Monoprice

Monoprice 143203 NEMA 5-15P to IEC C13 Angled Power Adapter

4.0 (6 reviews)
1875W

ETL-certified 15A/1875W right-angle adapter that eliminates cable-stress failures where a straight C13 plug physically can't fit.

$5.48*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Monoprice 143203 is a single-piece power adapter that performs one task precisely: it converts a NEMA 5-15P three-prong plug to a right-angle IEC 60320 C13 receptacle, rated at 15A and 1875W at 125 VAC. The engineering rationale for the right-angle exit is straightforward — in rack-mount and close-clearance installations, a conventional straight C13 cord exits perpendicular to the equipment panel, creating a bending stress point at the connector body and requiring clearance depth that may not exist. The 90-degree exit routes the cord parallel to the equipment face, reducing strain and enabling installations where straight C13 hardware is geometrically impractical. The adapter carries ETL certification, meaning it has been third-party verified against North American safety standards rather than relying solely on the manufacturer's self-declaration.

This adapter belongs in the toolkit of AV installers, data center technicians, and anyone managing rack-mounted equipment with constrained outlet spacing. It is also useful in desktop scenarios where a power strip is positioned in an awkward orientation relative to the device's C13 inlet. The 15A rating covers the vast majority of professional audio, computing, and networking equipment on 15A branch circuits. RoHS and REACH compliance make it deployable in regulated enterprise and educational environments without additional documentation burden. It is a narrow-purpose component, but for that specific purpose — eliminating the right-angle C13 gap in an existing cable inventory — it delivers without complexity.

Key Features

Convert a NEMA 5‑15P 3‑prong plug to a right angle IEC 60320 C13 receptacle with ETL approval using this adapter.

You can adapt a C14 panel connector to a NEMA 5‑15R outlet.

Rated up to 15A/1875W at 125 VAC for the North America market.

Rugged molded construction with RoHS and REACH compliance.

Black color.

Specifications

Brand
Monoprice
Model
143203
Plug Type
NEMA 5-15P (3-prong, North American)
Receptacle Type
IEC 60320 C13 (right-angle)
Voltage Rating
125 VAC
Current Rating
15A
Power Rating
1875W
Safety Certification
ETL listed
Compliance
RoHS, REACH
Color
Black
Market
North America

Pros & Cons

👍 Pros

  • Right-angle C13 exit reduces mechanical lever force on the receptacle by routing the cable parallel to the equipment face rather than perpendicular
  • 15A/1875W rating matches the full capacity of a standard NEMA 5-15 branch circuit, leaving no derating headroom to worry about
  • ETL listing provides certified third-party safety verification — not just a manufacturer declaration
  • RoHS and REACH compliance confirms hazardous substance restrictions are met for deployments in regulated environments
  • Rugged molded construction eliminates the cracking and pin-wiggle failure modes common in cheaper unpotted adapters

👎 Cons

  • Rated for 125 VAC North American circuits only — no international voltage support
  • 15A maximum means it is incompatible with 20A C19/NEMA 5-20 circuits used in higher-draw rack equipment without a different adapter
  • Right-angle orientation adds approximately 1.5–2 inches of depth projection from the outlet face, which can conflict with very shallow outlet spacing
  • No locking mechanism on either the plug or receptacle interface — the adapter can be pulled free under cable tension
  • Single fixed-angle orientation may not suit all installation geometries if the cable needs to route upward rather than downward or sideways

Frequently Asked Questions

The IEC C13 receptacle exits the adapter body at a 90-degree angle rather than inline with the plug. In rack-mount environments or tight equipment bays where a straight C13 cord would press against a wall or adjacent unit and create a stress bend, this adapter maintains a flat cable run that reduces mechanical strain at the connector.
15A at 125 VAC is the adapter's rated maximum, matching a standard North American 15A/NEMA 5-15 circuit. For continuous loads, the NEC 80% rule applies — sustained draw should not exceed 12A to avoid thermal stress on the adapter body.
Yes. The product description explicitly supports adapting a C14 panel connector to a NEMA 5-15R outlet, making it bidirectional in its conversion role.
ETL certification covers the complete adapter assembly, verifying it meets UL 498 and CSA C22.2 No. 42 standards for attachment plugs and receptacles at the rated 15A/125V. This is the North American equivalent of UL listing.
No. It is rated for 125 VAC and the North American market only. NEMA 5-15 is a domestic standard; this adapter is not designed or certified for international voltages.