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1.5 Optional compliance method for single family residential compliance. In lieu of calculating total
lumens per Section 401.2, a single residential lot of any size shall be considered in compliance with the Lumen
Cap if it has a maximum of 5 – 850 lumen (60 watt incandescent or 13 watt compact fluorescent) Full Cut-Off
luminaires in Lighting Areas E3, E3a & E2 or a maximum of 4 – 550 lumen (40 watt incandescent or 9 watt
compact fluorescent) in Areas E1c, E1b & E1a. If this option is utilized, no unshielded luminaires are allowed.
401.6 Seasonal Decorations. Seasonal decorations using unshielded low-wattage lamps (not exceeding 7 watts
each) shall be exempted from the Lumen Caps of Table 401.1 from Thanksgiving to the 15
th
of January each
year. This exemption is not applicable to Lighting Area E1a.
Table 401.1
Maximum Total Outdoor Light Output Requirements
Lumen Caps: Developed Area Lumens per Acre
Lighting Area as Defined in
Ch
apter 3
Commercial and industrial
“Option 1” (1)(2) (mostly LPS
lighting)
E3 E3a E2 E1c E1b(5) E1a(5)
Total (full cut-off LPS, plus
full cut-off non-LPS, plus
unshielded)
350,000 250,000 195,000 125,000 48,000 18,000
Limit on non-LPS full cut-off. 35,000 25,000 18,000 6,000 3,000 3,000
Limit on unshielded
component (LPS or non-LPS)
11,000 9,000 3,000 3,000 3,000 0
Commercial and industrial
“Option 2” (1)(2) (full cut-off
for all lighting)
E3 E3a E2 E1c E1b(5) E1a(5)
All lighting must be full cut-off 250,000 150,000 62,000 28,000 25,000 12,500
Limit on unshielded
component
0 0 0 0 0 0
Commercial and industrial
“Option 3” (1)(2) (full cut-off
for most lighting)
E3 E3a E2 E1c E1b(5) E1a(5)
Total (full cut-off plus
unshielded)
175,000 100,000 47,000 20,000 12,500 12,500
Limit on unshielded
component
11,000 9,000 2,700 2,700 2,700 0
All residential zoning (3) E3 E3a E2 E1c E1b(5) E1a(5)
Total (full cut-off plus
unshielded) (4)
55,000 39,000 24,000 15,000 12,000 12,000
Limit on unshielded
component
11,000 9,000 2,700 2,700 2,700 0
Notes to Table 401.1
1. Use any one of the three options, 1, 2, 3 for the developed area.
2. This refers to all land-use zoning classifications for multiple family uses, commercial, and industrial
sites.
3. This refers to all residential land-use zoning, including all densities and types of housing, such as
single family detached and duplexes.
4. For Residential lighting, if at least 75 percent of the installed lumens are from LPS sources, then the
total lumens in the table, for all areas, may be increased by 50 percent.
5. In addition to the lumen caps given in the table above, the maximum illumination level under any
canopy in lighting Area E1a shall not exceed 30 lumens per square foot nor in Area E1b shall not
exceed 55 lumens per square foot of the canopy area.
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012 Tucson/ Pima County Outdoor Lighting Code Page 12 of 17