Full Product Manual

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New Revision to
UL Standard 943 for GFCIs
Underwriters Laboratories (UL) standards
now require newly manufactured GFCIs to be
auto-monitoring (self-testing) by conducting
an internal test to confirm that protected
power is available.
Our complete line of Class A self-test GFCIs periodically
conduct an automatic internal test to confirm that
protected power is available. If the GFCI detects a
problem, one or more of the following will occur:
n Power will be denied (trip with the inability to reset)
n Trip with the ability to reset, subject to the next
auto-monitoring test cycle or repeatedly trip
n Visual indication
GREEN LED - NORMAL OPERATION
• GFCI has passed self-test and is providing power
RED LED - ALERT!
• Blinking - Initial self-test upon first power up
• Solid or blinking - Press TEST and RESET buttons to reset GFCI
• If GFCI will not reset OR solid or blinking red continues,
replace device
NO LED - NO POWER
• GFCI in tripped state
• Press RESET button
• If GFCI will not reset, no power on the circuit
Status Indicator Light
Leviton GFCI devices feature an LED Status Indicator Light which provides
a visual indication to the user of the status of GFCI protection. This is a
convenient way to check the level of protection at-a-glance.