购买 circuit breaker basics

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$119.99
Square D HOM115PCAFIC 3 Pack 15Amp 120V Homeline Plug-On Neutral Single-Pole CAFCI Circuit Breaker, Black
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57
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$119.99
Square D HOM115PCAFIC 3 Pack 15Amp 120V Homeline Plug-On Neutral Single-Pole CAFCI Circuit Breaker, Black
Amazon.com
57
$63.16
Siemens 25 Amp Double-Pole And (2) 15 Amp Single-Pole Type QT Triplex Circuit Breaker
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128
Free shipping
$63.16
Siemens 25 Amp Double-Pole And (2) 15 Amp Single-Pole Type QT Triplex Circuit Breaker
Amazon.com
128
$33.18
Bussmann Series CB185 150A Type III Circuit Breaker - 1 Piece
Amazon.com
64
$33.18
Bussmann Series CB185 150A Type III Circuit Breaker - 1 Piece
Amazon.com
64
$41.50
BRP115AF 15 Amp Single Pole AFCI Arc Fault Circuit Breaker, Plug-On Neutral, 120V, 10Kaic, UL Listed (1)
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$41.50
BRP115AF 15 Amp Single Pole AFCI Arc Fault Circuit Breaker, Plug-On Neutral, 120V, 10Kaic, UL Listed (1)
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$41.30
20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker
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155
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$41.30
20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker
Amazon.com
155
$38.92
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
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468
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$38.92
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
468
$199.90
Square D By Schneider Electric HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker, (Pack Of 4)
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71
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$199.90
Square D By Schneider Electric HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker, (Pack Of 4)
Amazon.com
71
$412.26
EMSER Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black(Pack Of 10)
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$412.26
EMSER Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black(Pack Of 10)
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$64.00
Square D By Schneider Electric HOMT1515215CP Homeline Tandem Circuit Breaker, 2X1 Pole, 1X2 Pole, 15A, 120/240VAC, 10Ka AIR, Plug In, UL, Black
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100
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$64.00
Square D By Schneider Electric HOMT1515215CP Homeline Tandem Circuit Breaker, 2X1 Pole, 1X2 Pole, 15A, 120/240VAC, 10Ka AIR, Plug In, UL, Black
Amazon.com
100
$38.75
BRP120AF Circuit Breaker, AFCI, 20-Amp - Quantity 2020
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250
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$38.75
BRP120AF Circuit Breaker, AFCI, 20-Amp - Quantity 2020
Amazon.com
250
$113.00
Square D QO120 Circuit Breaker, 10 Pack, QO, 20 Amps, 120 Volts, UL Listed, 1 Pole, 10Ka AIR, Standard Type, Plug In, Qty 10
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68
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$113.00
Square D QO120 Circuit Breaker, 10 Pack, QO, 20 Amps, 120 Volts, UL Listed, 1 Pole, 10Ka AIR, Standard Type, Plug In, Qty 10
Amazon.com
68
$132.99
Square D By Schneider Electric Square D - QO220GFICP QO Circuit Breaker, 20-Amp, 120/240V, 2-Pole, GFCI, Plug-In Mount
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289
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$132.99
Square D By Schneider Electric Square D - QO220GFICP QO Circuit Breaker, 20-Amp, 120/240V, 2-Pole, GFCI, Plug-In Mount
Amazon.com
289
$147.19
Leviton LB120-DST 2nd Gen Smart Circuit Breaker With Remote Control, Dual Function AFCI/GFCI, 1-Pole 20 Amp, 120-Volt, 10Ka Interrupt Rating
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32
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$147.19
Leviton LB120-DST 2nd Gen Smart Circuit Breaker With Remote Control, Dual Function AFCI/GFCI, 1-Pole 20 Amp, 120-Volt, 10Ka Interrupt Rating
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32
$41.00
Square D By Schneider Electric Homeline 15 Amp Mini Circuit Breaker, 1 Pole, 120V AC, 10Ka Breaking Capacity, Plug In Mount, CAFI/CAFCI, Residential
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435
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$41.00
Square D By Schneider Electric Homeline 15 Amp Mini Circuit Breaker, 1 Pole, 120V AC, 10Ka Breaking Capacity, Plug In Mount, CAFI/CAFCI, Residential
Amazon.com
435
$40.00
ABB Q-Line THQL1120AFP2 20A Single Pole Arc Fault Combination Circuit Breaker 20 Amp Single Pole 120 VAC AFCI Breaker Arc Fault Circuit
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11
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$40.00
ABB Q-Line THQL1120AFP2 20A Single Pole Arc Fault Combination Circuit Breaker 20 Amp Single Pole 120 VAC AFCI Breaker Arc Fault Circuit
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11
$45.85
SIEMENS QF120A Gfci Circuit Breaker, Plug In, Self Testing, 20 Amp, 1-Pole, 120 Volt
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1 千+
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$45.85
SIEMENS QF120A Gfci Circuit Breaker, Plug In, Self Testing, 20 Amp, 1-Pole, 120 Volt
Amazon.com
1 千+
$142.45
Leviton 2nd Gen Smart Circuit Breaker With Remote Control, Standard, 2-Pole 20 Amp, 120/240-Volt And 120/208-Volt, 10Ka Interrupt Rating, LB220-ST
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$142.45
Leviton 2nd Gen Smart Circuit Breaker With Remote Control, Standard, 2-Pole 20 Amp, 120/240-Volt And 120/208-Volt, 10Ka Interrupt Rating, LB220-ST
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$55.10
Connecticut Electric UBIZ0230 Newly Manufactured Zinsco RC3830 Replacement Two Pole 30 Amp Thin Series Circuit Breaker,240 Volts, Gray
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358
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$55.10
Connecticut Electric UBIZ0230 Newly Manufactured Zinsco RC3830 Replacement Two Pole 30 Amp Thin Series Circuit Breaker,240 Volts, Gray
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358
$56.19
Connecticut Electric UBIZ0220-New Zinsco RC3820 Replacement Two Pole 20 Amp Thin Series Circuit Breaker
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592
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$56.19
Connecticut Electric UBIZ0220-New Zinsco RC3820 Replacement Two Pole 20 Amp Thin Series Circuit Breaker
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592
$52.99
Square D QO115PAFGF Combination Circuit Breaker - New Version Of QO115PDF
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$52.99
Square D QO115PAFGF Combination Circuit Breaker - New Version Of QO115PDF
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$149.95
Eaton BRN260GF 2 Pole 60 Amp 120/240 V BR GFCI Circuit Breaker Replaces GFTCB260
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18
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$149.95
Eaton BRN260GF 2 Pole 60 Amp 120/240 V BR GFCI Circuit Breaker Replaces GFTCB260
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18
$261.99
Homeline Plug-On Circuit Breaker HOM2150BB Branch 150 AMP UL Approved
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50
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$261.99
Homeline Plug-On Circuit Breaker HOM2150BB Branch 150 AMP UL Approved
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50
$49.99
CUTLER-HAMMER BRN120AF 20 Amp Single Pole Arc Fault Circuit Breaker - 120 Volt, Pigtail Neutral, UL Listed (1)
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19
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$49.99
CUTLER-HAMMER BRN120AF 20 Amp Single Pole Arc Fault Circuit Breaker - 120 Volt, Pigtail Neutral, UL Listed (1)
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19
Circuit Breaker Basics - How do they work?
1:51
YouTubeThe Engineering Mindset
Circuit Breaker Basics - How do they work?
In this video, we'll discuss the basics of circuit breakers. We'll cover the types of circuit breakers and their uses, as well as the different types of circuit protection. After watching this video, you'll be able to understand and use circuit breakers effectively 👉 👉👉 FREE design software ️ https://www.altium.com/asp/the ...
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How to Safely Secure Two Wires in an Electrical Circuit Breaker – Step-by-Step Guide
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购买 circuit breaker basics

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$119.99
Square D HOM115PCAFIC 3 Pack 15Amp 120V Homeline Plug-On Neutral Single-Pole CAFCI Circuit Breaker, Black
Amazon.com
57
Free shipping
$119.99
Square D HOM115PCAFIC 3 Pack 15Amp 120V Homeline Plug-On Neutral Single-Pole CAFCI Circuit Breaker, Black
Amazon.com
57
$63.16
Siemens 25 Amp Double-Pole And (2) 15 Amp Single-Pole Type QT Triplex Circuit Breaker
Amazon.com
128
Free shipping
$63.16
Siemens 25 Amp Double-Pole And (2) 15 Amp Single-Pole Type QT Triplex Circuit Breaker
Amazon.com
128
$33.18
Bussmann Series CB185 150A Type III Circuit Breaker - 1 Piece
Amazon.com
64
$33.18
Bussmann Series CB185 150A Type III Circuit Breaker - 1 Piece
Amazon.com
64
$41.50
BRP115AF 15 Amp Single Pole AFCI Arc Fault Circuit Breaker, Plug-On Neutral, 120V, 10Kaic, UL Listed (1)
Amazon.com
Free shipping
$41.50
BRP115AF 15 Amp Single Pole AFCI Arc Fault Circuit Breaker, Plug-On Neutral, 120V, 10Kaic, UL Listed (1)
Amazon.com
Free shipping
$41.30
20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker
Amazon.com
155
Free shipping
$41.30
20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker
Amazon.com
155
$38.92
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
468
Free shipping
$38.92
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
468
$199.90
Square D By Schneider Electric HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker, (Pack Of 4)
Amazon.com
71
Free shipping
$199.90
Square D By Schneider Electric HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker, (Pack Of 4)
Amazon.com
71
$412.26
EMSER Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black(Pack Of 10)
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Free shipping
$412.26
EMSER Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black(Pack Of 10)
Amazon.com
Free shipping
$64.00
Square D By Schneider Electric HOMT1515215CP Homeline Tandem Circuit Breaker, 2X1 Pole, 1X2 Pole, 15A, 120/240VAC, 10Ka AIR, Plug In, UL, Black
Amazon.com
100
Free shipping
$64.00
Square D By Schneider Electric HOMT1515215CP Homeline Tandem Circuit Breaker, 2X1 Pole, 1X2 Pole, 15A, 120/240VAC, 10Ka AIR, Plug In, UL, Black
Amazon.com
100
$38.75
BRP120AF Circuit Breaker, AFCI, 20-Amp - Quantity 2020
Amazon.com
250
Free shipping
$38.75
BRP120AF Circuit Breaker, AFCI, 20-Amp - Quantity 2020
Amazon.com
250
$113.00
Square D QO120 Circuit Breaker, 10 Pack, QO, 20 Amps, 120 Volts, UL Listed, 1 Pole, 10Ka AIR, Standard Type, Plug In, Qty 10
Amazon.com
68
Free shipping
$113.00
Square D QO120 Circuit Breaker, 10 Pack, QO, 20 Amps, 120 Volts, UL Listed, 1 Pole, 10Ka AIR, Standard Type, Plug In, Qty 10
Amazon.com
68
$132.99
Square D By Schneider Electric Square D - QO220GFICP QO Circuit Breaker, 20-Amp, 120/240V, 2-Pole, GFCI, Plug-In Mount
Amazon.com
289
Free shipping
$132.99
Square D By Schneider Electric Square D - QO220GFICP QO Circuit Breaker, 20-Amp, 120/240V, 2-Pole, GFCI, Plug-In Mount
Amazon.com
289
$147.19
Leviton LB120-DST 2nd Gen Smart Circuit Breaker With Remote Control, Dual Function AFCI/GFCI, 1-Pole 20 Amp, 120-Volt, 10Ka Interrupt Rating
Amazon.com
32
Free shipping
$147.19
Leviton LB120-DST 2nd Gen Smart Circuit Breaker With Remote Control, Dual Function AFCI/GFCI, 1-Pole 20 Amp, 120-Volt, 10Ka Interrupt Rating
Amazon.com
32
$41.00
Square D By Schneider Electric Homeline 15 Amp Mini Circuit Breaker, 1 Pole, 120V AC, 10Ka Breaking Capacity, Plug In Mount, CAFI/CAFCI, Residential
Amazon.com
435
Free shipping
$41.00
Square D By Schneider Electric Homeline 15 Amp Mini Circuit Breaker, 1 Pole, 120V AC, 10Ka Breaking Capacity, Plug In Mount, CAFI/CAFCI, Residential
Amazon.com
435
$40.00
ABB Q-Line THQL1120AFP2 20A Single Pole Arc Fault Combination Circuit Breaker 20 Amp Single Pole 120 VAC AFCI Breaker Arc Fault Circuit
Amazon.com
11
Free shipping
$40.00
ABB Q-Line THQL1120AFP2 20A Single Pole Arc Fault Combination Circuit Breaker 20 Amp Single Pole 120 VAC AFCI Breaker Arc Fault Circuit
Amazon.com
11
$45.85
SIEMENS QF120A Gfci Circuit Breaker, Plug In, Self Testing, 20 Amp, 1-Pole, 120 Volt
Amazon.com
1 千+
Free shipping
$45.85
SIEMENS QF120A Gfci Circuit Breaker, Plug In, Self Testing, 20 Amp, 1-Pole, 120 Volt
Amazon.com
1 千+
$142.45
Leviton 2nd Gen Smart Circuit Breaker With Remote Control, Standard, 2-Pole 20 Amp, 120/240-Volt And 120/208-Volt, 10Ka Interrupt Rating, LB220-ST
Amazon.com
Free shipping
$142.45
Leviton 2nd Gen Smart Circuit Breaker With Remote Control, Standard, 2-Pole 20 Amp, 120/240-Volt And 120/208-Volt, 10Ka Interrupt Rating, LB220-ST
Amazon.com
Free shipping
$530.00
SIEMENS 15 Amp Single Pole Combination AFCI Circuit Breakers (10 Pack)
Amazon.com
19
Free shipping
$530.00
SIEMENS 15 Amp Single Pole Combination AFCI Circuit Breakers (10 Pack)
Amazon.com
19