Can this be used to extend the length of my dc power supply cable on my 1000w amplifier for a utv speaker system

Max safe distance of 12volts ac/dc of 18 gauge wire is 10ft. If your going to power a 1000w amp you need 4 gauge wire. 18 gauge wire is good for low voltage lights, not powering or extending the length of the power cord for a 1000w amplifier.

Why is the max voltage for the 18G wire only 12V when their thinner 22G wire can handle up to 24V?

18AWG wire can handle upto 48v, however for safety and stablity consideration, we suggest not to work more than 24v, better upto 12v.

Will this work for doorbell?

Yes it will. I used this wire to replace the wire to my doorbell and it works just fine.

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TYUMEN 18 Gauge Wire 100FT, 18/2 AWG Red Black Hookup Electrical Wire LED Strips Extension Cord 12V/24V DC Cable, 18AWG 2 Conductors Flexible Wire for LED Ribbon Lamp Tape Lighting

TYUMEN 18 Gauge Wire 100FT, 18/2 AWG Red Black Hookup Electrical Wire LED Strips Extension Cord 12V/24V DC Cable, 18AWG 2 Conductors Flexible Wire for LED Ribbon Lamp Tape Lighting

Product ID: 385423882

Details

Brand
Tyumen
Colour
Red Black
Gauge
18.0
Material
Polyvinyl
Number of Cable Strands
26

📏100 ft spool, actual 31m length

🔌True 18 AWG gauge for optimal current

🛠️26-strand flexible stranded wire

Description

🔋 Power your space with precision and flexibility — don’t get left in the dark!

DURABLE DAMP RESISTANT - PVC jacket protects against moisture, perfect for home, automotive, and commercial use.
PRECISION POWER DELIVERY - True 18 AWG wire ensures minimal voltage drop for flawless LED performance.
FLEXIBLE EASY TO INSTALL - 26-strand stranded design offers superior flexibility for neat, professional setups.
GENEROUS LENGTH FOR VERSATILITY - 100 ft spool (31m actual) lets you customize installations without compromise.
UNIVERSAL LOW VOLTAGE COMPATIBILITY - Ideal for 12V/24V DC LED strips, lighting, and low-voltage electrical hookups.

TyumenDirect’s 18 Gauge 2-conductor wire delivers premium 18 AWG stranded copper wiring in a 100 ft spool, designed for low-voltage 12V/24V DC LED strip extensions and electrical hookups. Its flexible PVC jacket resists moisture, making it ideal for residential, automotive, and commercial lighting projects requiring reliable, low-loss power transmission.

Specifications

ASIN	B07DDG7J9K
Best Sellers Rank	#149,428 in Home Improvement ( See Top 100 in Home Improvement ) #1,198 in Electrical Wire
Brand Name	Tyumen
Colour	Red,Black
Country of Origin	USA
Customer Reviews	4.7 4.7 out of 5 stars (2,765)
Gauge	18.0
Manufacturer	Tyumen
Material Type	Polyvinyl Chloride
Model Number	TY-1-101-1
Number Of Wires	2
Number of Items	1
Number of Packs	1
Part Number	TY-1-101-1
Strands	26
UPC	611040921752
Unit Count	100 Feet
Voltage	12 Volts

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