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Power DC Extension Cables

  • 1ft 2.1mm x 5.5mm DC Power Extension Cable with On/Off Rocker Switch, 20 AWG BLACK - AC-DC PowerShack
    1ft 2.1mm x 5.5mm DC Power Extension Cable with On/Off Rocker Switch, 20 AWG BLACK - AC-DC PowerShack
    $5.00 - $5.00
    $5.00
    $5.00 - $5.00
    $5.00

    1ft 2.1mm x 5.5mm DC Power Extension Cable with On/Off Rocker Switch, 20 AWG BLACK

    PHC Enterprise
    5+ in stock

    Part #: HSQ1 2.1mm x 5.5mm Extension Cable for Power Adapter with ON/OFF switch Female Jack: 2.1mm x 5.5mm Male Plug: 2.1mm x 5.5mm Length: 1 f...

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    $5.00 - $5.00
    $5.00
    $5.00 - $5.00
    $5.00
  • 3ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK - AC-DC PowerShack
    HDCQ3 3ft 2.1mm x 5.5mm DC Plug Extension Cable, 20 AWG - AC-DC PowerShack
    $5.00 - $5.00
    $5.00
    $5.00 - $5.00
    $5.00

    3ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK

    PHC Enterprise, Inc.
    5+ in stock

    Part #: HDCQ3 2.1mm x 5.5mm Extension Cable for Power Adapter Female Jack: 2.1mm x 5.5mm Male Plug: 2.1mm x 5.5mm Length: 3 ft Gauge: 20 BLACK ...

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    $5.00 - $5.00
    $5.00
    $5.00 - $5.00
    $5.00
  • 3ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG WHITE - AC-DC PowerShack
    HDCQ3W 3ft 2.1mm x 5.5mm DC Plug Extension Cable, 20 AWG, WHITE - AC-DC PowerShack
    $5.00 - $5.00
    $5.00
    $5.00 - $5.00
    $5.00

    3ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG WHITE

    PHC Enterprise, Inc.
    5+ in stock

    Part #: HDCQ3W 2.1mm x 5.5mm Extension Cable for Power Adapter Female Jack: 2.1mm x 5.5mm Male Plug: 2.1mm x 5.5mm Length: 3 ft Gauge: 20 WHIT...

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    $5.00 - $5.00
    $5.00
    $5.00 - $5.00
    $5.00
  • 6ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK - AC-DC PowerShack
    HDCQ6 6ft 2.1mm x 5.5mm DC Plug Extension Cable, 20 AWG - AC-DC PowerShack
    $4.25 - $4.25
    $4.25
    $4.25 - $4.25
    $4.25

    6ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK

    PHC Enterprise, Inc.
    5+ in stock

    Part #: HDCQ6 2.1mm x 5.5mm Extension Cable for Power Adapter Female Jack: 2.1mm x 5.5mm Male Plug: 2.1mm x 5.5mm Length: 6 ft Gauge: 20 BLACK...

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    $4.25 - $4.25
    $4.25
    $4.25 - $4.25
    $4.25
  • 6ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG WHITE - AC-DC PowerShack
    HDCQ6W 6ft 2.1mm x 5.5mm DC Plug Extension Cable, 20 AWG, WHITE - AC-DC PowerShack
    $4.25 - $4.25
    $4.25
    $4.25 - $4.25
    $4.25

    6ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG WHITE

    PHC Enterprise, Inc.
    5+ in stock

    Part #: HDCQ6W 2.1mm x 5.5mm Extension Cable for Power Adapter Female Jack: 2.1mm x 5.5mm Male Plug: 2.1mm x 5.5mm Length: 6 ft Gauge: 20 WHITE...

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    $4.25 - $4.25
    $4.25
    $4.25 - $4.25
    $4.25
  • 12ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK - AC-DC PowerShack
    HDCQ12 12ft 2.1mm x 5.5mm DC Plug Extension Cable, 20 AWG - AC-DC PowerShack
    $5.30 - $5.30
    $5.30
    $5.30 - $5.30
    $5.30

    12ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK

    PHC Enterprise
    5+ in stock

    Part #: HDCQ12 2.1mm x 5.5mm Extension Cable for Power Adapter Female Jack: 2.1mm x 5.5mm Male Plug: 2.1mm x 5.5mm Length: 12 ft Gauge: 20 BLAC...

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    $5.30 - $5.30
    $5.30
    $5.30 - $5.30
    $5.30
  • 12ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG, WHITE - AC-DC PowerShack
    HDCQ12W 12ft 2.1mm x 5.5mm DC Plug Extension Cable, 20 AWG, WHITE - AC-DC PowerShack
    $5.30 - $5.30
    $5.30
    $5.30 - $5.30
    $5.30

    12ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG, WHITE

    PHC Enterprise
    5+ in stock

    Part #: HDCQ12W 2.1mm x 5.5mm Extension Cable for Power Adapter Female Jack: 2.1mm x 5.5mm Male Plug: 2.1mm x 5.5mm Length: 12 ft Gauge: 20 WHI...

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    $5.30 - $5.30
    $5.30
    $5.30 - $5.30
    $5.30
  • 20ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG WHITE - AC-DC PowerShack
    HDCQ20W 20ft 2.1mm x 5.5mm DC Plug Extension Cable, 20 AWG, WHITE - AC-DC PowerShack
    $9.50 - $9.50
    $9.50
    $9.50 - $9.50
    $9.50

    20ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG WHITE

    PHC Enterprise
    5+ in stock

    Part #: HDCQ20W 2.1mm x 5.5mm Extension Cable for Power Adapter Female Jack: 2.1mm x 5.5mm Male Plug: 2.1mm x 5.5mm Length: 20 ft Gauge: 20 WHI...

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    $9.50 - $9.50
    $9.50
    $9.50 - $9.50
    $9.50
  • 50ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK - AC-DC PowerShack
    HDCQ50 50ft 2.1mm x 5.5mm DC Plug Extension Cable, 20 AWG - AC-DC PowerShack
    $13.00 - $13.00
    $13.00
    $13.00 - $13.00
    $13.00

    50ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK

    PHC Enterprise, Inc.
    5+ in stock

    Part #: HDCQ50 2.1mm x 5.5mm Extension Cable for Power Adapter Female Jack: 2.1mm x 5.5mm Male Plug: 2.1mm x 5.5mm Length: 50ft Gauge: 20 BLAC...

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    $13.00 - $13.00
    $13.00
    $13.00 - $13.00
    $13.00
  • 100ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK - AC-DC PowerShack
    HDCQ100 100ft 2.1mm x 5.5mm DC Plug Extension Cable, 20 AWG - AC-DC PowerShack
    $18.00 - $18.00
    $18.00
    $18.00 - $18.00
    $18.00

    100ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK

    PHC Enterprise
    5+ in stock

    Part #: HDCQ100 2.1mm x 5.5mm Extension Cable for Power Adapter Female Jack: 2.1mm x 5.5mm Male Plug: 2.1mm x 5.5mm Length: 100ft Gauge: 20 BLA...

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    $18.00 - $18.00
    $18.00
    $18.00 - $18.00
    $18.00
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Variable Transformer (NEW) 10 Amp (1000 Watts); 0~130VAC Output w/ISOLATION & LED Volt Meter - AC-DC PowerShack

Variable Transformer

Isolation Transformer

117VAC to 117VAC

AC-AC Power Supplies

Universal Power Supply

DC Plug Size Conversion

An easy DIY way to change the DC 2.1x5.5mm plug to another size

DC Power Extension Cables

Perfect solutions for LED lighting, security cameras, & web cams

Adjustable DC Power Supply

Universal Power Supplies

Selectable Multi-voltage Power Supply

With 6-interchangble DC plugs

Go to
AC-DC Universal Selectable Power Adapter Multi Voltage Output: 3VDC-15VDC @ 1000mA; Part # PHC-1000K - 2731121

Adjustable DC Power Supply

  • 3-15VDC @4 amp
  • 3-15VDC @4 amp
  • 3~15VDC @ 2A DC Regulated Switching Tattoo Power Supply; Part # 5486 - AC-DC PowerShack
    Save 40% Save %
    $20.00
    $20.00 - $20.00
    $20.00
    $12.00
    $12.00 - $12.00
    $12.00

    3~15V DC @ 2A DC Regulated Switching Tattoo Power Supply

    Superior Tattoo
    5+ in stock

    Part #: 5486 Closeout Special Input Voltage: 90~120VAC Output Voltage: 3~15VDC Output Current: 2A Requires 1/4" foot switch (H4-M) to operate. Sol...

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    $20.00
    $20.00 - $20.00
    $20.00
    $12.00
    $12.00 - $12.00
    $12.00
    Save 40% Save %
  • 3~15VDC @ 2A DC Regulated Switching Tattoo Power Supply; Part # PS-10T - AC-DC PowerShack
    3~15VDC @ 2A DC Regulated Switching Tattoo Power Supply; Part # PS-10T - AC-DC PowerShack
    Save 50% Save %
    $34.99
    $34.99 - $34.99
    $34.99
    $17.50
    $17.50 - $17.50
    $17.50

    3~15VDC @ 2A DC Regulated Switching Tattoo Power Supply

    PHC Enterprise, Inc.
    5+ in stock

    Part #: PS-10T  Closeout Special Input Voltage: 90~120VAC Output Voltage: 3~15VDC Output Current: 2A Precision 10-Pot Turn dial Requires 1/4" foot...

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    $34.99
    $34.99 - $34.99
    $34.99
    $17.50
    $17.50 - $17.50
    $17.50
    Save 50% Save %
  • Adjustable 3~15VDC @ 4A DC Regulated Switching Power Supply (BLACK); Part # APS-415 - AC-DC PowerShack
    Adjustable 3~15VDC @ 4A DC Regulated Switching Power Supply (BLACK); Part # APS-415 - AC-DC PowerShack
    Save 25% Save %
    $39.99
    $39.99 - $39.99
    $39.99
    $30.00
    $30.00 - $30.00
    $30.00

    Adjustable DC Regulated Switching Power Supply (BLACK) 3~15VDC @ 4A

    PHC Enterprise, Inc.
    5+ in stock

    Part #: APS-415 Input Voltage: 117VAC Output Voltage: Adjustable 3~15VDC Output Current: 4A W/Banana Jacks Color: Black Dimensions: 6.5" x 4.5" x ...

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    $39.99
    $39.99 - $39.99
    $39.99
    $30.00
    $30.00 - $30.00
    $30.00
    Save 25% Save %
  • Adjustable 3~15VDC @ 4A DC Regulated Switching Power Supply (YELLOW); Part # APS-415Y - AC-DC PowerShack
    Adjustable 3~15VDC @ 4A DC Regulated Switching Power Supply (YELLOW); Part # APS-415Y - AC-DC PowerShack
    Save 25% Save %
    $39.99
    $39.99 - $39.99
    $39.99
    $30.00
    $30.00 - $30.00
    $30.00

    Adjustable DC Regulated Switching Power Supply (YELLOW) 3~15VDC @ 4A

    PHC Enterprise, Inc.
    5+ in stock

    Part #: APS-415Y Input Voltage: 117VAC Output Voltage: Adjustable 3~15VDC Output Current: 4A W/Banana Jacks Color: YELLOW Dimensions: 6.5" x 4.5" ...

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    $39.99
    $39.99 - $39.99
    $39.99
    $30.00
    $30.00 - $30.00
    $30.00
    Save 25% Save %
  • 2~24VDC @ 7A DC Regulated Switching Power Supply; Part # APS-724K - AC-DC PowerShack
    2~24VDC @ 7A DC Regulated Switching Power Supply; Part # APS-724K - AC-DC PowerShack
    $85.00 - $85.00
    $85.00
    $85.00 - $85.00
    $85.00

    2~24V DC @ 7A DC Regulated Switching Power Supply

    PHC Enterprise
    5+ in stock

    Part #: APS-724K Input Voltage: 120VAC Output Voltage: 2~24VDC Output Current: 7A Replaced PHC Part # APS-715

    $85.00 - $85.00
    $85.00
    $85.00 - $85.00
    $85.00
  • 0~30VDC @ 0~10A Dual Adjustable Regulated Switching Power Supply - AC-DC PowerShack
    0~30VDC @ 0~10A Dual Adjustable Regulated Switching Power Supply - AC-DC PowerShack
    Save 14% Save %
    $99.00
    $99.00 - $99.00
    $99.00
    $85.00
    $85.00 - $85.00
    $85.00

    0~30VDC @ 0~10A Dual Adjustable Regulated Switching Power Supply

    PHC Enterprise
    5+ in stock

    Part #: SPS-3010C Input Voltage: 115VAC @60Hz Regulated Switching Power Supply Output Voltage: 0~30VDC (30V Maximum Output Voltage) Output Curren...

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    $99.00
    $99.00 - $99.00
    $99.00
    $85.00
    $85.00 - $85.00
    $85.00
    Save 14% Save %

Blog posts

  • When you may need an isolation transformer
    May 1, 2023

    When you may need an isolation transformer

    An isolation transformer can help reduce RF power noise in an electrical system. An isolation transformer is designed to provide electrical isolation between the input and output circuits, typically by using a transformer with a 1:1 ratio. This isolation helps...

    Read now
See more

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Let customers speak for us

from 215 reviews
AC-DC Linear Power Supply 6V DC @ 1400mA; 2.1 x 5.5mm NEGATIVE center polarity
Works Perfect

Fast shipment, the plug I ordered was exactly what I needed for my needs. Great transaction!

Timothy Meador
AC-DC Linear Power Supply 6V DC @ 1400mA; 2.1 x 5.5mm NEGATIVE center polarity
300VA Isolation Transformer, 117VAC to 117VAC

300VA Isolation Transformer, 117VAC to 117VAC

Zachary Bosch-Bird
300VA Isolation Transformer, 117VAC to 117VAC
AC-AC Power Supply 24V AC @ 1250mA; 2.1 x 5.5mm
Been using PHC adapters for 30+ years

Been using their AC adapters for many of my projects/designs for well over 30 years. They never let me down, thank you.

Dean R
AC-AC Power Supply 24V AC @ 1250mA; 2.1 x 5.5mm
DC Universal Power Adapter Multi Voltage Output: 1.5V DC-12V DC @ 300 mA; 6-plugs
Exceeds Expectations -- Excellent Product!

I’m highly impressed with the versatility and user-friendly design of the AC/DC Power Shack Universal Power Adapter. It arrived securely packaged and was remarkably intuitive to use right out of the box. With seven adjustable voltage settings (1.5V to 12V DC) and six interchangeable plugs, this adapter accommodates a wide range of devices and configurations. The build quality feels robust and reliable. For its performance and flexibility, this adapter is well worth the investment.

Gregory Norman
DC Universal Power Adapter Multi Voltage Output: 1.5V DC-12V DC @ 300 mA; 6-plugs
AC-AC Power Supply 24V AC @ 2500mA; 2.5 x 5.5mm

works great had to cut plug off just use the 2 wires

Donald Dial
AC-AC Power Supply 24V AC @ 2500mA; 2.5 x 5.5mm
AC-DC Switching Regulated Power Supply 18V DC @ 1500mA; 2.1 x 5.5mm (+) center polarity

Works fine. Technical support great!

Ronald Mikulka
AC-DC Switching Regulated Power Supply 18V DC @ 1500mA; 2.1 x 5.5mm (+) center polarity
AC-DC Linear Power Supply 12V DC @ 500mA; 2.1 x 5.5mm NEGATIVE center polarity

Great! Will buy more.

Tavis
AC-DC Linear Power Supply 12V DC @ 500mA; 2.1 x 5.5mm NEGATIVE center polarity
AC-AC Power Supply 6V AC @ 1670mA; 2.1 x 5.5mm
Did the Job

I needed it for extensive testing of a diode array -- it worked flawlessly !

K. Smedberg
AC-AC Power Supply 6V AC @ 1670mA; 2.1 x 5.5mm
300VA Isolation Transformer, 117VAC to 117VAC

300VA Isolation Transformer, 117VAC to 117VAC

Thomas Beyer
300VA Isolation Transformer, 117VAC to 117VAC
300VA Isolation Transformer, 117VAC to 117VAC
300VA Isolation Transformer, 117VAC to 117VAC

Thanks for the 300VA Isolation Transformer, 117VAC to 117VAC. The shipping was fast look great and is heavy. transformer was a great price would buy from AC-DC PowerShack again.

Kirby Whitworth
300VA Isolation Transformer, 117VAC to 117VAC
12VCT 12V, 6V Transformer 0-6V-12V CT @ 1A 117VAC to 12VAC or 6VAC

This is good and working as expected

Karthikeyan
12VCT 12V, 6V Transformer 0-6V-12V CT @ 1A 117VAC to 12VAC or 6VAC
DC Inline Rocker On/Off Switch Cable DC Jack 2.5 x 5.5mm; Male to Female DC Power Connector
Works great

I was looking for a switch to put in line for the lamp I built. The connections were an abnormal size and thankfully this switch fit it perfectly!

Ethan Watson
DC Inline Rocker On/Off Switch Cable DC Jack 2.5 x 5.5mm; Male to Female DC Power Connector
Variable Transformer 20 Amp (2000 Watts); 0~130VAC Output

WORKS GREAT

BRIAN KENNEDY
Variable Transformer 20 Amp (2000 Watts); 0~130VAC Output
AC-DC Linear Power Supply 6V DC @ 1400mA; 2.1 x 5.5mm NEGATIVE center polarity
Works great.

I’ve been looking for regulated negative center 6v all over the places and didn’t find a good quality until I found this one. It works perfectly for my Grundig satellite 750 just like the one that came on the box with it.

Simon Rharmili
AC-DC Linear Power Supply 6V DC @ 1400mA; 2.1 x 5.5mm NEGATIVE center polarity
Variable Transformer 3 Amp (300 Watts); 0~130VAC Output
Review

Review

Joseph Shaw
Variable Transformer 3 Amp (300 Watts); 0~130VAC Output