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Prior Chicago Building Code
BUILDING CODE AND RELATED EXCERPTS OF THE MUNICIPAL CODE OF CHICAGO
DIVISION 1 - ADMINISTRATION
DIVISION 2 - DEFINITIONS
DIVISION 3 - USE AND OCCUPANCY CLASSIFICATIONS
DIVISION 4 - SPECIAL DETAILED REQUIREMENTS BASED ON USE AND OCCUPANCY
DIVISION 5 - GENERAL BUILDING HEIGHTS AND AREAS
DIVISION 6 - TYPES OF CONSTRUCTION
DIVISION 7 - FIRE-RESISTANCE-RATED CONSTRUCTION
DIVISION 8 - INTERIOR FINISHES (NA)
DIVISION 9 - FIRE PROTECTION SYSTEMS
DIVISION 10 - MEANS OF EGRESS
DIVISION 11 - ACCESSIBILITY
DIVISION 12 - INTERIOR ENVIRONMENT
DIVISION 13 - ENERGY EFFICIENCY AND ENVIRONMENTAL PROTECTION
DIVISION 14 - EXTERIOR WALLS (NA)
DIVISION 15 - ROOF ASSEMBLIES AND ROOFTOP STRUCTURES (NA)
DIVISION 16 - STRUCTURAL DESIGN
DIVISION 17 - STRUCTURAL TESTS AND SPECIAL INSPECTIONS
DIVISION 18 - SOILS AND FOUNDATIONS
DIVISION 19 - CONCRETE
DIVISION 20 - ALUMINUM (NA)
DIVISION 21 - MASONRY
DIVISION 22 - STEEL
DIVISION 23 - WOOD
DIVISION 24 - GLASS AND GLAZING (NA)
DIVISION 25 - GYPSUM BOARD AND PLASTER (NA)
DIVISION 26 - PLASTIC (NA)
DIVISION 27 - ELECTRICAL
DIVISION 28 - MECHANICAL SYSTEMS
DIVISION 29 - PLUMBING SYSTEMS
DIVISION 30 - ELEVATORS AND CONVEYING SYSTEMS
DIVISION 31 - SPECIAL CONSTRUCTION (NA)
DIVISION 32 - ENCROACHMENTS INTO THE PUBLIC RIGHT-OF-WAY
DIVISION 33 - SAFEGUARDS DURING CONSTRUCTION
DIVISION 34 - EXISTING STRUCTURES
DIVISION 35 - REFERENCED STANDARDS

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14E-7-705  Interconnected electric power production sources.
   The provisions of Article 705 of NFPA 70 are adopted by reference without modification.
(Added Coun. J. 9-6-17, p. 55278, Art. I, § 1)
14E-7-706  Energy storage systems.
   The provisions of Article 706 of NFPA 70 are adopted by reference without modification.
(Added Coun. J. 9-6-17, p. 55278, Art. I, § 1)
14E-7-708  Critical operations power systems (COPS).
   The provisions of Article 708 of NFPA 70 are adopted by reference without modification.
(Added Coun. J. 9-6-17, p. 55278, Art. I, § 1)
14E-7-710  Stand-alone system.
   The provisions of Article 710 of NFPA 70 are adopted by reference without modification.
(Added Coun. J. 9-6-17, p. 55278, Art. I, § 1)
14E-7-712  Direct current microgrids.
   The provisions of Article 712 of NFPA 70 are adopted by reference without modification.
(Added Coun. J. 9-6-17, p. 55278, Art. I, § 1)
14E-7-720  Circuits and equipment operating at less than 50 volts.
   The provisions of Article 720 of NFPA 70 are adopted by reference without modification.
(Added Coun. J. 9-6-17, p. 55278, Art. I, § 1)
14E-7-725  Class 1, class 2, and class 3 remote- control, signaling, and power-limited circuits.
   The provisions of Article 725 of NFPA 70 are adopted by reference with the following modifications:
1.   Revise section 725.3 to read:
   “725.3 Other Articles. Circuits and equipment shall comply with the articles or sections listed in 725.3(A) through (N). Only those sections of Article 300 referenced in this article shall apply to Class 1, Class 2, and Class 3 circuits.
   (A)   Number and Size of Conductors in Raceway. Installations shall comply with 300.17.
   (B)   Spread of Fire or Products of Combustion. Installation of Class 1, Class 2, and Class 3 circuits shall comply with 300.21.
   (C)   Ducts, Plenums, and Other Air-Handling Spaces. Class 1, Class 2, and Class 3 circuits installed in ducts, plenums, or other space used for environmental air shall comply with 300.22.
   (D)   Hazardous (Classified) Locations. Articles 500 through 516 and Article 517, Part IV, where installed in hazardous (classified) locations.
   (E)   Cable Trays. Article 392, where installed in cable tray.
   (F)   Motor Control Circuits. Article 430, Part VI, where tapped from the load side of the motor branch- circuit protective device(s) as specified in 430.72(A).
   (G)   Instrumentation Tray Cable. See Article 727.
   (H)   RacewaysExposed to Different Temperatures. Installations shall comply with 300.7(A).
   (I)   Vertical Support for Fire-Rated Cables and Conductors. Vertical installations of circuit integrity (CI) cables and conductors installed in a raceway or conductors and cables of electrical circuit protective systems shall be installed in accordance with 300.19.
   (J)   Bushing. A bushing shall be installed where cables emerge from raceway used for mechanical support or protection in accordance with 300.15(C).
   (K)   Installation of Conductors with Other Systems. Installations shall comply with 300.8.
   (L)   Corrosive, Damp, or Wet Locations. Class 2 and Class 3 cables installed in corrosive, damp, or wet locations shall comply with the applicable requirements in 110.11, 300.5(B), 300.6, 300.9, and 310.10(G).
   (M)   Cable Routing Assemblies. Class 2, Class 3, and Type PLTC cables shall be permitted to be installed in riser cable routing assemblies, and general-purpose cable routing assemblies selected in accordance with Table 800.154(C), listed in accordance with the provisions of 800.182, and installed in accordance with 800.110(C) and 800.113.
   (N)   Communications Raceways. Class 2, Class 3, and Type PLTC cables shall be permitted to be installed in plenum communications raceways, riser communications raceways, and general-purpose communications raceways selected in accordance with the provisions of Table 800.154(b), listed in accordance with 800.182, and installed in accordance with 800.113.”
2.   Revise subsection 725.135(B) and (C) to read:
   “(B)   Ducts Specifically Fabricated for Environmental Air. Wires and cables installed in ducts specifically fabricated for environmental air shall be installed in accordance with 300.22(B).
   (C)    Other Spaces Used for Environmental Air (Plenums). Wires and cables installed in other spaces used for environmental air (plenums) shall be installed in accordance with 300.22(C).”
3.   Revise the first paragraph of section 725.144 to read:
   “The requirements of 725.144(A) and (B) shall apply to Class 2 and Class 3 circuits that transmit power and data to a powered device. The requirements of Parts I and III of Article 725, 300.11, and 300.22 shall apply to Class 2 and Class 3 circuits that transmit power and data. The conductors that carry power for the data circuits shall be copper. The current in the power circuit shall not exceed the current limitation of the connectors.”
4.   Revise Table 725.154 to read:
Applications of Listed Class 2, Class 3, CMUC, and PLTC Cables in Buildings
Applications
Wire and Cable Type
CL2P
&
CL3P
CL2R
&
CL3R
CL2
&
CL3
CL2X
&
CL3X
CMUC
PLTC
Applications
Wire and Cable Type
CL2P
&
CL3P
CL2R
&
CL3R
CL2
&
CL3
CL2X
&
CL3X
CMUC
PLTC
In fabricated ducts as described in 300.22(B)
In fabricated ducts
N
N
N
N
N
N
In metal raceway that complies with 300.22(B)
Y*
Y*
Y*
Y*
N
Y*
In other spaces used for environmental air as described in 300.22(C)
In other spaces used for environmental air
N
N
N
N
N
N
In metal raceway that complies with 300.22(C)
Y*
Y*
Y*
Y*
N
Y*
In risers
In vertical runs
Y*
Y*
N
N
N
N
In metal raceways
Y*
Y*
Y*
Y*
N
Y*
In fireproof shafts
Y*
Y*
Y*
Y*
N
Y*
In plenum communications raceways
Y*
Y*
N
N
N
N
In riser communications raceways
Y*
Y*
N
N
N
N
In riser cable routing assemblies
Y*
Y*
N
N
N
N
In one- and two-family dwellings
Y*
Y*
Y*
Y*
N
Y*
Within buildings in other than air-handling spaces and risers
General
Y*
Y*
Y*
Y*
N
Y*
In one- and two-family dwellings
Y*
Y*
Y*
Y*
Y*
Y*
In multifamily dwellings
Y*
Y*
Y*
Y*
Y*
Y*
In non-concealed spaces
Y*
Y*
Y*
Y*
Y*
Y*
Supported by cable trays
Y*
Y*
Y*
N
N
Y*
Under carpet
N
N
N
N
Y*
N
In cross-connect arrays
Y*
Y*
Y*
N
N
Y*
In any raceway recognized in Chapter 3
Y*
Y*
Y*
Y*
N
Y*
In plenum communications raceways
Y*
Y*
Y*
N
N
Y*
In riser communications raceways
Y*
Y*
Y*
N
N
Y*
In riser cable routing assemblies
Y*
Y*
Y*
N
N
Y*
In general-purpose communications raceways
Y*
Y*
Y*
N
N
Y*
In general-purpose cable routing assemblies
Y*
Y*
Y*
N
N
Y*
 
Note: ‘N” indicates that the cable type shall not be permitted to be installed in the application.
“Y” indicates that the cable type shall be permitted to be installed in the application, subject to the limitations described in 725.130 through 725.143.”
(Added Coun. J. 9-6-17, p. 55278, Art. I, § 1)
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