2017 MICHIGAN ELECTRICAL CODE Part 8 Rules

1 2017 MICHIGAN ELECTRICAL code part 8 Rules INCORPORATING THE 2017 EDITION OF THE NATIONAL ELECTRICAL code (Effective January 4, 2019) The IAEI has added Gray shading to reflect changes from the previous code edition INTR ODUCT ION The Bureau of Constructi on Codes has amended the Constructi on code Rules , part 8. All units of government that administ er and enforce the ELECTRICAL code shall enforce the amende d state ELECTRICAL c ode effe cti ve January 4, 2019. The Rules adopt by reference the National ELECTRICAL code , 2017 edition , and include deletions, additions, and amendments to the national c ode. The deletions, add itio ns, and amendm ents are set forth in this publication.

2 How to use this publ ication: The state ELECTRICAL code Rules are published in code s ecti on order for use with the National ELECTRICAL C ode, 2017 editio n. The National ELECTRICAL C ode , 2017 editio n, is ado pted by reference in R 408 .30801 (page 1). The provision s set f orth in this publication are either added to the national code or amend the nationa l code . Each section has been provided with a title for inde xing pur poses. These titl es may no t be identic al to the title s used in the promulgated rule set. The sections not deleted from Annex H have been included to benefit the user and are identified by an *, asterisk prior to the code section.

3 (Being Sections , , and ) Depa rtment of Licens ing and Regulatory Affairs 2017 MICHIGAN ELECTRICAL code Rules part 8 INCO RPORATING THE 2017 EDITION OF THE NATIONAL ELECTRICAL code BUREAU OF CONSTRUCTION CODES Box 30254 Lansin g, Michig an 48909 www . MICHIGAN .gov /bcc Pro viding for MICHIGAN s Sa fety in the Bu ilt E nviron ment 1 TABLE OF CONTENTS Con struction Cod e .. 1 part 8 - ELECTRICAL C ode .. 1 ARTICLE 80 - ADMINISTRATION AND ENFORCEMENT Scope .. 1 80. Severability .. 2 *80 .3 Purpose .. 2 Title .. 2 *80 .9 App lication .. 2 *80 .11 Occ upa ncy of build ing or st ructure .. 2 80.

4 13 Authority .. 2 80. 14 Duties and powers of the code officia l .. 3 *80 .17 Records and Reports .. 3 80. 18 Maintenance of existin g wiring and equipment .. 4 80. 19 Permits and approvals .. 4 80. 19(a) Application .. 4 80. 19(b) Issuance of permits .. 4 80. 19(c) Annual permits .. 4 80. 19(d) Inspection and approvals .. 4 80. 19(e) applications and extensions .. 5 80. 20 Representative on jobsite .. 5 80. 21 Plans and specifications .. 5 80. Application and permits .. 5 80. Previous approvals .. 5 80. Information on construction documents.. 6 80. 23 Violations .. 6 80. 25 Conne ction to electricity supply.

5 6 80. 26 Service equipment .. 6 ARTICLE 100 - DEFINITIONS .. 7 ARTICLE 250 - GRO UNDING 250. 104( B) Bonding other metal piping .. 7 ARTICLE 334 - NONMETALLIC -SHEATHED CABLE 334. 10 Uses Permitt ed .. 7 334. 12(A) Uses Not Permitt ed .. 8 ARTICLE 700 - EMERGENCY SYSTEMS 701. 9 Installation .. 8 ARTICLE 701 LEGALLY REQUIRED SYSTEMS 701. 9 Installation .. 8 1 DEPA RTMENT OF LICENSING AND R EGULATORY AFFA IRS DIR ECTOR S OFFICE CON STRUCT ION C ODE (By authority conferred on the director of the department of licensing and regulatory affairs by section 4 of 1972 PA 230, MCL , and Executive Reorganization Order Nos. 1996-2, 2003-1, 2008-4, 2011-4, and 2017 -1, MCL , , , , and ) Fil ed with the Secretary of State on January 4, 2019 These Rules take effe ct January 4, 2019 part 8.

6 ELECTRICAL code Rule 801. (1) T he standards contained in the national ELECTRICAL code 2017 edition, including Annex H, except sections , , , , , , , , , , and to , as published by the national fire protection association (NFPA), shall govern the installation, replacement, alteration, relocation, and use of ELECTRICAL systems or material. With the exceptions noted, the national ELECTRICAL code is adopted in these Rules by reference. (2) All references to the ANSI/ASME , safety code for elevators and escalators mean the MICHIGAN elevator code and all references to the national ELECTRICAL code mean the MICHIGAN ELECTRICAL code . (3) NFPA 110, standard for emergency and standby power systems, 2013 edition and NFPA 111, standard on stored ELECTRICAL energy emergency and standby power systems, 2013 edition, are adopted by reference in these Rules .

7 (4) The codes are available for inspection at the Lansing office of the MICHIGAN department of licensing and regulatory affairs, bureau of construction codes. (5) The National ELECTRICAL code , NFPA 110 and NFPA 111 may be purchased from the National Fire Protection Association, Batterymarch Park, Quincy, Massachusetts 02269, or through the bureau s website at , at a cost as of the time of adoption of these Rules of $ , $ , and $ each, respectively. ( part 8 Amended) Scope. The following are covered: (1) The inspection of ELECTRICAL installations as covered by (2) The review of construction plans, drawings, and specifications for ELECTRICAL systems. (3) The design, alteration, modification, construction, maintenance, and testing of ELECTRICAL systems and equipment.

8 (4) The regulation and control of ELECTRICAL installations at special events, including, but not limited to, exhibits, trade shows, amusement parks, and other similar special occupancies. 2 Severability. If a section, subsection, sentence, clause, or phrase of the code is, for any reason, held to be unconstitutional, this decision shall not affect the validity of the remaining portions of the code . ( part 8 Amended) * Purpose. The purpose of this article shall be to provide requirements for administration and enforcement of the National ELECTRICAL code . (Annex H) Title. These Rules shall be known as the MICHIGAN ELECTRICAL code , hereinafter referred to as "the code . " (Annex H Amended) * Application.

9 (A) New Installations. This code applies to new installations. Buildings with construction permits dated after adoption of this code shall comply with its requirements. (B) Existing Installations. Existing ELECTRICAL installations that do not comply with the provisions of this code shall be permitted to be continued in use unless the authority having jurisdiction determines that the lack of conformity with this code presents an imminent danger to occupants. Where changes are required for correction of hazards, a reasonable amount of time shall be given for compliance, depending on the degree of the hazard. (C) Additions, Alterations, or Repairs. Additions, alterations, or repairs to any building, str ucture, or premises shall conform to that required of a new building without requiring the existing building to comply with all the requirements of this code .

10 Additions, alterations, installations, or repairs shall not cause an existing building to become unsafe or to adversely affect the performance of the building as determined by the authority having jurisdiction. ELECTRICAL wiring added to an existing service, feeder, or branch circuit shall not result in an installation that violates the provisions of the code in force at the time the additions are made. (Annex H) * Occupancy of Building or Structure. (A) New Construction. No newly constructed building shall be occupied in whole or in part in violation of the provisions of this code . (B) Existing Buildings. Existing buildings that are occupied at the time of adoption of this code shall be permitted to remain in use provided the following conditions apply: (1) The occupancy classification remains unchanged.