PRODUCT REAL SHOT
1 AWG THHN Stranded Copper NEC Type MC Cable for Lighting Circuits
1 AWG THHN Stranded Copper NEC Type MC Cable For Lighting Circuits is UL1569 certified lighting wiring. With stranded copper conductors and 90°C THHN insulation, it delivers low voltage drop for long-distance lighting runs. Its interlocking metal armor saves conduit costs and speeds up installation, ideal for mall, parking lot and office lighting circuits.
PRODUCT SPECIFICATIONS
| Conductors |
Outside Diameter Over Armor (in) |
Outside Diameter Over Jacket (in) |
PVC Thickness (in) |
Approximate Net Weight (lbs/1000ft) |
Allowable Ampacity (Amps) |
Standard Packaging | ||||
| AWG/NO. | Type | Ground | 75℃ | 90℃ | Reels | |||||
| 1/3 | Stranded | 6 AWG Grwwn Insulated | 1.224 | 1.324 | 0.050 | 1530.59 | 130 | 145 | 1000' | |
| 1/4 | Stranded | 6 AWG Grwwn Insulated | 1.337 | 1.437 | 0.050 | 1874.58 | 130 | 145 | 1000' | |
CERTIFICATIONS
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WHY CHOOSE US
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Dongguan Greater Wire & Cable Co., Ltd. is a professional engineering-grade cable manufacturer in China, supplying certified electrical cable solutions for building, industrial, mining, energy, and infrastructure projects worldwide.
With a 30,000 m² factory, 30 production lines, experienced engineers, and a strict quality control team, we provide reliable, traceable, and compliant cable products for international engineering applications. Our products are supported by certifications including SAA, UL, cUL, VDE, TÜV, CE, CB, IEC, BPS, and ISO.
We are committed to safety, quality, transparency, and long-term partnership. From raw material inspection to finished product testing, every batch is carefully controlled to ensure stable performance and dependable project use.
Greater Cable - Certified Quality. Reliable Supply. Engineering Value.
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INTERNATIONL TRANSPORTATION
01
Sea Freight
We offer reliable sea freight solutions for large-volume orders. Your goods are securely packed and shipped in containers, ensuring cost-effective delivery to ports worldwide.
02
Air Freight
For faster delivery, our air freight service ensures your products reach international destinations quickly, with careful handling and full tracking along the way.
03
International Express
Need urgent shipments? Our international express service delivers small to medium orders efficiently, providing door-to-door service with real-time tracking for peace of mind.
COOPERATIVE PARTNER
We are looking for a cooperative partner to expand our business.
Simply share your requirements, receive our professional solution, confirm samples, and enjoy fast, reliable production and worldwide delivery - working with us is that easy.
Our address
Building 2, No. 40 Luxi 2nd Road, Liaobu Town, Dongguan City, Guangdong Province, China
Phone Number
+86 136 6257 9592
+86 135 1078 4550
manager01@greaterwire.com
FAQ
What is the ampacity of 1 AWG THHN MC cable for lighting circuits, and what breaker size should I use?
Per NEC 2023 Table 310.16, 1 AWG THHN copper has a 90°C base ampacity of 150A. For standard 75°C equipment terminations, the usable ampacity is 130A. For continuous lighting loads (running ≥3 hours), use a 125A circuit breaker (80% load rule), which can power up to 75kW of 480V lighting or 30kW of 120/240V lighting.
Why is 1 AWG MC cable preferred for long-distance lighting runs?
1 AWG copper conductors have significantly lower resistance than smaller gauge wires, resulting in minimal voltage drop over long distances. This prevents dim lighting, flickering, and premature fixture failure in applications like parking garages, outdoor stadiums, and campus perimeter lighting. It can safely power lighting runs up to 300 feet at 480V and 150 feet at 240V while maintaining NEC voltage drop limits.
Can this cable be used for outdoor lighting and exposed wet locations?
Yes. All versions feature THHN/THWN-2 insulation rated for 90°C wet locations, making them suitable for covered outdoor areas and exposed indoor wet spaces like car washes. For fully exposed outdoor lighting, direct burial or concrete encasement applications (such as underground parking lot lighting), select the version with an optional PVC outer jacket for enhanced corrosion and moisture protection.
What installation methods are allowed for 1 AWG MC lighting cable, and how does it save time vs. conduit?
Per NEC Article 330, it can be installed exposed on walls/ceilings, concealed in framing, in cable trays, and under raised floors. Unlike individual THHN wires that require measuring, cutting, bending, and pulling through conduit, MC cable comes as a pre-assembled unit with built-in armor protection. This reduces lighting installation labor time by 40-50% and eliminates the need for separate conduit materials, making it ideal for fast-track commercial lighting projects.
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