Technical Bulletin
SUGGESTED LEVITON LIGHTING CONTROLS FOR ASHRAE/IES 90.1-2001 STANDARDS COMPLIANCE
Mandatory Provision 1 
• Automatic shutoff of interior lighting is required in buildings of more than 5000 sq. ft. 
Leviton Product Solutions:
• Wall Switch and Ceiling Mount Occupancy Sensors
• EZ-MAX Relay for up to 4 lighting circuits
• Z-MAX Relay for 4 or more lighting circuits
• Dimensions™ D-3200 & D4200 Architectural Lighting Control Systems
• MiniZ, EZ-MAX, or Z-MAX Relays Panels
Mandatory Provision 2
• In buildings of less than 10,000 sq. ft., the maximum space to be managed by an individual lighting
control can’t exceed 2500 sq. ft. For buildings of more than 10,000 sq. ft., the maximum space managed
an individual lighting control can’t exceed 10,000 sq. ft.
• Override of automatic shutoff can’t exceed 4 hours
• Occupancy sensors or manual switching/dimming controls are required for all rooms created 
with par
titions
Leviton Product Solutions:
•
W
all Switch and Ceiling Mount Occupancy Sensors
• Centura Fluorescent Energy Management System, Mini-Z, EZ-MAX and Z-MAX Relay Panels
• Decora Timer Switches
Mandatory Provision 3
• Exterior lighting needs automatic shutoff
Leviton Product Solutions
• EZ-MAX, or Z-MAX Relay Panels as time-clock or with a Photocell
% Reduction
Below ASHRAE
<20% 25% 26% 27% 28% 29% 30% 31% 32%
90.1-2001
Amount of
Eligible Tax
$0.00 $0.30 $0.32 $0.34 $0.36 $0.38 $0.40 $0.42 $0.44
Deduction/sq. ft.
Leviton Mfg. Co., Inc. 
20497 SW Teton Ave., Tualatin, Oregon 97062 • Phone: (503)404-5500 • Fax: (503)404-5600
T
ech Line (8:00
AM – 5:00P
M
P
acific T
ime Monday-F
riday): 1-800-864-2502
Visit our Website at: www.leviton.com
Application Note
LIGHTING ENERGY SAVINGS AND ELIGIBLE TAX DEDUCTIONS PER SQUARE FOOT
% Reduction
Below ASHRAE
<33% 34% 35% 36% 37% 38% 39% 40% >40%
90.1-2001
Amount of
Eligible Tax
$0.46 $0.48 $0.50 $0.52 $0.54 $0.56 $0.58 $0.60 $0.60
Deduction/sq. ft.
G-7353/C6


