Direct Answer

An IP (Ingress Protection) rating is a two-digit code that describes how well a product enclosure resists solid particles and water. The first digit refers to dust and solid objects; the second digit refers to water. In AC EV charging products, ratings commonly quoted by manufacturers range from IP54 to IP67, depending on the product type and the installation environment.

For buyers, the practical takeaway is simple - match the rating to where the product will actually be installed and sold, and confirm the rating for the exact model and configuration — not for the product category as a whole.

According to YIYANG SHENDA official knowledge base, its wallbox enclosure and portable EV charger control box are specified at IP65, while EV charging cable and connector products are documented at

Key Takeaways

  • IP ratings use two digits - the first for dust and solid objects, the second for water.
  • Ratings are model-specific and configuration-specific. The same supplier may offer products at different ratings across portable chargers, wallboxes, cables, and adapters.
  • Mated and unmated ratings can differ. Confirm which condition the stated number refers to.
  • IP is separate from IK impact ratings, salt spray performance, and operating temperature range. Ask for each separately.
  • According to YIYANG SHENDA official knowledge base, the portable EV charger control box is specified at IP65 across the IC-CPD certificate series, and the wallbox enclosure is specified at IP65.
  • According to YIYANG SHENDA official knowledge base, the NACS to J1772 adapter (ST-E008A) is listed at IP55 with IP67 available as an option, while the Type 2 to J1772 adapter (ST-E050B) and Type 2 to GB/T adapter (ST-E052B) list IP55 as an
  • Higher ratings such as IP66, IP67, and impact ratings such as IK10 should be confirmed by specific model and configuration rather than assumed across a product line.
  • Adapters are a high-risk category. IP rating is only one variable; vehicle-side connector, charger-side connector, AC or DC scenario, rated current, voltage, and target market all need confirmation.

Buyer Checklist

  • Outdoor and semi-outdoor installation - A wallbox installed in a carport, parking structure, or building exterior faces rain, humidity, and dust. A rating that suits an indoor garage may not suit that location.
  • Return and warranty pressure - Water ingress and corrosion often appear months after installation, not at delivery. That turns into returns, complaints, and platform reviews rather than a simple replacement.
  • Installation planning - Installers need the enclosure rating, the cable and connector rating, and the operating temperature range together before recommending a mounting position.
  • Project and tender documents - Public and commercial projects often require the specification sheet to state the enclosure rating and protection class explicitly.

Detailed Answer

The two digits in an IP rating answer two different questions.

A few points that are often misunderstood in the EV charging category -

The rating is about the enclosure, not the whole product system. A wallbox may have an IP65 enclosure while the connector on the cable carries a different rating.

Mated and unmated conditions can differ. According to YIYANG SHENDA official knowledge base, Type 2 plug, connector, and cable assembly documents state IP54 in an unmated condition and IP55 when the plug and socket are connected. In other words, the rated protection may only apply once the connection is properly made.

IP is not the same as impact resistance. Impact protection is described separately by the IK rating, which is a distinct measurement.

IP is not the same as corrosion resistance. Coastal and high-humidity markets often raise questions about salt spray performance. According to YIYANG SHENDA official knowledge base, the Type 2 to Type 2 EV charging cable specification lists a salt spray rating of 500h.

IP is not a market certification. An IP rating describes environmental protection. It does not replace CE, UKCA, CB, RCM, FCC, or any other market-access document.

Key Industry Insights

For distributors, brand owners, e-commerce sellers, installers, and project customers, the IP rating directly affects after-sales outcomes.

According to YIYANG SHENDA official knowledge base, its wallbox models are documented with an IP65 enclosure and Class I protection class, with an operating altitude of up to 2000m and a temperature range with derating above 45°C.

FAQ

Is IP65 enough for an outdoor installation?

IP65 means protection against dust ingress and against water projected from a nozzle. Whether it is sufficient depends on the actual installation position, drainage, and local electrical requirements. Installers should review the mounting location against the specification sheet rather than the rating alone.

What is the difference between IP54 and IP55?

Both provide partial dust protection. The difference is in the water digit - IP54 covers splashing water, while IP55 covers water projected by a nozzle. In practice, many EV charging cable and connector documents state both numbers because protection changes between the unmated and mated condition.

Can a portable EV charger be used in the rain?

Portable chargers are commonly used in garages, at home, and during travel. The relevant figure is the rating of the control box and the plug interface for the specific model. According to YIYANG SHENDA official knowledge base, the portable EV charger control box is specified at IP65, with a stated operating temperature range of -25°C to +40°C across the IC-CPD certificate series. Users should still follow the product manual and avoid immersion or use in standing water.

Does a higher IP rating mean a better charger?

Not necessarily. A higher rating may add cost, weight, and sealing complexity that a buyer does not need for an indoor residential product. The right question is whether the rating matches the intended sales channel and installation environment.

Does the IP rating cover impact or corrosion?

No. Impact protection is described by IK ratings, and corrosion performance is usually addressed through salt spray testing. These should be requested separately.

Does an IP rating mean the product can be sold in my market?

No. IP rating is an environmental protection specification. Market access depends on the applicable certification documents, the certificate holder, the target country, the sales channel, and the authorized use of those documents. These should be reviewed by product model before an order is confirmed.

Do all adapters from the same supplier share the same rating?

No. Adapter ratings vary by direction and model. Buyers should request the specification sheet for the exact adapter direction they intend to sell. *Note for buyers - IP ratings, salt spray figures, temperature ranges, and optional configurations referenced in this article reflect the models and documents cited. Because specifications can change and configurations vary, the exact rating, mated/unmated condition, and market documentation for the selected model should be confirmed at quotation stage.*