Iron Box
IronBox Electric
Bottom line: The IronBox Electric ($7.79 on Amazon as of 2026-10-06): Heavy 14/3 AWG wire rated 15A/250V for high-draw gear; main trade-off: only 2ft long, limiting placement near the 250V outlet.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Heavy 14/3 AWG wire rated 15A/250V for high-draw gear
- ✓ UL Listed; tested for hi-pot, continuity, and polarity
- ✓ NEMA 6-20P to IEC C13 fits monitors, PCs, printers, audio
- ✓ Molded ends and sealed jacket resist water, oil, and dirt
Cons
- ✗ Only 2ft long, limiting placement near the 250V outlet
- ✗ Requires a NEMA 6-20 250V receptacle, not a 120V wall outlet
- ✗ C13 connector won't fit C19 or C7 device inlets
- ✗ Single fixed 2ft length; no longer options in this listing
SpecPicks Verdict
SpecPicks scored IronBox Electric using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. Iron Box's power supplies & cables lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for power supplies & cables of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- ROBUST DESIGN - The IronBox Electric NEMA 6-20P Plug to C13 Connector Power Cord embodies resilience with its heavy-duty construction. Rated at 15 Amps and 250V, this power cable is equipped with 14/3 AWG wire, ensuring reliable performance for demanding power needs. Its sturdy build is ideal for continuous, high-power applications like cryptocurrency mining and other advanced computer operations, providing unwavering support for your essential devices.
- WEATHER-RESISTANT EFFICIENCY - Crafted for adaptability, this power cord is fully sealed, providing protection against water, oils, and dirt. Its weather-resistant design makes it a versatile choice for both indoor and outdoor settings. Whether setting up a tech station outdoors or securing a power source for equipment in challenging environments, this cable ensures a consistent power supply, regardless of the conditions.
- UNIVERSAL COMPATIBILITY - This power cord features universal applicability. The NEMA 6-20P to C13 connection enables seamless integration with a variety of devices, including computers, monitors, printers, audio systems, and speakers. This universal power cable is not just a replacement; it's an upgrade to your existing setup, ensuring that all your equipment, whether in technology, medical, government sectors, or home offices, receives stable and efficient power.
- EXCEPTIONAL QUALITY - Manufactured under strict quality control standards, each cable undergoes rigorous testing for Voltage Hi-Potential, Continuity, and Polarity, ensuring dependable performance. This NEMA 6-20P Plug to C13 power cord is UL listed, reflecting its compliance with industry standards and emphasizing its commitment to quality and safety.
- VERSATILE & USER-FRIENDLY - IronBox Electric's NEMA 6-20P to C13 Power Cord combines durability with ease of use, making it an ideal solution for both small businesses and large enterprises. Its flexible yet sturdy design ensures reliable performance under frequent use and simplifies installation, providing plug-and-play functionality that effortlessly supports a variety of devices.
Full Specifications
| Brand | Iron Box |
|---|---|
| Color | Molded |
| Gauge | 3.0 |
| Voltage | 250 Volts |
| Wattage | 3750 watts |
| Amperage | 15 Amps |
| Plug Type | Type B |
| UL Listed | Yes |
| Unit Count | 1.0 Count |
| Item Length | 24 Inches |
| Plug Format | Type B |
| Model Number | IBX-4936-02 |
| Input Current | 15 Amps |
| Mfr Part Number | IBX-4936-02 |
| Connector Gender | Male-to-Female |
| Special Features | Heavy-duty construction, weather-resistant, universal compatibility, UL listed |
| Number of Outlets | 1 |
| Case Material Type | Plastic |
| Has Extension Cord | No |
| Number Of Conductors | 3 |
| Full listing title | IronBox Electric - NEMA 6-20P Plug to IEC C13 Power Cord - 15A/250V, 14/3 AWG - UL Listed Heavy Duty Power Cord - Replacement Cords for Monitor, Computer, Printer, Audio Speaker & More (2ft, Molded) |
Ready to buy?
IronBox Electric - NEMA 6-20P Plug to IEC C13 Power Cord - 15A/250V, 14/3 AWG - UL Listed Heavy Duty Power Cord - Replacement Cords for Monitor, Computer, Printer, Audio Speaker & More (2ft, Molded) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Related Power Supplies & Cables
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Retro Handhelds in 2026 — From $35 to $500
- Best 1440p Gaming GPUs in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- How to Build a Windows 98 Retro PC in 2026
More reviews from the SpecPicks archive
Browse all reviews →- RTX 3060 12GB for Local LLMs: The Complete 2026 Guide
- Best Ryzen CPU for Gaming in 2026
- Best Raspberry Pi 4 Starter Kit Bundle for First-Time Robotics Builders in 2026
- Best SSDs and Adapters for Retro PC Builds in 2026
- Best Gaming Monitor for Console and PC Hybrid Setups Under $300 in 2026
- CompactFlash Imaging for Retro PCs: A CF133 + IDE Workflow
- Best Raspberry Pi for a Touchscreen Home Dashboard in 2026
- Best GPU for AI code generation in 2026
- Nemotron 3 Ultra vs Step 3.7 Flash: The 2026 Open-Weights Race
- R36S Retro Handheld: Real Specs vs. the Hype (2026 Guide)
- Qwen3.6-27B on Dual RTX 3060 12GB: The $400 30-50 tok/s Local LLM Build
- Ryzen 5 5600G as a Budget Local-LLM Host: iGPU + System RAM in 2026
- Ollama on the RTX 3060 12GB: Model Sizes and tok/s for 2026
- Qwen 3.6 27B at 2x tok/s: Luce DFlash on One RTX 3090
- How to run Qwen 3 14B on Arc B580
- Intel Arc Stable Diffusion WebUI: Setup & Performance 2026
- Which LLMs Actually Fit on an RTX 3060 12GB in 2026?
- Best Raspberry Pi 5 Starter Kits and Accessories for Home Lab Builds (2026)
- Forza Horizon 6 Boots in 4 Seconds with Advanced Shader Delivery
- Raspberry Pi OS Moves to the Linux 6.18 LTS Kernel
- Best Game Controllers for PC, Retro & Handheld in 2026
- Mystery N64 Cartridge Found in the Woods Boots Up
- Build a Home Assistant Smart-Home Hub on a Raspberry Pi 4 8GB in 2026
- Best SATA SSDs for Console and Retro PC Upgrades in 2026
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090