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