I do not know , the description should tell you .

what material is the wire copper or copper clad aluminum or aluminum?

As far as I can tell it's copper wire , with an aluminum foil shield and has a nickel/tin ground wire interwoven amongst the foil shield . I am using the 16 gage , 2 conductor copper wire with shield and Drain wire . The outer coating is white plenum and is easily cut or stripped . This is the 4th or 5th roll I have used and it has worked fine for me . The insulator on the 2 main conductors is thick , but a bit delicate when it comes to stripping the insulation off the wire . For inside use this wire is fine as best as I can determine . I use it for signal wire and audio applications . The last 50 feet on a 500 ft. roll has a twist in it to alert you to end of the spool is coming up . You have to open the box to unreel the last 50 feet or so . I hope this helps .

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Cables Direct Online 500ft Stranded 18/2 Alarm CCA Shielded Cable for Low Voltage LED, Burglar System, Fire Detector, Security Station, Door Bell, 18AWG 2 Conductors Wire

Product ID: 71719940

Details

Brand
Cables Direct
Color
White
Gauge
18.0
Material
Copper-Clad
Number of Cable Strands
Multi Strand

⚡18 AWG stranded for reliable conductivity

📏500ft length for extensive coverage

🛡️FTP shielded for interference-free signals

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$201.11

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Details

Brand
Cables Direct
Color
White
Gauge
18.0

Description

🛠️ Power your security with smart, sleek wiring that works as hard as you do!

BUILT TO LAST - Corrosion-resistant materials ensure your system stays secure over time
EFFORTLESS INSTALLATION - Lightweight design means faster setup and less strain on installers
UNIVERSAL COMPATIBILITY - Perfect for alarms, LED low-voltage, fire detectors, and security systems
BUDGET SAVVY PERFORMANCE - Copper-Clad Aluminum core slashes costs without compromising quality
SIGNAL INTEGRITY GUARANTEED - Foil shielded twisted pair blocks interference for crystal-clear communication

This 500ft Cables Direct Online 18/2 stranded alarm cable features a cost-effective copper-clad aluminum core with 18 AWG gauge, foil shielded twisted pair design for superior interference protection, and durable corrosion resistance—ideal for low-voltage security, fire, and communication systems requiring reliable, long-lasting wiring solutions.

Specifications

ASIN	B077MLHLG1
Best Sellers Rank	#694 in Surveillance Camera Cables
Brand	Cables Direct Online
Color	White
Date First Available	November 20, 2017
Gauge	18.0
Is Discontinued By Manufacturer	No
Item Weight	9.24 pounds
Item model number	906902
Manufacturer	Cables Direct Online
Material	Copper-Clad Aluminum
No. of wires	2
Number of Cable Strands	Multi Strand
Package Dimensions	12.05 x 11.85 x 6.26 inches
UPC	818494025030
Voltage	500 Volts

Reviews

J**D

Prefect fit for job

Good wire. No issues with use. Nicely boxed for easy access.

10.04.2024

T**S

Good for dc communication

Used 5 rolls on a job and it worked out great.

18.08.2023

E**T

Great value, can't complain, did the job with no issues

Perfect for my set up.

9.12.2018

B**G

Stopping Winter Ice Problems

We have had problems with ice blocking the down spout of the drain system causing water backup and damage. This heat has been installed through the drain to prevent any more problems with ice blockage. It is on a GFCI protected circuit with thermostat so we expect to get many years of service.

9.01.2019

M**B

Quite strong and flexable.

Easy to strip ends for connections.

14.04.2021

D**S

Five Stars

Wire worked fine for application.

21.03.2018

A**N

No issues or concerns

Works well

9.09.2018

J**N

Does its job

Just as described. Works right and for a great price.

11.03.2018

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