Page 981 - 2018_IRC

INDEX

N Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3501

NONCOMBUSTIBLE MATERIAL Headroom . . . . . . . . . . . . . . . . . . . . . . . . . . .E3405.3
Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R202 PARAPETS. . . . . . . . . . . . . . . . . . .R302.2.2, R606.4.4
PARTICLEBOARD
NONMETALLIC BOXES . . . . . . . . E3905.3, E3908.16
Floor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R503.3
NONMETALLIC RIGID CONDUIT . . . . . . . . . .E3801.4
NONMETALLIC-SHEATHED Walls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R605
CABLE . . . . . . . . . . . . . . . . . . . E3705.4.4, E3801.4, PENETRATIONS . . . . . . . . . . . . . . . . .R302.4, R302.5
E3905.3.1, E3908.8.3 PERMITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R105
NONPOTABLE WATER SYSTEMS. . . P2910, P2911, PHOTOVOLTAIC PANEL SYSYTEMS . . . . . . . . R907
PIERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R606.7
P2912, P2913
NOTCHING Masonry . . . . . . . . . . . . . . . . . . . . . . . . . . . . R404.1.9
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . .E3402.1 PIPE
Fittings . . . . . . . . . . . . . . . . . . . . . . P2906.6, P3002.3
For mechanical systems . . . . . . . . . . . . . . . . . M1308
For plumbing piping . . . . . . . . . . . . . . . . . . . .P2603.2 Materials listing . . . . . . . . . . . Table M2101.1, P2609
Steel joists . . . . . . . . . . . . . . . . . R505.2.5, R505.3.5, Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . P2603
R804.2.5, R804.3.3 Standards, drain,
Steel studs. . . . . . . . . . . . . . . . . .R603.2.6, R603.3.4 waste and vent . . . . . . . . . . . . . . Table P3002.1(1),
Wood joists . . . . . . . . . . . . . . . . . . R502.8, R802.7.1 Table P3002.1(2)
Wood studs . . . . . . . . . . . . . . . . . . . . . . . . . . .R602.6 Standards, sewer . . . . . . . . . . . . . . . . .Table P3002.2
Wood top plates. . . . . . . . . . . . . . . . . . . . . . R602.6.1 Standards, water supply. . . . . . . . . . . . . . . . . . P2906
PIPING
Connections and materials. . . Table M2101.1, P2906
O Drain, waste and vent . . . . . . . . . . . . . . . . . .P3002.1
OCCUPIED SPACE Excavations next to footings . . . . . . . . . . . . .P2604.4
Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R202 Fuel-gas size determination. . . . . . . . . . . Chapter 24
OIL Penetrations. . . . . . . . . . . . . . . . . . . . . . . . . . . P2606
Piping and connections . . . . . . . . . . . . . . . . . . M2202 Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . P2603
Supply pumps and valves . . . . . . . . . . . . . . . . M2204 Sizing methods, water distribution . . . . . . . . .P2903.7
Tanks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M2201 Support. . . . . . . . . . . . . M2101.9, Chapter 24, P2605
OPENING PITS
Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . .R302.5 Appliance location . . . . . . . . . . . . . . . . . M1305.1.3.2
Requirements, PLANNING
combustion air . . . . . . . . . .Chapter 17, Chapter 24 Building . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 3
Waterproofing of piping penetrations. . . . . . .P2606.1 PLANS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R106
OPEN-TOP GAS BROILER UNITS . . . . . . . . M1505.1 PLASTER
OUTLET Exterior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R703.7
Definition . . . . . . . . . . . . . . . . . . . Chapter 24, E3501 Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R702.2
OVEN, WALL-MOUNTED PLATFORM LIFTS AND ELEVATORS . . . . . . . . R321
Definition applied to electrical provisions. . . . . E3501 PLENUM
OVERCURRENT Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R202
Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3501 Definition, electrical installations . . . . . . . . . . . E3501
OVERCURRENT PROTECTION . . . . . . . . . . . . E3705 PLUMBING
OVERCURRENT-PROTECTION RATING. . . . . E3705 Fixture clearances . . . . . . . . . . . . . . . . . . . . . . . R307
OVERLOAD Fixtures . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 27
Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3501 Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . R109.1.2
Materials. . . . . . . . . . . . . . . . P2702.2, P2905, P3002
P Requirements and definitions. . . . . . . . . . . . . . . R202
System, definition. . . . . . . . . . . . . . . . . . . . . . . . R202
PANELBOARD. . . . . . . . . . . . . . . . . . . . . . . . . . E3706 Third-party certification. . . . . . . . . . . . . . . . . .P2609.4
Clearance and dedicated space . . . . . . . . . E3405.2, Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 32
E3405.3
Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 31

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