devices or safeguards that are required by this code shall be maintained in compliance with the code edition under which installed. The owner or the owner’s designated agent shall be responsible for the maintenance of the electrical systems and equipment. To determine compliance with this provision, the code official shall have the authority to require that the electrical systems and equipment be reinspected. Page 3 THE CODE OF WEBSTER GROVES - 2018 Electrical Code Chapter 21 [EB] 102.1.3 additions, alterations and repairs. Additions, alterations, renovations and repairs to electrical systems shall comply with the provisions of the International Existing Building Code and this code, as applicable. [EB] 102.1.4 Change in occupancy. The provisions if the International Existing Building Code shall apply to all buildings undergoing a change of occupancy. 102.1.5 Moved buildings. Electrical systems and equipment that are a part of buildings or structures moved into or within the jurisdiction shall comply with the provisions of this code for new installations. 102.2 Differences. Where, in any specific case, different sections of this code specify different materials, methods of construction or other requirements, the most restrictive shall govern. Where there is a conflict between a general requirement and a specific requirement, the specific requirement shall be applicable. 102.3 Other laws. The provisions of this code shall not be deemed to nullify any provisions of local, state or federal law. 102.4 Validity. In the event any part of provision of this code is held to be illegal or void, this shall not have the effect of making void or illegal any of the other parts or provisions thereof, which are determined to be legal; and it shall be presumed that this code would have been adopted without such illegal or invalid parts or provisions. 102.4.1 Segregation of invalid provisions. Any invalid part of this code shall be segregated from the remainder of this code by the court holding such part invalid, and the remainder shall remain effective. 102.5 Application of references. References to article or section numbers, or to provisions not specifically identified by number, shall be construed to refer to such articles, sections or provisions of this code. 102.6 Referenced codes and standards. The codes and standards referenced in this code shall be those that are listed in Annex A and such codes and standards shall be considered part of the requirements of this code to the prescribed extent of each such reference. Where differences occur between provisions of this code and referenced codes or standards, the provisions of this code shall apply. Exception. Where enforcement of a code provision would violate the conditions of the listing of the equipment or appliance, the conditions of the listing and manufacturer’s instructions shall apply.
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