


About Klein Tools
As an American manufacturer of hand tools for more than 160 years, Klein Tools makes premium-quality, professional-grade tools that deliver performance, durability and precision. Our team continues to put six generations of expertise into each tool by using the highest quality materials and superior workmanship.
Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day … Since 1857.
AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters and Case
The Circuit Breaker Finder Kit includes components for various 90-120V AC circuit diagnostics. The receiver locates the correct breaker for outlets or fixtures, and the transmitter can connect to other fixtures using the included accessories. Use the transmitter with the alligator clip adapter for bare wires and the light socket adapter to locate the correct circuits
- This circuit breaker finder quickly and accurately identifies the breaker corresponding to an electrical outlet or fixture on 90-120V AC circuits
- The transmitter attaches to the electrical outlet or fixture, while the receiver scans the panel to identify the correct breaker, providing clear indicators when the correct breaker is found
- Inspect the wiring condition at the electrical outlet and test GFCI devices by using the transmitter
- Transmitter also connects to alligator clips adapter for use on bare wires and it connects to the light socket adapter to find the correct circuit for lighting
- The versatile 3-prong to 2-prong adapter increases the amount of compatible outlets
- All components nest in a premium hard carrying case with a dense foam insert for easy organization
- Includes ET310 transmitter and receiver, light socket adapter, 3-prong to 2-prong adapter, alligator clips adapter, user manual, 9V battery for receiver, and a premium carrying case with foam insert
FEATURES

Circuit Breaker Finder locates the correct breaker in a panel

Adapters help locate circuits, ground outlets, test bare wires

Premium carry case with foam insert nests components
![]() Klein Tools ET310CASE Replacement Case for Klein Tools ET310KIT, Compatible w... | ![]() Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, ... | ![]() Klein Tools ET270 Auto-Ranging Digital Multi-Tester, AC/DC, Resistance, Conti... | ![]() Klein Tools ET310TRANS ET310 Circuit Breaker Finder Replacement Transmitter, ... | ![]() Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resist... | ![]() Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to... | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — | — | — |
| Mfg. No. | ET310CASE | RT390 | ET270 | ET310TRANS | ET600 | NCVT1P |
| Description | Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, ... | Klein Tools ET270 Auto-Ranging Digital Multi-Tester, AC/DC, Resistance, Conti... | Klein Tools ET310TRANS ET310 Circuit Breaker Finder Replacement Transmitter, ... | Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resist... | Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to... | Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Teste... |

AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters and Case

About Klein Tools
As an American manufacturer of hand tools for more than 160 years, Klein Tools makes premium-quality, professional-grade tools that deliver performance, durability and precision. Our team continues to put six generations of expertise into each tool by using the highest quality materials and superior workmanship.
Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day … Since 1857.

The Circuit Breaker Finder Kit includes components for various 90-120V AC circuit diagnostics. The receiver locates the correct breaker for outlets or fixtures, and the transmitter can connect to other fixtures using the included accessories. Use the transmitter with the alligator clip adapter for bare wires and the light socket adapter to locate the correct circuits
- This circuit breaker finder quickly and accurately identifies the breaker corresponding to an electrical outlet or fixture on 90-120V AC circuits
- The transmitter attaches to the electrical outlet or fixture, while the receiver scans the panel to identify the correct breaker, providing clear indicators when the correct breaker is found
- Inspect the wiring condition at the electrical outlet and test GFCI devices by using the transmitter
- Transmitter also connects to alligator clips adapter for use on bare wires and it connects to the light socket adapter to find the correct circuit for lighting
- The versatile 3-prong to 2-prong adapter increases the amount of compatible outlets
- All components nest in a premium hard carrying case with a dense foam insert for easy organization
- Includes ET310 transmitter and receiver, light socket adapter, 3-prong to 2-prong adapter, alligator clips adapter, user manual, 9V battery for receiver, and a premium carrying case with foam insert
FEATURES

Circuit Breaker Finder locates the correct breaker in a panel

Adapters help locate circuits, ground outlets, test bare wires

Premium carry case with foam insert nests components
![]() Klein Tools ET310CASE Replacement Case for Klein Tools ET310KIT, Compatible w... | ![]() Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, ... | ![]() Klein Tools ET270 Auto-Ranging Digital Multi-Tester, AC/DC, Resistance, Conti... | ![]() Klein Tools ET310TRANS ET310 Circuit Breaker Finder Replacement Transmitter, ... | ![]() Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resist... | ![]() Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to... | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — | — | — |
| Mfg. No. | ET310CASE | RT390 | ET270 | ET310TRANS | ET600 | NCVT1P |
| Description | Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, ... | Klein Tools ET270 Auto-Ranging Digital Multi-Tester, AC/DC, Resistance, Conti... | Klein Tools ET310TRANS ET310 Circuit Breaker Finder Replacement Transmitter, ... | Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resist... | Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to... | Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Teste... |





















