8/3 Metal Clad MC Cable 100ft - Rugged 8 AWG Power Cable

In this review the 8/3 Metal Clad (MC) Cable 100ft is assessed for installers and site electricians who need heavy-duty, all-weather power distribution. The bottom line: this cable is built for durability and high current capacity, making it a practical choice where a robust metal jacket and solid copper grounding are priorities. The reviewer found it particularly useful for outdoor, industrial, and temporary power runs because of its aluminum armor, 8 AWG copper conductors, and UL safety compliance.

Key Features

• Rugged Outdoor Durability: The insulated conductors and metal jacket are rated to 90C, offering dependable performance in extreme environments.
• Safety Standards: The cable complies with UL 83, UL 1569, and UL 2556, which provides reassurance for professional installations.
• High-Performance Conductivity: Eight-gauge stranded copper conductors deliver enhanced current capacity and better heat dissipation than many non-copper alternatives.
• Solid Copper Ground: Includes a 10-gauge solid copper ground wire to ensure a reliable grounding path for safety.
• All-Weather Aluminum Armor: Corrosion-resistant aluminum alloy jacket stands up to heat, humidity, and outdoor exposure while remaining flexible.
• Length and Convenience: Supplied as one 100 ft continuous length, suitable for longer runs without splices when planned correctly.

Who It's For

The 8/3 MC cable is aimed at electricians, contractors, and facilities teams who need a durable feeder for industrial or outdoor applications, including power to portable generators, pumps, lighting, and heavy machinery. Its metal-clad jacket and copper conductors make it suitable for job sites, marine connections, and permanent runs where a tougher-than-PVC cable is preferred.

Those who should look elsewhere include homeowners needing flexible indoor wiring for light fixtures or simple household circuits where softer, lighter cables or conduit solutions are more practical. Also, if a different conductor count or length is required, confirm size and style before ordering.

Pros & Cons

Pros

• Durable aluminum armor provides superior weather and corrosion resistance for outdoor use.
• 8 AWG stranded copper conductors improve conductivity and heat dissipation for higher current tasks.
• Meets multiple UL standards, offering confidence for professional installations.
• Includes a solid 10 AWG copper ground for dependable grounding.

Cons

• Heavier and less flexible than soft-jacket cable, which can make handling in tight spaces more cumbersome.
• Only supplied in a 100 ft length; other lengths require separate ordering or splicing.

Specifications

Cable Type	8/3 Metal Clad (MC)
Length	100 ft
Conductor Gauge	8 AWG stranded copper (7 strands, 1.23mm)
Ground	10 AWG solid copper (2.59mm)
Voltage Rating	600V
Temperature Rating	90C
Armor	Aluminum alloy metal jacket

Our Verdict

The 8/3 Metal Clad 100 ft cable is a solid choice for professionals who need a dependable, weather-resistant feeder with strong conductivity and certified safety ratings. It represents good value when durability, a solid ground, and compliance with UL standards are priorities, though installers should plan for the added weight and limited factory lengths.

Frequently Asked Questions

Is this cable suitable for outdoor burial?
It is designed for outdoor and embedded installations with an aluminum armor jacket, but verify local code and burial depth requirements before direct burial.

What is the ground conductor?
The cable includes a 10 AWG solid copper ground conductor to provide a reliable grounding path.

Does it meet safety standards?
Yes, it complies with UL 83, UL 1569, and UL 2556 and is rated to 90C and 600V.