Page 982 - 2018_IRC

INDEX

PLYWOOD RAINWATER
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . R703.5 Identification for. . . . . . . . . . . . . . . . . . . . . . . P2901.2
Materials, walls . . . . . . . . . . . . . . . . . . . . . . . . . .R604 Supply to fixtures . . . . . . . . . . . . . . . . . . . . . P2901.1
POTABLE WATER RAMPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R311.8
Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R202 RANGES
Piping listing . . . . . . . . . . . . . . . . . . . . . . . . . P2609.4 Branch circuits for ranges . . . . . . . . . . . . . . . E3702.9
PRECAST CONCRETE RANGES AND OVENS
Footings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R403.4 Vertical clearance above cooking top . . . . . . M1901.1
Foundation material . . . . . . . . . . . . . . . . . . .R402.3.1 READILY ACCESSIBLE
Foundation walls. . . . . . . . . . . . . . . . . . . . . . . R404.5 Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R202
PRESSURE, WATER SUPPLY Definition, electrical installations. . . . . . . . . . . .E3501
Maximum . . . . . . . . . . . . . . . . . . . . . . . . . .P2903.3.1 RECEPTACLE
Minimum . . . . . . . . . . . . . . . . . . . . . . . . . . . . P2903.3 Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E3501
PRIVATE RECEPTACLE OUTLET
Sewage disposal system . . . . . . . . . . . . . Appendix I Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E3501
PROHIBITED Required outlets . . . . . . . . . . . . . . . . . . . . . . . .E3901
Receptors . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P2706 RECEPTACLES
Return air sources . . . . . . . . . . . . . . . . . . . . M1602.2 Rating, type and installation . . . . . . . . . . . . . . .E4002
Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P3201.5 RECEPTORS
Valves below grade . . . . . . . . . . . . . . . . . .P2903.9.5 Plumbing fixtures and traps . . . . . . . . . . . Chapter 27
Water closets . . . . . . . . . . . . . . . . . . . . . . . . P2712.1 Site-built shower . . . . . . . . . . . . . . . . . . . . . . P2709.2
PROPOSED DESIGN (ENERGY) . . . . . R202, N1105.3 Waste . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P2706
PROTECTION RECESSED LUMINAIRES . . . . . . E4003.5, E4003.12,
Against decay and termites . . . . . . . . . . R317, R318 E4004.8, E4004.9
Against radon . . . . . . . . . . . . . . . . . . . . . . Appendix F RECLAIMED WATER
Of backflow preventers. . . . . . . . . . . . . . . . . P2902.6 Identification for. . . . . . . . . . . . . . . . . . . . . . . P2901.2
Of ferrous gas piping . . . . . . . . . . . . . . . . Chapter 24 Supply to fixtures . . . . . . . . . . . . . . . . . . . . . P2901.1
Of potable water supply . . . . . . . . . . . . . . . . . .P2902 REPAIR
PURLINS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R802.4.5 Defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R202
PURPOSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R101.3 Requirements, energy conservation . . . . . . . . N1110
REQUIREMENTS
R Connections for fuel-burning
appliances . . . . . . . . . . . . . . . . . . . . . . . Chapter 24
RACEWAY Return air . . . . . . . . . . . . . . . . . . . . . . . . . . . . M1602
Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E3501 RESISTANCE TO GROUND
Raceway installations . . . . . . . . . . . . . . . . . . . .E3904 Electrodes. . . . . . . . . . . . . . . . . . . . . . . . . . . E3608.4
Raceway seals . . . . . . . . . . . . . . . .E3601.5, E3803.6 RESISTANT SIDING MATERIAL (see MATERIALS)
Raceways as means of support . . . . . . . . . . E3904.4 RETURN-AIR. . . . . . . . . . . . . . . . . . . . . . . . . . . M1602
RADON RIDGE BOARD . . . . . . . . . . . . . . . . . . . . . . . . . R802.4
Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appendix F RIGID METALLIC CONDUIT. . . . . . . . . . . . . . . .E3908
RAFTERS RIGID NONMETALLIC CONDUIT. . . . . . . . . . E3801.4
Grade of lumber . . . . . . . . . . . . . . . . . . . . . . . R802.1 ROOF
Spans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R802.1.1, Coverings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R905
Tables R802.4.1(1) – R802.4.1(8) Drainage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R903.4
RAIN TIGHT Fire classification . . . . . . . . . . . . . . . . . . . . . . . R902
Definition applied to electrical Flashing . . . . . . . . . . . . . . . . . R703.4, R903.2, R905
provisions . . . . . . . . . . . . . . . . . . . . . . . . . . .E3501 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R904
RAINPROOF
Reroofing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R908
Definition applied to electrical Rooftop-mounted solar energy systems . . . . R324.3,
provisions . . . . . . . . . . . . . . . . . . . . . . . . . . .E3501
R324.6

2018 INTERNATIONAL RESIDENTIAL CODE ® 957
Copyrighted © 2017 by, or licensed to, ICC (ALL RIGHTS RESERVED); licensed to UL, LLC pursuant to License Agreement with ICC. No further reproductions authorized or distribution authorized.
ANY UNAUTHROIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT; AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.