1 / 7SURAIELEC 30A 50-Foot Generator Cord and Inlet Box
The SURAIELEC generator cord and inlet box kit pairs a 50-foot, 30-amp twist-lock cord with an outdoor inlet enclosure. Its listed 125V/250V cord rating and L14-30 connectors make it relevant to compatible generator setups, but confirm the ratings and connector fit for your generator and installation.
At a glance
- Cord and inlet box are presented together as a generator connection kit.
- The listing claims a 50-foot, 30-amp cord with four-prong twist-lock connectors.
- The inlet box is described as galvanized steel with a 3R rainproof enclosure and removable knockouts.
- An extra-large cover and shaped cable-entry openings are intended to help keep debris away from the inlet.
Reference price: $149.99
Price checked: Nov 14, 2026
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Pros and cons
Pros
- A 50-foot cord gives more placement flexibility between a generator and the inlet than a short lead.
- The kit combines the cord and inlet enclosure, reducing the need to source those two parts separately.
- The four-prong L14-30 connector format is clearly specified for buyers matching a compatible setup.
Cons
- The 30-amp rating and L14-30 connection limit it to systems designed for that connector and capacity, rather than higher-amperage setups.
Technical specifications
17 specifications| Brand | SURAIELEC |
|---|---|
| Current rating | 30 A |
| Listed voltage | 125 volts |
| Power rating | 7500 watts |
| Plug format | Type L14-30 |
| Connector gender | Male-to-Female |
| Prong count | 4 |
| Length | 50 feet |
|---|---|
| Conductor material | 100% copper |
| Cord material | flame-retardant PVC |
| Cord voltage support | 125V/250V |
| Connector types | NEMA 14-30P male plug and NEMA L14-30R female plug |
| Enclosure material | galvanized steel |
|---|---|
| Enclosure rating | 3R rainproof enclosure |
| Water resistance listed | Water Resistant |
| Special features | Extra-Large Cover & Unique Outlet Hole Design |
| Knockouts | 4 knockout holes |
What to know before buying
Listing details to confirm
The listing gives the cord as 125 volts in its details but claims 125V/250V support in the feature text. Confirm the applicable voltage rating, along with connector compatibility, before installation. The box is described as a 3R rainproof enclosure, while its separate water-resistance field says only “Water Resistant.”
Who is it for?
A good fit for
- Generator owners seeking a 30-amp L14-30 cord and inlet box in one kit.
- Installations where a 50-foot generator connection cord is useful.
- Buyers who need an inlet enclosure with removable knockouts for wiring access.
Less suited to
- Setups requiring a connector or current capacity other than the listed 30A L14-30 format.
- Buyers who require a single unambiguous voltage rating without confirming the listing discrepancy.

Customer reviews on Amazon
- 5 stars
55% 55% - 4 stars
9% 9% - 3 stars
19% 19% - 2 stars
17% 17% - 1 star
0% 0%
The aggregate ratings are broadly favorable but mixed, with a meaningful share of ratings below the top categories. The small rating sample does not identify what customers liked or disliked. For a cord-and-inlet kit, buyers should weigh those ratings cautiously and verify the conflicting voltage and protection descriptions against their intended installation.
Frequently asked questions
What connectors are specified for the cord?
The feature text names a NEMA 14-30P male plug and NEMA L14-30R female plug, both described as twist-lock connectors. Confirm they match your equipment.
What voltage is the cord rated for?
The details list 125 volts, while the feature text says the cord supports 125V/250V. The listing is inconsistent, so confirm the applicable rating before use.
How long is the generator cord?
The listed cord length is 50 feet.
What is stated about the inlet box enclosure?
The listing describes a galvanized-steel enclosure with a 3R rainproof rating, an extra-large cover, and removable knockouts. It also separately labels water resistance as “Water Resistant.”

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