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To ensure safe operation and service of the tester, follow these instructions.
Failure to observe these warnings can result in severe injury or death.
• Before each use:
• Verify meter operation by measuring a known voltage or current.
• Verify receptacle tester operation by testing on a known live and correctly
wired electrical outlet.
• Never use the tester on a circuit with voltages that exceed the category based
rating of this tester.
• Do not use the tester during electrical storms or in wet weather.
• Do not use the tester or test leads if they appear to be damaged.
• Probe assemblies to be used for MAINS measurements shall meet IEC/EN
61010-031 with a voltage RATING of CAT III 600V or better.
• Ensure tester leads or Receptacle Test Cord
fingers away from the metal probe contacts when making measurements.
• Do not open the tester to replace batteries while the probes are connected.
• Use caution when working with voltages above 25V AC RMS or 60V DC. Such
voltages pose a shock hazard.
• To avoid false readings when performing a receptacle test* that can lead to
electrical shock:
• Replace batteries when a low battery indicator appears.
• All appliances or equipment on the circuit being tested should be
disconnected.
• Turn off or move away from equipment which cause electromagnetic
interference.
• Hold the body of the tester with a bare hand.
• Stand on or connect to earth ground.
• Perform test in an environment where air humidity is nominal (50%
relative humidity).
• Hold the tester still.
• Do not attempt to measure resistance or continuity on a live circuit.
• Always adhere to local and national safety codes. Use personal protective
equipment to prevent shock and arc blast injury where hazardous live
conductors are exposed.
• The ET270 Receptacle Test Cord
3-wire grounded 120V electrical outlets. DO NOT connect to higher voltage
electrical supplies.
• The tester is intended for indoor use only.
• This receptacle tester operation only detects common wiring problems.
ALWAYS consult a qualified electrician to resolve wiring problems. The device:
• Will not indicate quality of ground.
• Will not indicate two hot wires in a circuit.
• Will not detect a combination of multiple wiring faults.
• Will not indicate reversed ground and neutral.
• DO NOT attempt GFCI ground fault testing on an incorrectly wired circuit.
Consult a qualified electrician to resolve wiring problems.
*One of the limitations of a receptacle tester is that it relies on the externally closed circuit between the
"Power-In" and the Neutral and/or Ground conductor to function. Because of this, the tester may give
a false indication of "no voltage present" or "Open Hot" if the "Power-In" wire is energized and the
Neutral and Ground conductors are both open (dual open wiring fault). Proper procedure in this case
is to check the circuit with a multimeter to verify the finding indicated by the tester.
6
WARNINGS
are fully seated, and keep
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is designed for use with North American
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