INSTRUCTION MANUAL
GT-12A Voltage Detector
52065734
© 2013 Greenlee Textron Inc.
3/13
Description
The Greenlee GT-12A Voltage Detector is intended to check for the presence
of AC voltage, signaling the user with an intermittent tone and flashing LED.
The tone can be disabled using the Smart ON/OFF button. The GT-12A has
a Self Test feature that continuously tests the integrity of the entire unit
including the antenna. The GT-12A also features low battery indication and
an auto power off feature.
This tool is protected by U.S. Patent No. 7,733,078 and Canadian Patent No.
2,607,922.
Safety
Safety is essential in the use and maintenance of Greenlee tools and
equipment. This instruction manual and any markings on the tool provide
information for avoiding hazards and unsafe practices related to the use of
this tool. Observe all of the safety information provided.
Purpose of This Manual
This instruction manual is intended to familiarize all personnel with
the safe operation and maintenance procedures for the Greenlee GT-12A
Voltage Detector.
Keep this manual available to all personnel. Replacement manuals are
available upon request at no charge at www.greenlee.com.
Do not discard this product or throw away!
For recycling information, go to www.greenlee.com.
All specifications are nominal and may change as design improvements occur.
Greenlee Textron Inc. shall not be liable for damages resulting from misapplication
or misuse of its products.
® Registered: The color green for electrical test instruments is a registered
trademark of Greenlee Textron Inc.
ROMEX is a registered trademark of Southwire Company.
Symbols on the Unit
Warning—Read the instruction manual
Double insulation
Important Safety Information
Read
and
understand
this material before operating
or servicing this equipment. Failure to understand how
to safely operate this tool could result in an accident
causing serious injury or death.
Electric shock hazard:
Contact with live circuits could result in severe injury
or death.
Electric shock hazard:
•
Do not assume that no voltage indication means that the circuit
is de-energized.
•
Follow the 3-point safety method as described in the “Operation”
section (steps 3, 4, and 5).
• Do not use the unit if it is wet or damaged.
• Do not apply more than the rated voltage between the tip and earth
ground.
• Do not operate with the case open.
• This tester will not detect voltage through metal conduit, on armored
or shielded cable, on sheathed nonmetallic cable that is saturated
with water, or at a distance such as through walls.
• Using this unit near equipment that generates electromagnetic
interference can result in unstable or inaccurate readings.
Failure to observe these warnings could result in severe injury or death.
Electric shock hazard:
• Do not attempt to repair this unit. It contains no user-serviceable parts.
• Do not expose the unit to extremes in temperature or high humidity.
Refer to “Specifications.”
Failure to observe these precautions may result in injury and can damage
the unit.
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
