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$259.99
Radial Engineering R8001010JDI Single-Channel Passive Direct Box With Jensen Transformer
Amazon.com
81
Free shipping
$259.99
Radial Engineering R8001010JDI Single-Channel Passive Direct Box With Jensen Transformer
Amazon.com
81
$1,645.00
Sierra 1500 Unruli TRANSFORMER Box And Tonneau System (14-18 W/ 6.50-Foot Standard Box) GMO15-66-F
AmericanTrucks.com
1
$1,645.00
Sierra 1500 Unruli TRANSFORMER Box And Tonneau System (14-18 W/ 6.50-Foot Standard Box) GMO15-66-F
AmericanTrucks.com
1
$46.70
Sloan 0345154PK EL-154 Box Mount Transformer, 120 VAC Input/24 VAC Output 50 VA | Supplyhouse.Com
SupplyHouse.com
1
$46.70
Sloan 0345154PK EL-154 Box Mount Transformer, 120 VAC Input/24 VAC Output 50 VA | Supplyhouse.Com
SupplyHouse.com
1
$240.61
Intermatic Pjbx52100 Comboconnect Junction Box Transformer
Lite Store USA
$240.61
Intermatic Pjbx52100 Comboconnect Junction Box Transformer
Lite Store USA
$2,359.33
1-Phase Mini Power Center 480V - 120/240 10 Kva Transformer
Maddox
$2,359.33
1-Phase Mini Power Center 480V - 120/240 10 Kva Transformer
Maddox
$81.00
Locinox PB-1 - Powerbox - Transformer Housing, Silver
Barzel Lock
$81.00
Locinox PB-1 - Powerbox - Transformer Housing, Silver
Barzel Lock
$1,855.33
1-Phase Mini Power Center 480V - 120/240 5 Kva Transformer
Maddox
$1,855.33
1-Phase Mini Power Center 480V - 120/240 5 Kva Transformer
Maddox
$1,636.67
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 6 Kva
Maddox
$1,636.67
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 6 Kva
Maddox
$399.00
United Studio Technologies Vintage Direct Vintage-Style Large-Transformer Passive Direct Box
B&H Photo-Video-Pro A
$399.00
United Studio Technologies Vintage Direct Vintage-Style Large-Transformer Passive Direct Box
B&H Photo-Video-Pro A
$735.00
Hoffman A203012BGECT Vented Double Door Transformer Cabinet
Southern Electronics
$735.00
Hoffman A203012BGECT Vented Double Door Transformer Cabinet
Southern Electronics
$3,010.00
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 15 Kva
Maddox
$3,010.00
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 15 Kva
Maddox
$1,199.00
Pro-Ject MC Step-Up Box DS3 B Step-Up Transformer - Silver
Upscale Audio
$1,199.00
Pro-Ject MC Step-Up Box DS3 B Step-Up Transformer - Silver
Upscale Audio
$200.88
Tekmar 009K Transformer W/ Junction Box (40 VA, 24 V) | Supplyhouse.Com
SupplyHouse.com
3
$200.88
Tekmar 009K Transformer W/ Junction Box (40 VA, 24 V) | Supplyhouse.Com
SupplyHouse.com
3
$26.95
Large Electronic Transformer Enclosure
Superior Lighting
$26.95
Large Electronic Transformer Enclosure
Superior Lighting
$101.21
Optima EL-451 Transformer 120 VAC/6 VAC, 50/60 Hz (25 VA) Box Mount
Home Depot
1
Free shipping
$101.21
Optima EL-451 Transformer 120 VAC/6 VAC, 50/60 Hz (25 VA) Box Mount
Home Depot
1
$5,458.67
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 30 Kva
Maddox
$5,458.67
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 30 Kva
Maddox
$34.99
Transformers Roleplaying Game Beginner Box: Roll Out
Big Bad Toy Store
24
$34.99
Transformers Roleplaying Game Beginner Box: Roll Out
Big Bad Toy Store
24
$279.99
ACME ELECTRIC Low Voltage Distribution Transformer, 1 Kva, NEMA 3R, 120/240V AC, 120/208/240/277V AC, T279740S
Zoro.com
1
$279.99
ACME ELECTRIC Low Voltage Distribution Transformer, 1 Kva, NEMA 3R, 120/240V AC, 120/208/240/277V AC, T279740S
Zoro.com
1
$20.95
Small Electronic Transformer Enclosure
Superior Lighting
1
$20.95
Small Electronic Transformer Enclosure
Superior Lighting
1
$299.99
ACME ELECTRIC Buck Boost Transformer, 1 Kva, NEMA 3R, 12/24V AC, 120/240V AC, T111683
Zoro.com
2
$299.99
ACME ELECTRIC Buck Boost Transformer, 1 Kva, NEMA 3R, 12/24V AC, 120/240V AC, T111683
Zoro.com
2
$45.00
Tr50va022us Transformer In Box
eBay
Free shipping
$45.00
Tr50va022us Transformer In Box
eBay
Free shipping
$599.00
Rupert Neve Designs RNDI-S Stereo Active Transformer Direct Box Stereo Active Direct Box With Custom Transformers, Discrete Class-A FET Amplifier
Sweetwater
10
$599.00
Rupert Neve Designs RNDI-S Stereo Active Transformer Direct Box Stereo Active Direct Box With Custom Transformers, Discrete Class-A FET Amplifier
Sweetwater
10
$1,645.00
2025 Ford F-350 Unruli TRANSFORMER Box And Tonneau System F35-69-F
AmericanTrucks.com
1
$1,645.00
2025 Ford F-350 Unruli TRANSFORMER Box And Tonneau System F35-69-F
AmericanTrucks.com
1
$1,486.27
Hammond Power Solutions C1F010XES - Single-Phase Transformer 10Kva (Type 3R Enclosure)
Essential Electric Supply
31% off
$1,486.27
Hammond Power Solutions C1F010XES - Single-Phase Transformer 10Kva (Type 3R Enclosure)
Essential Electric Supply
$2,553.59
$3,812.00
Hammond Power Solutions SG3A0015KY - 3-Phase Transformer 15 Kva (Type 3R Enclosure)
Essential Electric Supply
33% off
$2,553.59
$3,812.00
Hammond Power Solutions SG3A0015KY - 3-Phase Transformer 15 Kva (Type 3R Enclosure)
Essential Electric Supply
$199.50
Square D 9070Eo51d1 Control Power Transformer In Box
eBay
1
$199.50
Square D 9070Eo51d1 Control Power Transformer In Box
eBay
1
$104.99
Spx Transformer Solutions 349 Weatherproof Backbox
FinditParts
$104.99
Spx Transformer Solutions 349 Weatherproof Backbox
FinditParts
$379.95
Square D 3S1f Transformer 240/480Vac 3Kva 1Ph Type 3R Enclosure,
eBay
2
Free shipping
$379.95
Square D 3S1f Transformer 240/480Vac 3Kva 1Ph Type 3R Enclosure,
eBay
2
$217.03
SQUARE D General Purpose Transformer, 100 VA, NEMA 3R, 120/240V AC, 240/480V AC, 100SV1A
Zoro.com
$217.03
SQUARE D General Purpose Transformer, 100 VA, NEMA 3R, 120/240V AC, 240/480V AC, 100SV1A
Zoro.com
$928.66
Sloan 3365248BT Optima ETF-600 Box Transformer Deck-Mounted Low Integrated Base Body Multi-Laminar Spray (Chrome) | Supplyhouse.Com
SupplyHouse.com
$928.66
Sloan 3365248BT Optima ETF-600 Box Transformer Deck-Mounted Low Integrated Base Body Multi-Laminar Spray (Chrome) | Supplyhouse.Com
SupplyHouse.com
$25.00
Edwards 592 120V Transformer 8V 16V 24V Wall Box Mounting
eBay
Free shipping
$25.00
Edwards 592 120V Transformer 8V 16V 24V Wall Box Mounting
eBay
Free shipping
$3,411.44
$5,230.00
Hammond SG3A003Y - 3 Phase Transformer 480V-240V 3Kva (NEMA 3R Enclosure)
Essential Electric Supply
34% off
$3,411.44
$5,230.00
Hammond SG3A003Y - 3 Phase Transformer 480V-240V 3Kva (NEMA 3R Enclosure)
Essential Electric Supply
$699.98
Hammond Type 3R Current Transformer Cabinet HCT Series, 48X30x11
Nema Supply
$699.98
Hammond Type 3R Current Transformer Cabinet HCT Series, 48X30x11
Nema Supply
$1,569.99
SQUARE D General Purpose Transformer, 10 Kva, NEMA 3R, 120/240V AC, 240/480V AC, 10S1F
Zoro.com
1
$1,569.99
SQUARE D General Purpose Transformer, 10 Kva, NEMA 3R, 120/240V AC, 240/480V AC, 10S1F
Zoro.com
1
$497.99
SQUARE D General Purpose Transformer, 1.5 Kva, NEMA 3R, 120/240V AC, 240/480V AC, 1.5S1F
Zoro.com
1
$497.99
SQUARE D General Purpose Transformer, 1.5 Kva, NEMA 3R, 120/240V AC, 240/480V AC, 1.5S1F
Zoro.com
1
$1,064.99
SQUARE D General Purpose Transformer, 3 Kva, NEMA 3R, 120/240V AC, 480V AC, 3S40F
Zoro.com
$1,064.99
SQUARE D General Purpose Transformer, 3 Kva, NEMA 3R, 120/240V AC, 480V AC, 3S40F
Zoro.com
What You Need to Know About Electrical Transformer Boxes In Your Yard
What You Need to Know About Electrical Transformer Boxes In Y…
Jul 31, 2023
familyhandyman.com
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How to Install a Transformer - Let's Break Into It!
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YouTubeElectrician U
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Build your own Transformer Color Box in 5 minutes
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14.7M viewsOct 11, 2024
YouTubeSLICK SLIME SAM - DIY, Comedy, Science
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Find in video from 03:07Replacing the Cover on the Junction Box
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Find in video from 00:12Identifying the Existing Doorbell Transformer
Doorbell Transformer and Chime Install
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YouTubeApartment Maintenance Pro
5:19
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14:09
Find in video from 00:43Unboxing the Doorbell Transformer
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YouTubeJohn G
19:25
110V Site Transformer Repair
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0:46
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467 views11 months ago
YouTubeChina Electric
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Shop transformer box

Sponsored
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$1,199.00
Pro-Ject MC Step-Up Box DS3 B Step-Up Transformer - Silver
Upscale Audio
$1,199.00
Pro-Ject MC Step-Up Box DS3 B Step-Up Transformer - Silver
Upscale Audio
$200.88
Tekmar 009K Transformer W/ Junction Box (40 VA, 24 V) | Supplyhouse.Com
SupplyHouse.com
3
$200.88
Tekmar 009K Transformer W/ Junction Box (40 VA, 24 V) | Supplyhouse.Com
SupplyHouse.com
$26.95
Large Electronic Transformer Enclosure
Superior Lighting
$26.95
Large Electronic Transformer Enclosure
Superior Lighting
$101.21
Optima EL-451 Transformer 120 VAC/6 VAC, 50/60 Hz (25 VA) Box Mount
Home Depot
1
Free shipping
$101.21
Optima EL-451 Transformer 120 VAC/6 VAC, 50/60 Hz (25 VA) Box Mount
Home Depot
$5,458.67
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 30 Kva
Maddox
$5,458.67
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 30 Kva
Maddox
$34.99
Transformers Roleplaying Game Beginner Box: Roll Out
Big Bad Toy Store
24
$34.99
Transformers Roleplaying Game Beginner Box: Roll Out
Big Bad Toy Store
$279.99
ACME ELECTRIC Low Voltage Distribution Transformer, 1 Kva, NEMA 3R, 120/240V AC, 120/208/240/277V AC, T279740S
Zoro.com
1
$279.99
ACME ELECTRIC Low Voltage Distribution Transformer, 1 Kva, NEMA 3R, 120/240V AC, 120/208/240/277V AC, T279740S
Zoro.com
$20.95
Small Electronic Transformer Enclosure
Superior Lighting
1
$20.95
Small Electronic Transformer Enclosure
Superior Lighting
$299.99
ACME ELECTRIC Buck Boost Transformer, 1 Kva, NEMA 3R, 12/24V AC, 120/240V AC, T111683
Zoro.com
2
$299.99
ACME ELECTRIC Buck Boost Transformer, 1 Kva, NEMA 3R, 12/24V AC, 120/240V AC, T111683
Zoro.com
$45.00
Tr50va022us Transformer In Box
eBay
Free shipping
$45.00
Tr50va022us Transformer In Box
eBay
$599.00
Rupert Neve Designs RNDI-S Stereo Active Transformer Direct Box Stereo Active Direct Box With Custom Transformers, Discrete Class-A FET Amplifier
Sweetwater
10
$599.00
Rupert Neve Designs RNDI-S Stereo Active Transformer Direct Box Stereo Active Direct Box With Custom Transformers, Discrete Class-A FET Amplifier
Sweetwater
$1,645.00
2025 Ford F-350 Unruli TRANSFORMER Box And Tonneau System F35-69-F
AmericanTrucks.com
1
$1,645.00
2025 Ford F-350 Unruli TRANSFORMER Box And Tonneau System F35-69-F
AmericanTrucks.com
$1,486.27
Hammond Power Solutions C1F010XES - Single-Phase Transformer 10Kva (Type 3R Enclosure)
Essential Electric Supply
31% off
$1,486.27
Hammond Power Solutions C1F010XES - Single-Phase Transformer 10Kva (Type 3R Enclosure)
Essential Electric Supply
$2,553.59
$3,812.00
Hammond Power Solutions SG3A0015KY - 3-Phase Transformer 15 Kva (Type 3R Enclosure)
Essential Electric Supply
33% off
$2,553.59
$3,812.00
Hammond Power Solutions SG3A0015KY - 3-Phase Transformer 15 Kva (Type 3R Enclosure)
Essential Electric Supply
$199.50
Square D 9070Eo51d1 Control Power Transformer In Box
eBay
1
$199.50
Square D 9070Eo51d1 Control Power Transformer In Box
eBay
$104.99
Spx Transformer Solutions 349 Weatherproof Backbox
FinditParts
$104.99
Spx Transformer Solutions 349 Weatherproof Backbox
FinditParts
$379.95
Square D 3S1f Transformer 240/480Vac 3Kva 1Ph Type 3R Enclosure,
eBay
2
Free shipping
$379.95
Square D 3S1f Transformer 240/480Vac 3Kva 1Ph Type 3R Enclosure,
eBay
$217.03
SQUARE D General Purpose Transformer, 100 VA, NEMA 3R, 120/240V AC, 240/480V AC, 100SV1A
Zoro.com
$217.03
SQUARE D General Purpose Transformer, 100 VA, NEMA 3R, 120/240V AC, 240/480V AC, 100SV1A
Zoro.com

Shop transformer box

Sponsored
About our ads
$259.99
Radial Engineering R8001010JDI Single-Channel Passive Direct Box With Jensen Transformer
Amazon.com
81
Free shipping
$259.99
Radial Engineering R8001010JDI Single-Channel Passive Direct Box With Jensen Transformer
Amazon.com
81
$1,645.00
Sierra 1500 Unruli TRANSFORMER Box And Tonneau System (14-18 W/ 6.50-Foot Standard Box) GMO15-66-F
AmericanTrucks.com
1
$1,645.00
Sierra 1500 Unruli TRANSFORMER Box And Tonneau System (14-18 W/ 6.50-Foot Standard Box) GMO15-66-F
AmericanTrucks.com
1
$46.70
Sloan 0345154PK EL-154 Box Mount Transformer, 120 VAC Input/24 VAC Output 50 VA | Supplyhouse.Com
SupplyHouse.com
1
$46.70
Sloan 0345154PK EL-154 Box Mount Transformer, 120 VAC Input/24 VAC Output 50 VA | Supplyhouse.Com
SupplyHouse.com
1
$240.61
Intermatic Pjbx52100 Comboconnect Junction Box Transformer
Lite Store USA
$240.61
Intermatic Pjbx52100 Comboconnect Junction Box Transformer
Lite Store USA
$2,359.33
1-Phase Mini Power Center 480V - 120/240 10 Kva Transformer
Maddox
$2,359.33
1-Phase Mini Power Center 480V - 120/240 10 Kva Transformer
Maddox
$81.00
Locinox PB-1 - Powerbox - Transformer Housing, Silver
Barzel Lock
$81.00
Locinox PB-1 - Powerbox - Transformer Housing, Silver
Barzel Lock
$1,855.33
1-Phase Mini Power Center 480V - 120/240 5 Kva Transformer
Maddox
$1,855.33
1-Phase Mini Power Center 480V - 120/240 5 Kva Transformer
Maddox
$1,636.67
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 6 Kva
Maddox
$1,636.67
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 6 Kva
Maddox
$399.00
United Studio Technologies Vintage Direct Vintage-Style Large-Transformer Passive Direct Box
B&H Photo-Video-Pro A
$399.00
United Studio Technologies Vintage Direct Vintage-Style Large-Transformer Passive Direct Box
B&H Photo-Video-Pro A
$735.00
Hoffman A203012BGECT Vented Double Door Transformer Cabinet
Southern Electronics
$735.00
Hoffman A203012BGECT Vented Double Door Transformer Cabinet
Southern Electronics
$3,010.00
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 15 Kva
Maddox
$3,010.00
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 15 Kva
Maddox
$1,199.00
Pro-Ject MC Step-Up Box DS3 B Step-Up Transformer - Silver
Upscale Audio
$1,199.00
Pro-Ject MC Step-Up Box DS3 B Step-Up Transformer - Silver
Upscale Audio
$200.88
Tekmar 009K Transformer W/ Junction Box (40 VA, 24 V) | Supplyhouse.Com
SupplyHouse.com
3
$200.88
Tekmar 009K Transformer W/ Junction Box (40 VA, 24 V) | Supplyhouse.Com
SupplyHouse.com
3
$26.95
Large Electronic Transformer Enclosure
Superior Lighting
$26.95
Large Electronic Transformer Enclosure
Superior Lighting
$101.21
Optima EL-451 Transformer 120 VAC/6 VAC, 50/60 Hz (25 VA) Box Mount
Home Depot
1
Free shipping
$101.21
Optima EL-451 Transformer 120 VAC/6 VAC, 50/60 Hz (25 VA) Box Mount
Home Depot
1
$5,458.67
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 30 Kva
Maddox
$5,458.67
3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer 30 Kva
Maddox
$34.99
Transformers Roleplaying Game Beginner Box: Roll Out
Big Bad Toy Store
24
$34.99
Transformers Roleplaying Game Beginner Box: Roll Out
Big Bad Toy Store
24
$279.99
ACME ELECTRIC Low Voltage Distribution Transformer, 1 Kva, NEMA 3R, 120/240V AC, 120/208/240/277V AC, T279740S
Zoro.com
1
$279.99
ACME ELECTRIC Low Voltage Distribution Transformer, 1 Kva, NEMA 3R, 120/240V AC, 120/208/240/277V AC, T279740S
Zoro.com
1