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Code of Maryville

Table of Contents » Title 12 Building, Utility, etc. Codes » Chapter 3 Electrical Code » § 12-307 Additional electrical requirements.
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12
Title 12
12-1
Title 12, Chapter 1
12-101
§ 12-101
Maryville
Title 12 : Building, Utility, etc. Codes
Chapter 3 : Electrical Code

12-307 : Additional electrical requirements.

  1. Wiring methods requirements. The wiring methods for all structures shall be installed in an approved raceway or shall be metallic-sheathed cable, except that non-metallic sheathed cables, including NM, NMB, NMC, NMS, SE and UF shall be permitted to be installed in apartment buildings not more than three (3) stories above grade plane in height, detached one (1) and two (2) family dwellings and multiple single-family dwellings (townhouses) not more than three (3) stories above grade plane in height with a separate means of egress and their accessory structures. Renovations and repairs of existing buildings shall comply with this section to the extent judged practical by the building official. In instances where there is conflict between the electrical code and this section, this section shall govern.
  2. Service equipment disconnecting means. Service equipment shall have only one (1) means of disconnecting services of two hundred twenty-five (225) amperes or less.
  3. Smoke alarms. Except as provided in Tennessee Code Annotated, § 68-120-111(b), no one (1) and two (2) family dwellings shall be approved for connection of new electric service unless such dwelling is equipped with at least one (1) smoke alarm which, when activated, initiates an alarm audible in every sleeping room. The smoke alarm or alarms shall be listed in accordance with the 2018 International Residential Code, published by the International Code Council, Inc.; and in accordance with the manufacturer's directions.
  4. Used manufactured homes. Used manufactured homes that are being considered for electrical service shall have an electrical safety inspection by an electrician duly licensed in Tennessee. The electrical safety inspection shall be performed and a written statement provided to the building official indicating compliance with the following electrical safety inspection list prior to the request for electrical service inspection by the City of Maryville Electrical Inspector. If the used manufactured home is not in compliance with the electrical safety inspection list, the electrician shall obtain the appropriate permits and inspections, and perform the necessary corrective work to obtain compliance. The list of items to be inspected by the electrician of the said electrical safety inspection shall, at a minimum, be the following:

    ELECTRICAL SAFETY INSPECTION LIST

    1. Manufactured homes shall have listed, enclosed-type service entrance equipment located inside the manufactured home, with proper rated overcurrent protection for each branch circuit. Overcurrent protection for circuits of twenty (20) amperes or less may be either circuit breakers or plug fuses and fuse holders of type "S," and shall be of the time-delay type. The manufactured home disconnecting means located inside shall be fed from an outside location with a feeder from the main service entrance for such manufactured home. If the supply or feeder from the main service to the disconnecting means located inside does not have a grounding conductor as required by article 550(C) of the 2017 National Electrical Code, one (1) shall be installed.
    2. Inspection shall be both visual and mechanical; switch and receptacle plates and light fixtures will be removed to check conductor connections, insulation of splices, boxes, and general code requirements.
    3. The used manufactured home shall be equipped with at least one (1) smoke alarm which, when activated, initiates an alarm audible in every sleeping room. The smoke alarm or alarms shall be listed in accordance with the 2018 International Residential Code, published by the International Code Council, Inc., and in accordance with the manufacturer's directions. (1999 Code, § 12-307)
Date Last Updated: 12/22/2025
Codification Date: 06/01/2024

Officials at Date of Last Codification:

Mayor - Andy White
Vice-Mayor - Fred Metz
Council Member - Sarah Herron
Council Member - Tommy Hunt
Council Member - Drew Miles
City Manager - Greg McClain
Assistant City Manager - Kevin Stoltenberg
City Recorder/Financial Services Director - Sherri Phillips
City Attorney - Melanie Davis 

Date Last Updated: 12/22/2025
Codification Date: 06/01/2024

Officials at Date of Last Codification:

Mayor - Andy White
Vice-Mayor - Fred Metz
Council Member - Sarah Herron
Council Member - Tommy Hunt
Council Member - Drew Miles
City Manager - Greg McClain
Assistant City Manager - Kevin Stoltenberg
City Recorder/Financial Services Director - Sherri Phillips
City Attorney - Melanie Davis