6-6-6-6 Aluminum SER Service Entrance Cable | Nassau Cable
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6-6-6-6 ALUMINUM SER CABLE

6-6-6-6 ALUMINUM SER CABLE
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6-6-6-6 ALUMINUM SER CABLE
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6-6-6-6 ALUMINUM SER CABLE
SKU: NNC1698X
aluminum-ser-service-entrance-type-r-cable

Availability: In stock

Min Length: 1 FT
Max Length: 10000 FT
Price:
Regular price
$1.66 /FT
Sale price
$1.66 /FT
Shipping Cost Calculated at Checkout. Standard Lead Time is 1 to 6 Business Days.
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Quantity must be 1 or more

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Customer Reviews

Based on 76 reviews
99%
(75)
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j
jeffrey kriebel

6-6-6-6 ALUMINUM SER CABLE

B
Benjamin Rusher
Alternative to 6/3 Copper NM

I purchased this 6/4 AL SER cable to run an outdoor 50 amp RV or EV receptacle. This is a more affordable alternative to running large copper nm cables. I was very happy with the end result. Would highly recommend

W
Willard Skaer
Good job

Right to my door at less cost than my regular suppler .good job in these difficult times

Where are we? 4 Continents 9 Countries

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garrie

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Product Information
Specification

6-6-6-6 ALUMINUM SER CABLE

Allowable Ampacity for 6-6-6-6 ALUMINUM SER CABLE at 60°C: 40 Amps

Allowable Ampacity for 6-6-6-6 ALUMINUM SER CABLE at 75°C: 50 Amps

Allowable Ampacity for 6-6-6-6 ALUMINUM SER CABLE at 90°C: 60 Amps

Applications:

6-6-6-6 Aluminum SER cable is primarily used for residential and light commercial panel feeders and branch circuits. It is rated for 600V and designed for use in both wet and dry locations with an operating temperature of 90°C.

This particular 6-6-6-6 size is suitable for:

  • Subpanel feeds in homes, garages, and workshops (typically 50-60A service).
  • Feeding breaker panels in smaller residential or light commercial buildings.
  • Supplying power to large appliances such as HVAC systems, electric water heaters, and ovens.
  • Feeder cables in multi-unit residential buildings for panel distribution.

Also Known As:

6-6-6-6 type r cable, 6-6-6-6 service entrance cable, 6-6-6-6 ser cable, 6-6-6-6 aluminum ser cable, 6-6-6-6 aluminum service entrance cable, 6-6-6-6 electrical entrance cable, aluminum wire

Standards:

  • Ampacities based on National Electric Code, 2005 edition, section 310-15 

  • 60°C when terminated to equipment for circuits rated 100 Amps or less or marked for 14 gauge through 1 gauge conductors 

  • 70°C when terminated to equipment for circuits rated over 100 Amps or marked for conductors larger than 1 gauge 

  • 90°C wet or dry locations 

  • For dwelling units, conductors shall be permitted at listed ampacities to be utilized as 120/240 volt, 3-wire, single phase service conductors that supply the total load 

  • UL 44

Construction

Conductors:

The "6-6-6-6" designation means this SER cable contains four conductors, each with a 6 AWG (American Wire Gauge) size:

All conductors are made of compact stranded 8000 series aluminum, which is lightweight, corrosion-resistant, and highly conductive.

Insulation:

Each insulated conductor is coated with XHHW-2 cross-linked polyethylene (XLPE) insulation, which provides:

  • High heat resistance (rated up to 90°C).
  • Moisture resistance for wet and dry locations.
  • Durability against mechanical stress and chemical exposure.

 

Assembly:

Two, three or four insulated conductors and a bare ground conductor cabled together and covered with a reinforced binder tape.

Jacket:

The cable jacket used in its design is Polyvinyl Chloride (PVC). The jacket protects the inner components of the cable from potentially damaging external forces. PVC is robust and resistant to oil, sunlight, water, flames, acids, chemicals, radiation, impact, abrasion, and weather changes. Sequential footage markings that help the user identify the appropriate length during installation are noted on the cable jacket.

Specifications:

  • Insulated Cond(s) Size AWG: 6

  • Bare Conductor Size AWG: 6

  • Nominal O.D. Inches: 0.717

  • Approx. Weight lb/1000FT: 196 lbs

  • Ampacity at 90°C: 60 Amps

  • Ampacity in dwelling: N/A


Compatible with Manufacturer

Priority Wire & Cable : 6-03ALUMG-SER
Houston Wire & Cable : HW022A06666
Southwire : 13099701

*Data provided on this page is subject to change based on different manufacturers' variances
** Images are for display purposes only refer to Product Technical Details for accurate information on the product.
In the case the material only comes in a predetermined color or doesn’t come with any color
Download PDF Spec Sheet

FAQ's

What does 6-6-6-6 AL SER mean?

Two 6 AWG aluminum hots, one 6 AWG aluminum neutral, and one 6 AWG aluminum equipment grounding conductor.

What is SER cable?

SER is a NEMA and UL type designation for Service Entrance cable, Style R. "SE" identifies it as service entrance cable, and "R" designates the construction style: the individually insulated conductors are cabled together and covered by a moisture and flame-resistant jacket over a reinforcement tape or braid layer. This distinguishes it from Style U (SEU), where a bare concentric neutral is wound around the insulated conductors under the jacket. SER is rated 600V and governed by NEC Article 338.

Does 6-6-6-6 AL SER include a ground wire?

Yes. The fourth 6 AWG conductor is the equipment grounding conductor.

Can I use 6-6-6-6 AL SER for a subpanel?

Yes, for a subpanel with a load up to approximately 50A. The neutral bar at the subpanel must be isolated from the equipment ground bar per NEC 250.24(A)(5).

Can I use AL SER cable to feed a shed or detached garage?

Yes. AL SER is commonly used to feed detached structures, following NEC 225.30 and 250.32. A grounding electrode system is required at the detached structure.

Can AL SER cable be used in conduit?

Yes. AL SER is permitted in conduit where physical protection is required. Ampacity adjustment factors in NEC 310.15(C)(1) kick in once more than three current-carrying conductors share the raceway. Example: running 6-6-6-6 AL SER through a short PVC sleeve counts as three current-carrying conductors (the equipment ground does not count), so no derating applies. A second cable in the same conduit brings the count to six and requires an 80% ampacity derate.

What is the difference in applications between aluminum and copper AL SER cables?

Aluminum AL SER is the industry standard for residential services and large feeders because it is significantly less expensive and lighter than copper at comparable ampacity. Aluminum requires larger conductor sizes than copper for the same load (for example, 4/0 AL versus 2/0 Cu at 200A) and antioxidant compound at terminations. Copper SER is chosen where space is tight or mechanical durability is critical.

Is AL SER cable rated for wet locations?

AL SER manufactured with XHHW-2 insulated conductors is rated for wet locations. Older AL SER with standard XHHW or THHN conductors is limited to dry locations.

How far can I run 6-6-6-6 AL SER before voltage drop becomes a problem?

At a 50A load on 240V, approximately 89 feet within a 3% voltage drop.

Do I need a separate ground rod at a subpanel fed by AL SER?

Only if the subpanel is in a detached structure. Per NEC 250.32, subpanels in separate buildings require a grounding electrode system bonded to the equipment ground bar. Subpanels in the same building as the main service do not require a separate ground rod.

Reviews

Customer Reviews

Based on 76 reviews
99%
(75)
1%
(1)
0%
(0)
0%
(0)
0%
(0)
j
jeffrey kriebel

6-6-6-6 ALUMINUM SER CABLE

B
Benjamin Rusher
Alternative to 6/3 Copper NM

I purchased this 6/4 AL SER cable to run an outdoor 50 amp RV or EV receptacle. This is a more affordable alternative to running large copper nm cables. I was very happy with the end result. Would highly recommend

W
Willard Skaer
Good job

Right to my door at less cost than my regular suppler .good job in these difficult times

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Call Us: 1-516-482-6313    Text Us: 1-516-703-3460