![power supply - RCA AH5 AC/DC adapter switch polarity question - Electrical Engineering Stack Exchange power supply - RCA AH5 AC/DC adapter switch polarity question - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/0cHQe.jpg)
power supply - RCA AH5 AC/DC adapter switch polarity question - Electrical Engineering Stack Exchange
![AC-DC Switching Regulated Power Supply 9VDC @ 5000mA; 2.1 x 5.5mm (+) center polarity; Part # SW-0941A | AC-DC PowerShack AC-DC Switching Regulated Power Supply 9VDC @ 5000mA; 2.1 x 5.5mm (+) center polarity; Part # SW-0941A | AC-DC PowerShack](https://www.acdcpowershack.com/cdn/shop/products/SW-0941A_c71f53b5-0c04-4009-bf51-d51666f7cd9b_1347x700.jpg?v=1587416892)
AC-DC Switching Regulated Power Supply 9VDC @ 5000mA; 2.1 x 5.5mm (+) center polarity; Part # SW-0941A | AC-DC PowerShack
![AC-DC Switching Regulated Power Supply 5VDC @ 5000mA; 2.1 x 5.5mm (+) center polarity; Part # SW-55A | AC-DC PowerShack AC-DC Switching Regulated Power Supply 5VDC @ 5000mA; 2.1 x 5.5mm (+) center polarity; Part # SW-55A | AC-DC PowerShack](https://www.acdcpowershack.com/cdn/shop/products/SW-55A_512x971.jpg?v=1587163724)
AC-DC Switching Regulated Power Supply 5VDC @ 5000mA; 2.1 x 5.5mm (+) center polarity; Part # SW-55A | AC-DC PowerShack
![Universal AC Power Adapter Polarity Switchable 1.5V 3V 4.5V 6V 7.5V 9V & 12V 1000ma : Amazon.com.mx: Electrónicos Universal AC Power Adapter Polarity Switchable 1.5V 3V 4.5V 6V 7.5V 9V & 12V 1000ma : Amazon.com.mx: Electrónicos](https://m.media-amazon.com/images/I/718pCC9IW0L.jpg)
Universal AC Power Adapter Polarity Switchable 1.5V 3V 4.5V 6V 7.5V 9V & 12V 1000ma : Amazon.com.mx: Electrónicos
![Arnaldo García. on X: "Alguien sabe en que polaridad se ocupa este transformador? Gracias. https://t.co/T9PKh7C1Ur" / X Arnaldo García. on X: "Alguien sabe en que polaridad se ocupa este transformador? Gracias. https://t.co/T9PKh7C1Ur" / X](https://pbs.twimg.com/media/EMQ1VChXYAAIjFG.jpg)
Arnaldo García. on X: "Alguien sabe en que polaridad se ocupa este transformador? Gracias. https://t.co/T9PKh7C1Ur" / X
![AC-DC Switching Regulated Power Supply 5VDC @ 3000mA; 2.5 x 5.5mm (+) center polarity; Part # SW-53B | AC-DC PowerShack AC-DC Switching Regulated Power Supply 5VDC @ 3000mA; 2.5 x 5.5mm (+) center polarity; Part # SW-53B | AC-DC PowerShack](https://www.acdcpowershack.com/cdn/shop/products/SW-53B_2_510x700.jpg?v=1586811526)
AC-DC Switching Regulated Power Supply 5VDC @ 3000mA; 2.5 x 5.5mm (+) center polarity; Part # SW-53B | AC-DC PowerShack
![Buy Wefomey Universal Power Adapter Adjustable DC 3V ~ 24V Variable Sw AC Supply Adapter 100V-240V to DC 24V 5A 120W Converter with 14 Different Plugs & Polarity Converter - 5000mA Max Buy Wefomey Universal Power Adapter Adjustable DC 3V ~ 24V Variable Sw AC Supply Adapter 100V-240V to DC 24V 5A 120W Converter with 14 Different Plugs & Polarity Converter - 5000mA Max](https://m.media-amazon.com/images/I/61KYPgdMAWL.jpg)
Buy Wefomey Universal Power Adapter Adjustable DC 3V ~ 24V Variable Sw AC Supply Adapter 100V-240V to DC 24V 5A 120W Converter with 14 Different Plugs & Polarity Converter - 5000mA Max
![AC-DC Switching Regulated Power Supply 6VDC @ 880mA; 2.1 x 5.5mm (+) center polarity; Part # SW-608A | AC-DC PowerShack AC-DC Switching Regulated Power Supply 6VDC @ 880mA; 2.1 x 5.5mm (+) center polarity; Part # SW-608A | AC-DC PowerShack](https://www.acdcpowershack.com/cdn/shop/products/SW-608A_b_824x700.jpg?v=1587163772)
AC-DC Switching Regulated Power Supply 6VDC @ 880mA; 2.1 x 5.5mm (+) center polarity; Part # SW-608A | AC-DC PowerShack
AC-DC Switching Regulated Power Supply 3VDC @ 1500mA; 0.7 x 2.35mm (+) center polarity; Part # SW-31T | AC-DC PowerShack
![AC-DC Switching Regulated Power Supply 9VDC @ 550mA; 2.5 x 5.5mm (+) center polarity; Part # SW-9600B | AC-DC PowerShack AC-DC Switching Regulated Power Supply 9VDC @ 550mA; 2.5 x 5.5mm (+) center polarity; Part # SW-9600B | AC-DC PowerShack](https://www.acdcpowershack.com/cdn/shop/products/SW-9600B_244x700.jpg?v=1587163855)
AC-DC Switching Regulated Power Supply 9VDC @ 550mA; 2.5 x 5.5mm (+) center polarity; Part # SW-9600B | AC-DC PowerShack
![Buy Aclorol Universal Power Adapter 30W 12V 9V 7.5V 6V 5V 4.5V 3V Adjustable Variable Power Supply AC/DC Adapter Converter Sw 100V-240V AC to DC 3V-12V with Polarity Converter & 14 Tips Buy Aclorol Universal Power Adapter 30W 12V 9V 7.5V 6V 5V 4.5V 3V Adjustable Variable Power Supply AC/DC Adapter Converter Sw 100V-240V AC to DC 3V-12V with Polarity Converter & 14 Tips](https://m.media-amazon.com/images/I/510e8i+3i+L.jpg)