Specification
The SmartlockPro
®
Protection Advantage
Patented Reset Lockout
The Reset Lockout feature provides an 
end-of-life indication and prevents reset 
if a SmartlockPro GFCI is damaged so 
that it cannot respond to a ground fault. 
Competitive GFCIs may allow reset even 
if they are no longer providing protection. 
The SmartlockPro RESET button will not 
engage if: 
 The GFCI is miswired due to reversal of the 
line and load leads
  - Delivery of power to feed-through 
terminal and face will be blocked
 There is no power being supplied to the GFCI
 The GFCI cannot pass its internal test
LED Indicator for Line-Load Reversal*
If a SmartlockPro GFCI is miswired during installation (line-load 
reversal) it cannot be reset. The green LED will be ON to indi-
cate a line-load reversal. Once the GFCI is properly wired and 
can be reset, the LED acts as a power indicator that remains 
ON as long as the GFCI is operating correctly and providing 
power. Unlike some other designs that employ a one-time 
feature, Leviton’s line-load reversal protection is not lost or 
disabled after initial installation.
Applications
Residential – Kitchen, bathrooms, garages, basements, laundry rooms, wet sink, 
and other wet locations around the home
Educational Facilities – Classrooms, restrooms, laboratories, dormitories and kitchens
Airports – Public bathrooms, general use and maintenance areas
Restaurants, Lodging and Retail Malls – Public bathrooms, general use and maintenance areas
Commercial Offices – Bathrooms, basement areas, hallways and kitchen facilities
Public Areas – Wherever receptacles are required near wet or damp locations
For a complete list of GFCI applications and code requirements, visit leviton.com/gfci
Takes up to 25% less space in the wallbox vs. other GFCIs
Typical GFCI
New SmartlockPro Slim GFCI
    LED Indication  Reset Status  Reason 
  During initial  ON  Will not reset  Line and load leads
  installation      are reversed
    OFF  Press RESET and  GFCI is wired and
      LED comes ON  operating correctly
  During normal   ON  GFCI is reset  Power is ON 
  OFF  GFCI is tripped  Power is OFF
SmartlockPro Dual-Function LED Indicators*
operation
*Self-test indicators may differ. Refer to instruction sheet.




