Shop circuit breaker load tester

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$44.97
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
18K+
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$44.97
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
18K+
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Flotech Truck Tester Kit W/ Handle And Test Leads - FT555PA
John M. Ellsworth Co., Inc.
$2,368.40
Flotech Truck Tester Kit W/ Handle And Test Leads - FT555PA
John M. Ellsworth Co., Inc.
$89.99
Autel Powerscan Automotive Circuit Tester: 2026 Power Circuit Probe Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current
Amazon.com
71
Free shipping
$89.99
Autel Powerscan Automotive Circuit Tester: 2026 Power Circuit Probe Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current
Amazon.com
71
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
6K+
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Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
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ETI PI-250 Gen2 - Portable Circuit Breaker Test Set - Peak Output 1000A, F-B156
TEquipment
$9,652.00
ETI PI-250 Gen2 - Portable Circuit Breaker Test Set - Peak Output 1000A, F-B156
TEquipment
$1,199.00
Rigol DL3031A Programmable DC Electronic Load (Single Channel, 150V/60A/30Khz 350W) With High Resolution
TEquipment
$1,199.00
Rigol DL3031A Programmable DC Electronic Load (Single Channel, 150V/60A/30Khz 350W) With High Resolution
TEquipment
$210.50
Ideal 240 To 120 Vac, 47 To 63 Hz, Screenless Circuit Breaker Finder 9 Volt, Includes Gfci Receptacle Tester, Noncontact Voltage Sensor 61-534
Penn Tool Co
1K+
$210.50
Ideal 240 To 120 Vac, 47 To 63 Hz, Screenless Circuit Breaker Finder 9 Volt, Includes Gfci Receptacle Tester, Noncontact Voltage Sensor 61-534
Penn Tool Co
1K+
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T5-600 Electrical Tester And BK120 Breaker Finder
Home Depot
Free shipping
$244.98
T5-600 Electrical Tester And BK120 Breaker Finder
Home Depot
Free shipping
$64.81
Extech Circuit Breaker Finder: CB10, 90 To 120V AC, Energized, 47 To 63 Hz, CE/Culus, No Display Model: CB10
Grainger
2K+
$64.81
Extech Circuit Breaker Finder: CB10, 90 To 120V AC, Energized, 47 To 63 Hz, CE/Culus, No Display Model: CB10
Grainger
2K+
$279.95
Extech CT70 AC Circuit Load Tester, 240 AC Voltage
Global Industrial
2K+
$279.95
Extech CT70 AC Circuit Load Tester, 240 AC Voltage
Global Industrial
2K+
$176.64
Associated 6034 Carbon Pile Load Tester 500 AMP
Mile-X Equipment, Inc.
38
Free shipping
$176.64
Associated 6034 Carbon Pile Load Tester 500 AMP
Mile-X Equipment, Inc.
38
$279.00
Extech CT70 AC Circuit Load Tester
Globaltestsupply.com
1
$279.00
Extech CT70 AC Circuit Load Tester
Globaltestsupply.com
1
$79.97
Digitial Circuit Breaker Finder With Digital GFCI Receptacle Tester
Home Depot
185
Free shipping
$79.97
Digitial Circuit Breaker Finder With Digital GFCI Receptacle Tester
Home Depot
185
$279.00
Extech AC Circuit Load Tester 2.8, 8" X 2" | Cole-Parmer
Cole-Parmer
2K+
$279.00
Extech AC Circuit Load Tester 2.8, 8" X 2" | Cole-Parmer
Cole-Parmer
2K+
$95.71
Fluke Circuit Breaker Finder: FLUKE-BK120, 110 To 125V AC, Energized, CAT III 150V, 50 To 60 Hz Model: FLUKE-BK120
Grainger
276
$95.71
Fluke Circuit Breaker Finder: FLUKE-BK120, 110 To 125V AC, Energized, CAT III 150V, 50 To 60 Hz Model: FLUKE-BK120
Grainger
276
$67.94
Digital Circuit Breaker Finder And AC/DC Voltage Tester Tool Set
Home Depot
1K+
Free shipping
$67.94
Digital Circuit Breaker Finder And AC/DC Voltage Tester Tool Set
Home Depot
1K+
$317.33
Extech Receptacle Tester With GFCI: Displays Peak Line Volt And Freq, GFCI & AC Circuit Analyzers Model: CT70
Grainger
2K+
$317.33
Extech Receptacle Tester With GFCI: Displays Peak Line Volt And Freq, GFCI & AC Circuit Analyzers Model: CT70
Grainger
2K+
$57.99
Extech CB10 AC Circuit Breaker Finder/Receptacle Tester
Globaltestsupply.com
2
$57.99
Extech CB10 AC Circuit Breaker Finder/Receptacle Tester
Globaltestsupply.com
2
$69.54
ET310 Digital Circuit Breaker Finder & GFCI Outlet Tester
Northern Safety Co., Inc.
4
$69.54
ET310 Digital Circuit Breaker Finder & GFCI Outlet Tester
Northern Safety Co., Inc.
4
$34.98
Kobalt Circuit Breaker Finder Specialty Meter | CT-260
Lowe's
16
$34.98
Kobalt Circuit Breaker Finder Specialty Meter | CT-260
Lowe's
16
$10,824.00
SMC PME-500-TR (5M) Circuit Breaker Analyzer With 5m Leads
TEquipment
$10,824.00
SMC PME-500-TR (5M) Circuit Breaker Analyzer With 5m Leads
TEquipment
$38.99
$89.00
MS5902 Automatic Circuit Breaker Finder Fuse Socket Tester 220V 110V LED Indicator Flashlight Circuit Diagnostic Tool Electrical Maintenance Helper
Banggood
56% off
$38.99
$89.00
MS5902 Automatic Circuit Breaker Finder Fuse Socket Tester 220V 110V LED Indicator Flashlight Circuit Diagnostic Tool Electrical Maintenance Helper
Banggood
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
289
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
289
$44.98
Klein Tools Digital Circuit Breaker Finder With GFCI Outlet Tester In Orange | ET310
Lowe's
4
$44.98
Klein Tools Digital Circuit Breaker Finder With GFCI Outlet Tester In Orange | ET310
Lowe's
4
$48.95
Jonard Tools Circuit Breaker Finder With GFCI Tester, CBF-100
FireFold
6
$48.95
Jonard Tools Circuit Breaker Finder With GFCI Tester, CBF-100
FireFold
6
$59.95
KLEIN TOOLS Digital Circuit Breaker Finder With GFCI Outlet Tester, Includes Transmitter, Receiver, 9V Battery, ET310
Zoro.com
4
$59.95
KLEIN TOOLS Digital Circuit Breaker Finder With GFCI Outlet Tester, Includes Transmitter, Receiver, 9V Battery, ET310
Zoro.com
4
$38.55
$46.79
ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Aliexpress
Free shipping
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$38.55
$46.79
ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Aliexpress
Free shipping
$54.00
$90.00
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece(Premium Tester 3-Piece Kit)
evacontinental.com
40% off
$54.00
$90.00
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece(Premium Tester 3-Piece Kit)
evacontinental.com
$164.99
Et310 Ac Circuit Breaker Finder, Electric Tester With Integrated Gfci
eBay
Free shipping
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Et310 Ac Circuit Breaker Finder, Electric Tester With Integrated Gfci
eBay
Free shipping
$218.39
$239.99
Fluke BK120-T5-600 Electrical Tester And Breaker Finder Bundle
Transcat
3
$218.39
$239.99
Fluke BK120-T5-600 Electrical Tester And Breaker Finder Bundle
Transcat
3
$68.40
$114.00
Klein Tools 80064 AC Circuit Breaker Kit - 3-Piece Outlet Tester With LCD Display Circuit Breaker Finder Accessory Kit(3-Piece Kit/Breaker Kit + Outlet Tester + Accessory)
evacontinental.com
39% off
$68.40
$114.00
Klein Tools 80064 AC Circuit Breaker Kit - 3-Piece Outlet Tester With LCD Display Circuit Breaker Finder Accessory Kit(3-Piece Kit/Breaker Kit + Outlet Tester + Accessory)
evacontinental.com
$38.99
$95.00
MS5902 Automatic Circuit Breaker Finder Fuse Socket Tester 220V 110V LED Indicator Flashlight Circuit Diagnostic Tool Electrical Maintenance Helper
Banggood
58% off
$38.99
$95.00
MS5902 Automatic Circuit Breaker Finder Fuse Socket Tester 220V 110V LED Indicator Flashlight Circuit Diagnostic Tool Electrical Maintenance Helper
Banggood
$38.99
$95.00
MS5902 Automatic Circuit Breaker Finder Fuse Socket Tester 220V 110V LED Indicator Flashlight Circuit Diagnostic Tool Electrical Maintenance Helper
USA.Banggood
58% off
$38.99
$95.00
MS5902 Automatic Circuit Breaker Finder Fuse Socket Tester 220V 110V LED Indicator Flashlight Circuit Diagnostic Tool Electrical Maintenance Helper
USA.Banggood
$14,373.51
S33595 - Square D Full Function Test Kit For Circuit Breakers 115-230 Vac, 24 Vdc Power, Category II
Essential Electric Supply
$14,373.51
S33595 - Square D Full Function Test Kit For Circuit Breakers 115-230 Vac, 24 Vdc Power, Category II
Essential Electric Supply
$49.97
Klein Tools - Digital Circuit Breaker Finder With GFCI Outlet Tester - (ET310)
EngineerSupply.com
4
Free shipping
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Klein Tools - Digital Circuit Breaker Finder With GFCI Outlet Tester - (ET310)
EngineerSupply.com
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$66.79
Circuit Breaker Finder Tool Kit With Gfci Outlet Tester And Buzzer
eBay
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Shop circuit breaker load tester

Sponsored
About our ads
$279.00
Extech CT70 AC Circuit Load Tester
Globaltestsupply.com
1
$279.00
Extech CT70 AC Circuit Load Tester
Globaltestsupply.com
$79.97
Digitial Circuit Breaker Finder With Digital GFCI Receptacle Tester
Home Depot
185
Free shipping
$79.97
Digitial Circuit Breaker Finder With Digital GFCI Receptacle Tester
Home Depot
$279.00
Extech AC Circuit Load Tester 2.8, 8" X 2" | Cole-Parmer
Cole-Parmer
2K+
$279.00
Extech AC Circuit Load Tester 2.8, 8" X 2" | Cole-Parmer
Cole-Parmer
$95.71
Fluke Circuit Breaker Finder: FLUKE-BK120, 110 To 125V AC, Energized, CAT III 150V, 50 To 60 Hz Model: FLUKE-BK120
Grainger
276
$95.71
Fluke Circuit Breaker Finder: FLUKE-BK120, 110 To 125V AC, Energized, CAT III 150V, 50 To 60 Hz Model: FLUKE-BK120
Grainger
$67.94
Digital Circuit Breaker Finder And AC/DC Voltage Tester Tool Set
Home Depot
1K+
Free shipping
$67.94
Digital Circuit Breaker Finder And AC/DC Voltage Tester Tool Set
Home Depot
$317.33
Extech Receptacle Tester With GFCI: Displays Peak Line Volt And Freq, GFCI & AC Circuit Analyzers Model: CT70
Grainger
2K+
$317.33
Extech Receptacle Tester With GFCI: Displays Peak Line Volt And Freq, GFCI & AC Circuit Analyzers Model: CT70
Grainger
$57.99
Extech CB10 AC Circuit Breaker Finder/Receptacle Tester
Globaltestsupply.com
2
$57.99
Extech CB10 AC Circuit Breaker Finder/Receptacle Tester
Globaltestsupply.com
$69.54
ET310 Digital Circuit Breaker Finder & GFCI Outlet Tester
Northern Safety Co., Inc.
4
$69.54
ET310 Digital Circuit Breaker Finder & GFCI Outlet Tester
Northern Safety Co., Inc.
$34.98
Kobalt Circuit Breaker Finder Specialty Meter | CT-260
Lowe's
16
$34.98
Kobalt Circuit Breaker Finder Specialty Meter | CT-260
Lowe's
$10,824.00
SMC PME-500-TR (5M) Circuit Breaker Analyzer With 5m Leads
TEquipment
$10,824.00
SMC PME-500-TR (5M) Circuit Breaker Analyzer With 5m Leads
TEquipment
$38.99
$89.00
MS5902 Automatic Circuit Breaker Finder Fuse Socket Tester 220V 110V LED Indicator Flashlight Circuit Diagnostic Tool Electrical Maintenance Helper
Banggood
56% off
$38.99
$89.00
MS5902 Automatic Circuit Breaker Finder Fuse Socket Tester 220V 110V LED Indicator Flashlight Circuit Diagnostic Tool Electrical Maintenance Helper
Banggood
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
289
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
$44.98
Klein Tools Digital Circuit Breaker Finder With GFCI Outlet Tester In Orange | ET310
Lowe's
4
$44.98
Klein Tools Digital Circuit Breaker Finder With GFCI Outlet Tester In Orange | ET310
Lowe's
$48.95
Jonard Tools Circuit Breaker Finder With GFCI Tester, CBF-100
FireFold
6
$48.95
Jonard Tools Circuit Breaker Finder With GFCI Tester, CBF-100
FireFold
$59.95
KLEIN TOOLS Digital Circuit Breaker Finder With GFCI Outlet Tester, Includes Transmitter, Receiver, 9V Battery, ET310
Zoro.com
4
$59.95
KLEIN TOOLS Digital Circuit Breaker Finder With GFCI Outlet Tester, Includes Transmitter, Receiver, 9V Battery, ET310
Zoro.com
$38.55
$46.79
ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Aliexpress
Free shipping
17% off
$38.55
$46.79
ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Aliexpress
$54.00
$90.00
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece(Premium Tester 3-Piece Kit)
evacontinental.com
40% off
$54.00
$90.00
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece(Premium Tester 3-Piece Kit)
evacontinental.com
$164.99
Et310 Ac Circuit Breaker Finder, Electric Tester With Integrated Gfci
eBay
Free shipping
$164.99
Et310 Ac Circuit Breaker Finder, Electric Tester With Integrated Gfci
eBay

Shop circuit breaker load tester

Sponsored
About our ads
$44.97
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
18K+
Free shipping
10% off
$44.97
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
18K+
$2,368.40
Flotech Truck Tester Kit W/ Handle And Test Leads - FT555PA
John M. Ellsworth Co., Inc.
$2,368.40
Flotech Truck Tester Kit W/ Handle And Test Leads - FT555PA
John M. Ellsworth Co., Inc.
$89.99
Autel Powerscan Automotive Circuit Tester: 2026 Power Circuit Probe Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current
Amazon.com
71
Free shipping
$89.99
Autel Powerscan Automotive Circuit Tester: 2026 Power Circuit Probe Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current
Amazon.com
71
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
6K+
Free shipping
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
6K+
$9,652.00
ETI PI-250 Gen2 - Portable Circuit Breaker Test Set - Peak Output 1000A, F-B156
TEquipment
$9,652.00
ETI PI-250 Gen2 - Portable Circuit Breaker Test Set - Peak Output 1000A, F-B156
TEquipment
$1,199.00
Rigol DL3031A Programmable DC Electronic Load (Single Channel, 150V/60A/30Khz 350W) With High Resolution
TEquipment
$1,199.00
Rigol DL3031A Programmable DC Electronic Load (Single Channel, 150V/60A/30Khz 350W) With High Resolution
TEquipment
$210.50
Ideal 240 To 120 Vac, 47 To 63 Hz, Screenless Circuit Breaker Finder 9 Volt, Includes Gfci Receptacle Tester, Noncontact Voltage Sensor 61-534
Penn Tool Co
1K+
$210.50
Ideal 240 To 120 Vac, 47 To 63 Hz, Screenless Circuit Breaker Finder 9 Volt, Includes Gfci Receptacle Tester, Noncontact Voltage Sensor 61-534
Penn Tool Co
1K+
$244.98
T5-600 Electrical Tester And BK120 Breaker Finder
Home Depot
Free shipping
$244.98
T5-600 Electrical Tester And BK120 Breaker Finder
Home Depot
Free shipping
$64.81
Extech Circuit Breaker Finder: CB10, 90 To 120V AC, Energized, 47 To 63 Hz, CE/Culus, No Display Model: CB10
Grainger
2K+
$64.81
Extech Circuit Breaker Finder: CB10, 90 To 120V AC, Energized, 47 To 63 Hz, CE/Culus, No Display Model: CB10
Grainger
2K+
$279.95
Extech CT70 AC Circuit Load Tester, 240 AC Voltage
Global Industrial
2K+
$279.95
Extech CT70 AC Circuit Load Tester, 240 AC Voltage
Global Industrial
2K+
$176.64
Associated 6034 Carbon Pile Load Tester 500 AMP
Mile-X Equipment, Inc.
38
Free shipping
$176.64
Associated 6034 Carbon Pile Load Tester 500 AMP
Mile-X Equipment, Inc.
38
$279.00
Extech CT70 AC Circuit Load Tester
Globaltestsupply.com
1
$279.00
Extech CT70 AC Circuit Load Tester
Globaltestsupply.com
1
$79.97
Digitial Circuit Breaker Finder With Digital GFCI Receptacle Tester
Home Depot
185
Free shipping
$79.97
Digitial Circuit Breaker Finder With Digital GFCI Receptacle Tester
Home Depot
185
$279.00
Extech AC Circuit Load Tester 2.8, 8" X 2" | Cole-Parmer
Cole-Parmer
2K+
$279.00
Extech AC Circuit Load Tester 2.8, 8" X 2" | Cole-Parmer
Cole-Parmer
2K+
$95.71
Fluke Circuit Breaker Finder: FLUKE-BK120, 110 To 125V AC, Energized, CAT III 150V, 50 To 60 Hz Model: FLUKE-BK120
Grainger
276
$95.71
Fluke Circuit Breaker Finder: FLUKE-BK120, 110 To 125V AC, Energized, CAT III 150V, 50 To 60 Hz Model: FLUKE-BK120
Grainger
276
$67.94
Digital Circuit Breaker Finder And AC/DC Voltage Tester Tool Set
Home Depot
1K+
Free shipping
$67.94
Digital Circuit Breaker Finder And AC/DC Voltage Tester Tool Set
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Extech Receptacle Tester With GFCI: Displays Peak Line Volt And Freq, GFCI & AC Circuit Analyzers Model: CT70
Grainger
2K+
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Extech Receptacle Tester With GFCI: Displays Peak Line Volt And Freq, GFCI & AC Circuit Analyzers Model: CT70
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2K+
$57.99
Extech CB10 AC Circuit Breaker Finder/Receptacle Tester
Globaltestsupply.com
2
$57.99
Extech CB10 AC Circuit Breaker Finder/Receptacle Tester
Globaltestsupply.com
2