1 / 7PRIMOWIRE AP-331+SP-331L 25-ft 12/3 Outdoor Extension Cord
The PRIMOWIRE AP-331+SP-331L is a 25-foot, 12-gauge outdoor extension cord with one lighted, locking receptacle. Its stated 15 A, 125 V, and 1875-watt ratings suit buyers needing a heavy-duty single-outlet lead, while its 25-foot reach may not cover longer runs.
At a glance
- One lighted locking receptacle provides a visible power indicator and a connection intended to resist accidental unplugging.
- The listing describes the cord as 12-gauge, 3-wire, SJTW and rates it at 15 A, 125 V, and 1875 watts.
- Manufacturer feature text claims more than 30,000 bend tests and 250 pulls at 20 pounds. These are claims, not independently verified results.
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Pros and cons
Pros
- The 12-gauge specification and 15 A rating are suited to buyers looking for a heavy-duty extension cord.
- A lighted, locking receptacle combines a visible status indicator with a plug-retention feature.
- At 25 feet, it offers more reach than a short appliance lead without requiring a much longer cord.
Cons
- The single receptacle may be limiting when several devices need power at the same location.
- A 25-foot cord is not suitable where the outlet-to-work-area distance exceeds its reach.
Technical specifications
16 specifications| Brand | PRIMOWIRE |
|---|---|
| Model | AP-331+SP-331L |
| Gauge | 12 |
|---|---|
| Rated current | 15 A |
| Voltage | 125 volts |
| Wattage | 1875 watts |
| Plug format | Type B |
| Prong count | 3 |
| Connector gender | Male-to-Female |
| Length | 25 feet |
|---|---|
| Number of outlets | 1 |
| Color | Yellow |
| Intended use | Outdoor |
|---|---|
| Special features | Heavy Duty, Lighted Outlet, Locking Receptacle |
| Water resistance listed | Waterproof |
| Weight listed | 3.5 pounds |
|---|
What to know before buying
Listing details to confirm
The title states a weather range of -58°F to 140°F, while feature text gives -50°C to 60°C. These ranges are not equivalent, so the operating-temperature claim is inconsistent. The title also says indoor and outdoor, while the details field lists outdoor use. Confirm the applicable temperature range and intended use for the selected listing.
Who is it for?
A good fit for
- Outdoor work or seasonal setups needing one 25-foot extension lead and a locking receptacle.
- Buyers who want a visible indicator and a stated 12-gauge, 15 A cord.
Less suited to
- Setups requiring multiple outlets on the cord.
- Runs longer than 25 feet or buyers who need a confirmed, specific low-temperature operating limit.

Customer reviews on Amazon
- 5 stars
86% 86% - 4 stars
9% 9% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
5% 5%
Customer feedback reports favorable impressions of build quality, heavy-duty construction, and functionality. That feedback is relevant to buyers seeking a robust extension cord, but it does not independently establish performance or durability. The overall rating distribution is largely five-star but includes a smaller one-star share, and aggregate ratings do not explain the reasons behind individual scores.
Positive themes
- Customers are described as appreciating the cord's heavy-duty construction and quality.
- The feedback summary says customers find that the cord functions well.
Frequently asked questions
How long is this PRIMOWIRE extension cord?
The listing specifies a length of 25 feet.
How many outlets does it have?
The details list one outlet, described as lighted and locking.
What electrical ratings are listed?
The listing specifies 15 A, 125 volts, and 1875 watts. Match the cord and connected equipment to the electrical requirements of your use.
What temperature range is specified?
The title gives -58°F to 140°F, while feature text gives -50°C to 60°C. Those ranges conflict, so the applicable limit is unclear from the supplied listing.

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