what are the monthly expense to run

To update Mike's answer for 2022. 7 watts per foot @ 30ft = 210watts. Divide by 1,000 = .21kW x 24 hrs = 5.04 kWh per day x cost of electricity in your area (this ranges from $0.2254 to $0.0937 depending on your state) so it could range anywhere from ~$0.47 to ~$1.14.

Can this be used on pex plastic pipe?

You can use it on plastic pipe if the pipe will always be filled with water, but don't wrap it - just run a straight line. See the Frost King website: http://www.frostking.com/wp-content/uploads/Pipe_heat_cable_trifold.pdf

is it thermostat controlled and if not, at what temperature will it be activated? there is existing pipe insulation can the cable go on top of it?

Frost King HC6A 6 Feet Automatic Electric Heat Cable Kits, Black Keep your pipes from freezing in the winter. With a built-in thermostat, the Frost King Electric Heat Cable Kit automatically keeps your water pipes from freezing. No more frozen pipes! For use on 2 in. metal and plastic water pipes. Keeps water flowing down to -40 degrees Fahrenheit. Plug has a power indicator light.

Is it safe to have the cable wrap the pipe inside a foam pipe insulator cover, or will it melt the foam insulator?

I ABSOLUTELY had it melt foam insulator before. Do NOT overlap it. I have pics of where it burned through foam pipe insulator because I sued contractor for almost catching my home on fire

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Frost King HC30A Automatic Electric Heat Kit Heating Cables, 30 - Feet, Black

Frost King HC30A Automatic Electric Heat Kit Heating Cables, 30 - Feet, Black

Product ID: 11632905

Details

Brand
Frost King
Color
Black
Item Length
360 inches
Material
Stainless
Voltage
120 volts

⚡120V power, 7W/ft efficiency

🌡️Operates down to -40°F

🛠️Easy DIY installation

395.49 DT

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Description

❄️ Stay ahead of winter’s chill—never let frozen pipes freeze your flow!

ENERGY SMART - Efficient 7 watts per foot power consumption on a 120V system
FREEZE PROOF FLOW - Keeps water pipes flowing smoothly even in extreme cold down to -40°F
PLUG PLAY SETUP - Simple, hassle-free installation for instant winter protection
TRUSTED PERFORMANCE - Top-rated with 4.6 stars and #2 rank in pipe heat cables
UNIVERSAL COMPATIBILITY - Designed for both metal and plastic pipes up to 2 inches in diameter

The Frost King HC30A Automatic Electric Heat Kit is a 30-foot black heating cable designed to prevent freezing in residential metal and plastic water pipes up to 2 inches. Operating efficiently at 120 volts and 7 watts per foot, it ensures water flow down to -40°F. Easy to install and highly rated, it’s the go-to solution for winter pipe protection.

Specifications

ASIN	B00427COLA
Best Sellers Rank	#24,911 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Pipe Heat Cables
Brand Name	Frost King
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (6,428)
Global Trade Identification Number	00077578015736
Included Components	1
Item Length	360 inches
Item Type Name	Frost King HC30A Automatic Electric Heat Kit Heating Cables, 30 - Feet, Black
Item Weight	1.5 pounds
Manufacturer	Thermwell Products Co., Inc
Manufacturer Contact Information	1-800-526-5265
Material Type	Stainless Steel
Model Number	HC30A
Number of Items	1
Part Number	HC30A
UPC	077578015736
Unit Count	1 Count
Voltage	120 volts
Warranty Description	No Warranty
Wattage	7 watts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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395.49 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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