Cut Sheet

Tuesday, August 24, 2004 Comparison of the Lighting Requirements of IECC.doc Page 1 of 4
Comparison of the Lighting Requirements of IECC-2003 vs. 90.1-2001 (2004 items have also been added in red)
Category 90.1-2001 (2004 addenda in red, bold, underline) IECC-2003 Comments
Lighting – Section 9 of 90.1 vs. Section 805 of IECC
General 9.1 Covers:
Interior spaces
Exterior features
Exterior building grounds
Exceptions:
Emergency
Living units
Regulated
Decorative gas
805.1 Covers:
Controls
Ballasts
Interior LPDs
Exterior lighting equipment
Exceptions:
Dwelling units
Automatic
Lighting Shutoff
9.2.1.1 Covers:
Buildings > 5,000 sq.ft
Allows:
Time-of-day control covering no more than
25,000 sq.ft or one floor, or
Occupant sensor (30 min), or
Signal from another control or alarm system
Exceptions:
24 hour operations
805.2.2.2 Covers:
Buildings > 5,000 sq.ft
Allows:
Time-of-day control covering no more than
25,000 sq.ft or one floor, or
Occupant intervention
Requires:
Occupant Override
o Readily accessible
o Located to see the lights or is
annunciated
o Manually operated
o 2 hr. max
o Covers 5,000 sq.ft
o Exceptions
Malls, arcades, auditoriums,
single-tenant retail spaces,
industrial and arenas where
override may exceed 2 hours
and cover up to 20,000 sq.ft
Holiday Scheduling
o Exceptions: Retail stores and
associated malls, restaurants, grocery
stores, churches and theaters
Exceptions:
Areas with only 1 luminaire
Areas controlled by occupancy sensing
Corridors, storerooms, restrooms or public
lobbies

Summary of content (4 pages)