2/0-2/0-1 Aluminum SER Service Entrance Cable | Nassau Cable
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2/0-2/0-1 ALUMINUM SER CABLE

2/0-2/0-1 ALUMINUM SER CABLE
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2/0-2/0-1 ALUMINUM SER CABLE
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2/0-2/0-1 ALUMINUM SER CABLE
SKU: NNC1693X
aluminum-ser-service-entrance-type-r-cable

Availability: In stock

Min Length: 1 FT
Max Length: 10000 FT
Price:
Regular price
$2.90 /FT
Sale price
$2.90 /FT
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Product Information
Specification

2/0-2/0-1 ALUMINUM SER CABLE

Allowable Ampacity for 2/0-2/0-1 ALUMINUM SER CABLE at 60°C: 115 Amps

Allowable Ampacity for 2/0-2/0-1 ALUMINUM SER CABLE at 75°C: 135 Amps

Allowable Ampacity for 2/0-2/0-1 ALUMINUM SER CABLE at 90°C: 150 Amps

Applications:

Aluminum SER cable is a service entrance cable used in residential and light commercial buildings for panel feeders, subpanels, and branch circuits. It is rated for 600V and is suitable for wet and dry locations with an operating temperature of up to 90°C.

This 2/0-2/0-1 size is commonly used for:

  • 150A main service panel feeds in single-family homes (per NEC 310.15(B)(7)).
  • Subpanel feeds in larger residential properties, such as multi-unit dwellings or apartments.
  • Power distribution from meter bases to 150A panelboards in light commercial buildings.
  • Feeding HVAC systems, electric furnaces, and large appliances with high electrical loads.
  • Backup generator connections where a 150A-rated feeder is required.

Also Known As:

2/0-2/0-1 type r cable, 2/0-2/0-1 service entrance cable, 2/0-2/0-1 ser cable, 2/0-2/0-1 aluminum ser cable, 2/0-2/0-1 aluminum service entrance cable, 2/0-2/0-1 electrical entrance cable.

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 2/0-2/0-1 designation means this SER cable contains:

The conductors are made of compact stranded soft-drawn 8000 series aluminum, cabled together with a reinforced binder tape for structural integrity.

Insulation:

Each conductor is insulated with Type XHHW-2 cross-linked polyethylene (XLPE), providing heat, moisture, and chemical resistance.

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: 2/0

  • Bare Conductor Size AWG: 1

  • Nominal O.D. Inches: 0.951

  • Approx. Weight lb/1000FT: 459 lbs

  • Ampacity at 90°C: 150 Amps

  • Ampacity in dwelling: 150 Amps

Compatible with Manufacturer

Houston Wire & Cable : HW022A20201

*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 2/0-2/0-1 AL SER mean?

Two 2/0 AWG aluminum hots and one 1 AWG aluminum neutral.

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 2/0-2/0-1 AL SER include a ground wire?

No. For subpanel and feeder applications requiring an equipment grounding conductor, use 2/0-2/0-2/0-1 AL SER.

What is the main difference between SER and SEU cable?

SER (Style R) has separate insulated hot and neutral conductors plus an equipment grounding conductor. This four-conductor construction makes SER suitable for runs from a main service panel to a subpanel, such as a panel in a detached garage, workshop, or another part of a building.

SEU (Style U) has insulated hot conductors surrounded by a bare concentric neutral and does not include a separate equipment grounding conductor. It is therefore mainly used on the service side of the electrical system, for example, between the meter and the main service panel, where neutral and ground are bonded at the service equipment.

Can 2/0-2/0-1 AL SER be used for a subpanel?

No. Use 2/0-2/0-2/0-1 AL SER instead when the application requires an equipment grounding conductor.

What are the permitted uses for 2/0-2/0-1 AL SER?

2/0-2/0-1 AL SER is used for large service entrance runs and two-wire feeder applications up to approximately 175A. Typical uses include the drop from the meter to a 175A main panel or a two-wire feeder where an equipment grounding conductor is not required at the source. For four-wire subpanel feeders, use 2/0-2/0-2/0-1 AL SER.

Is AL SER cable rated for outdoor use?

Yes, most modern AL SER is listed for outdoor use when properly supported and protected from physical damage per NEC 338.10 and 230.51.

Does interior AL SER need to be in conduit?

No. Interior AL SER can be run exposed or concealed following the installation methods for NM cable under NEC Article 334.

How far can I run 2/0-2/0-1 AL SER before voltage drop becomes a problem?

At 175A on 240V, roughly 129 feet within 3% drop.

Where should service entrance conductors terminate?

Per NEC 230.70, service entrance conductors must terminate at the service disconnecting means, located at a readily accessible location either outside the building or inside nearest the point of entrance.

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