International Residential Code

This chapter outlines the installation requirements for various appliances and fixed heating equipment within residential buildings.

This chapter establishes the installation requirements for boilers, water heaters, and pool heaters, including safety controls, expansion tanks, and specific conditions for dual-purpose or attic installations.

This chapter details requirements for branch circuits and feeders, including minimum circuits, allowable loads, and overcurrent protection for dwelling units.

This chapter outlines general building planning requirements for residential structures, covering design loads, fire resistance, room dimensions, sanitation, egress, and safety systems.

This chapter outlines the construction and installation requirements for masonry and factory-built fireplaces, masonry heaters, and their associated chimneys, including provisions for exterior air supply.

This chapter establishes requirements for venting fuel-burning appliances to the outdoors, including specifications for vent systems, components, connectors, and chimney construction.

This chapter establishes requirements for power supplies and wiring methods for Class 2 remote-control, signaling, and power-limited circuits that are not an integral part of a device or appliance.

This chapter specifies combustion air requirements for solid-fuel-burning and oil-fired appliances by referencing manufacturer instructions and NFPA 31.

This chapter establishes the meanings of specific words and terms used throughout the code to ensure consistent interpretation and application.

This chapter establishes requirements for the rating, application, and installation of electrical switches, receptacles, luminaires, and track lighting to ensure safety and proper functionality.

This chapter establishes requirements for the design, construction, and installation of duct systems serving heating, cooling, and ventilation equipment in dwellings.

This chapter provides definitions specifically applicable to the electrical requirements detailed in Chapters 34 through 43 of the code.

This chapter regulates energy efficiency for the design and construction of residential buildings, covering the thermal envelope, mechanical systems, and lighting.

Chapter 15 establishes requirements for mechanical exhaust systems, mandating outdoor discharge for various appliances and spaces like clothes dryers, range hoods, and bathrooms, and specifying duct construction.

This chapter establishes requirements for the design and construction of floors in all buildings, including those in attic spaces used for mechanical or plumbing equipment.

This chapter details the design and construction requirements for building foundations, foundation spaces, materials, footings, walls, drainage, dampproofing, columns, and under-floor ventilation.

This chapter governs fuel gas piping systems, appliances, venting, and combustion air configurations typically found in one- and two-family dwellings.

This chapter establishes general requirements for the installation of mechanical systems, including appliance listing, labeling, fuel type, access, clearances, and structural considerations for installations.

This chapter establishes general provisions for plumbing installation, covering water and sewage systems, structural protection, trenching, pipe support, waterproofing, workmanship, and material identification.

This chapter establishes general requirements for electrical systems and equipment in one- and two-family dwellings, covering applicability, protection, inspection, and equipment specifics.

This chapter governs the installation, conformity, and specific requirements for various types of heating and cooling equipment and appliances within residential buildings.

This chapter covers the installation, material requirements, and testing of hydronic piping systems, including specific provisions for baseboard convectors, floor heating, and ground source heat pump loops.

This chapter and subsequent chapters regulate the design, installation, maintenance, alteration, and inspection of permanently installed mechanical systems that control environmental conditions within buildings.

This chapter establishes the general administrative requirements, inspection criteria, and provisions for existing plumbing systems governed by this code.

This chapter establishes requirements for the quality, installation, and specific features of plumbing fixtures, faucets, and their fittings within residential applications.

This chapter establishes requirements for the installation of receptacle and lighting outlets, ground-fault and arc-fault protection, and general electrical wiring methods and equipment for power and lighting distribution.

This chapter establishes requirements for the design, materials, construction, and quality of roof assemblies, including classifications, weather protection, and reroofing procedures.

This chapter outlines the design and construction requirements for roof-ceiling systems in all buildings, covering framing materials, sheathing, finishes, ventilation, and attic access.

This chapter governs the materials, design, construction, and installation of sanitary drainage systems in buildings, including the drainage, waste, and vent (DWV) piping.

This chapter establishes the scope, administration, and enforcement procedures for the Residential Code, including permits, inspections, and the duties of the building official.

This chapter details requirements for service conductors, equipment, sizing, installation, grounding, and bonding for electrical systems in residential buildings.

This chapter establishes requirements for the design, construction, installation, alteration, and repair of solar energy systems used for space heating or cooling, hot water, and swimming pools.

This chapter outlines installation requirements and safety standards for specific fuel-burning equipment, including ranges, sauna heaters, fuel cell power plants, and gaseous hydrogen systems.

This chapter establishes material and installation requirements for special piping and storage systems, focusing on oil tanks, piping, pumps, and valves.

This chapter establishes requirements for the materials, design, construction, and installation of storm drainage systems.

This chapter establishes requirements for the construction and installation of electrical wiring and equipment associated with all types of swimming pools, spas, hot tubs, and hydromassage bathtubs.

This chapter defines the design and material requirements for plumbing fixture traps to ensure they are self-cleaning and effective.

This chapter governs the selection, installation, and sizing requirements for various plumbing vent systems, including individual, common, circuit, and stack vents.

This chapter controls the design and construction of all walls and partitions for buildings, including requirements for various framing materials, masonry, and panels.

This chapter establishes the requirements for the design and construction of both interior and exterior wall coverings for all buildings.

This chapter establishes requirements for domestic water heating systems, including the necessity for an approved water heater, potable water protection, and relief valve installations.

Chapter 29 establishes requirements for potable water supply and distribution in dwelling units, covering protection, design, materials, and fire sprinkler systems.

This chapter outlines the general requirements for wiring methods used in services, feeders, and branch circuits for electrical power and distribution within residential structures.