8/3 Metal Clad MC Cable with Ground 25ft - Durable 8 AWG Power Cable

In this review the 8/3 Metal Clad (MC) Cable with Ground 25ft is evaluated for contractors, electricians, and serious DIYers who need a durable, code-compliant power run for demanding environments. The bottom line: this cable stands out for its combination of 8 AWG copper conductors and a corrosion-resistant aluminum armor that make it a reliable choice for industrial, outdoor, and heavy-duty temporary power applications where long-term durability and safety certifications matter.

Key Features

• Rugged outdoor durability: The metal-clad aluminum jacket protects the insulated conductors from weather, abrasion, and jobsite wear for dependable outdoor and embedded runs.
• Code-listed safety: Constructed to meet UL 83, UL 1569, and UL 2556 standards, it offers reassurance for installations that require recognized safety compliance.
• High-conductivity copper: The 8-gauge stranded copper conductors deliver improved conductivity and heat dissipation compared with non-copper alternatives for higher current capacity.
• Dedicated solid ground: Includes a 10-gauge solid copper ground conductor to ensure a reliable grounding path in demanding installations.
• 90C temperature rating: Rated for up to 90C operation, the cable handles higher thermal loads that occur in heavy current or warm environments.
• 25 ft length: Supplied as a ready 25 ft section that fits many temporary power, generator, and equipment connections without splices.

Who It's For

Electricians and tradespeople who install power for industrial facilities, construction sites, portable generators, and outdoor lighting will appreciate the combination of solid copper conductors and a metal-clad jacket that resists corrosion and physical damage. It is also practical for marine or embedded conduit-free runs where an armored outer jacket is preferred.

Homeowners doing light indoor wiring should look elsewhere for smaller, more flexible ROMEX-style cables; this MC cable is optimized for heavier commercial and outdoor uses rather than delicate indoor branch circuits or tight residential routing.

Pros & Cons

Pros

• Strong aluminum armor offers superior abrasion and weather resistance compared with standard PVC jackets.
• Solid safety pedigree with UL 83, UL 1569, and UL 2556 compliance for code-minded installations.
• 8-gauge stranded copper conductors and a 10-gauge ground provide reliable conductivity and grounding.
• 90C rating supports higher thermal loads and demanding duty cycles.

Cons

• Heavier and less flexible than general-purpose indoor cable, which can make routing in tight spaces more difficult.
• One fixed 25 ft length may require additional connectors or splices for longer runs.

Specifications

Cable type	8/3 Metal-Clad (MC) with ground
Length	25 ft
Conductors	3 x 8 AWG stranded copper + 1 x 10 AWG solid copper ground
Voltage rating	600 V
Temperature rating	90C
Armor	Aluminum alloy metal jacket
Approx. diameter	18.3 mm

Our Verdict

The 8/3 MC Cable 25 ft is a practical, well-built option for professionals and serious DIYers who need a durable, code-compliant armored cable for outdoor, industrial, or temporary power use. It delivers real value when durability, copper conductivity, and UL compliance are priorities, though its weight and fixed length make it less suited to light residential wiring or very long runs without planning.

Frequently Asked Questions

Is this cable suitable for direct burial?
It is designed for rugged outdoor and embedded installation, but verify local code for direct burial specifics and any required additional protection.

Can this cable be used with portable generators?
Yes, the 8/3 conductors and 10-gauge ground make it suitable for many portable generator and temporary power connections when matching connectors and ampacity are confirmed.

Does it meet safety certifications?
Yes. The cable is built to comply with UL 83, UL 1569, and UL 2556 standards for metal-clad and jacketed cable safety.