Triplett ET550 User Manual

User Maual
ET550
AFCI/GFCI and Circuit Load Tester
1.General Specifications
• The instrument is an electrical outlet tester that tests the wiring condition at an electrical outlet, and inspects
GFCI and AFCI devices.
•
It is designed for use with North American 120V electrical outlets.
2.Safety
WARNINGS: To ensure safe operation and service of the tester, follow these instructions, failure to observe
these warnings can result in severe injury or death.
• The instrument is designed for use with North American 120V electrical outlets, do not connect to higher voltage
electrical supplies.
• Prior to use, always verify tester operation by testing on a known live and correctly wired electrical outlet.
• Do not attempt an AFCI testing event on a circuit with powered ON equipment or devices, remove or power OFF
prior to testing.
• Do not use if the tester appears damaged in any way.
• The tester is intended for indoor use only.
• Other equipment or devices attached to the circuit being tested could interfere with the tester, clear the circuit
before testing.
• This tester only detects common wiring problems, always consult a qualified electrician to resolve wiring problems.
• Do not attempt AFCI, GFCI or 30mA ground fault testing on an incorrectly wired outlet, consult a qualified electrician
to resolve wiring problems.
3.Specifications
Operating Altitude 2000m (6562ft.)
Relative Humidity <85% Non-condensing
Operating Temp 0 to 50°C (32 to 122°F)
Storage Temp -20 to 60°C (-4 to 140°F)
Dimensions 188 x 58 x 32mm (7.4 x 2.3 x 1.3in)
Weight 241g (8.5oz.) including batteries
Battery Type 3 x 1.5V AAA Alkaline
Pollution Degree 2
Drop Protection 2m (6.6ft.)
Ingress Protection IP40 Dust Resistant
Safety Rating CAT III 135V
CAT III Measurement category III is applicable to test and measuring circuits connected to the
distribution part of the building's low-voltage MAINS installation; Specifications subject to
change.
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4.Feature Details
1-Hazardous Voltage Warning
2-Wiring Condition Indicators
3-GFCI Indicator
4-GFCI Test Button
5-30mA Indicator
6-30mA Ground Fault Test Button
7-AFCI Test Button
8-AFCI Indicator
9-Power ON/Low Battery Indicator
10-Power Button
11-Circuit Energized/Not Energized Indicator
12-Plug
13-Battery Cover
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