# UL HazLoc

> Hazardous locations technical expertise and standards for global industries. (iPhone/iPad app by Underwriters Laboratories Inc..)

- Source: https://appshunter.io/ios/app/ul-hazloc/id1060815546 (this page in markdown: same URL + `.md`)
- Developer: [Underwriters Laboratories Inc.](https://appshunter.io/developer/341275025)
- Category: Business, Reference
- Price: Free
- Rating: 5.00/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 27 MB
- Languages: American English
- Released: 2015-12-17
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ul-hazloc/id1060815546/reviews.md

## What is UL HazLoc?

UL’s free HazLoc mobile App supports hazardous locations (explosive atmospheres) industries around the world. These industries include oil & gas, chemical, agricultural, pharmaceuticals, offshore, and mining applications. Whether you are a designer, manufacturer, distributor, importer, end-user or inspection & regulatory authority, this App provides a comprehensive source of technical expertise at your fingertips.

The App incorporates the following:

  • “Select Language” feature presents all of the below features and content in six languages (English; Chinese, Simplified; Chinese, Traditional; German; Portuguese; and Spanish).

• “HazLoc Principles” feature, including…
    - Types of explosive atmospheres,
    - Likelihood an explosive atmosphere is present,
    - Ignition-related properties of explosive atmospheres,
    - Temperature classifications based on maximum surface temperatures, and protection techniques regarding electrical and non-electrical ignition sources.

• “Find Your StandardTM” feature finds the applicable standard across twelve national, regional and international installation principles based on five simple data points.

• “Markings” feature explains equipment markings required both by standards and by national or regional regulations.

• “IP and Type Ratings” feature compares ingress protection for equipment enclosures.

• “Training Workshops” feature for access to public and private training.

• “Request a Quote” & “Contact Us” features for easy access to solutions and to additional information and support.

• Push notifications with a “Stay Connected” feature to obtain region specific technical insights.
 
For more information on UL hazardous locations services, including training: http://www.ul.com/hazloc.

## Key features

- Multilingual support (6 languages)
- Hazardous location principles explained
- Find applicable installation standards
- Equipment marking explanations
- IP and Type rating comparisons
- Access to training workshops
- Request quotes and contact support

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/ul-hazloc/id1060815546/reviews.md

### 5/5 — Amazing!

*2016-03-03, version 1.0.1*

So much information and all in one easy to use App! Thank you UL

## Frequently asked questions about UL HazLoc

### What is UL HazLoc?

UL HazLoc is a free mobile application designed to support industries operating in hazardous locations worldwide. It provides comprehensive technical expertise on explosive atmospheres, relevant standards, and equipment markings.

### What industries does UL HazLoc support?

UL HazLoc supports industries such as oil & gas, chemical, agricultural, pharmaceuticals, offshore, and mining applications that deal with hazardous locations.

### Does UL HazLoc offer multilingual support?

Yes, UL HazLoc features a 'Select Language' option that presents all its features and content in six languages: English, Chinese (Simplified and Traditional), German, Portuguese, and Spanish.

### How does UL HazLoc help users find relevant standards?

The 'Find Your StandardTM' feature within UL HazLoc allows users to identify applicable standards across twelve national, regional, and international installation principles by inputting five simple data points.

### Can I access training through UL HazLoc?

Yes, the 'Training Workshops' feature provides access to both public and private training sessions related to hazardous locations.

### Is UL HazLoc available on Android devices?

The app data indicates support for iPhone, iPad, and iPod. It is not explicitly stated if it is available on Android devices.

### How often is UL HazLoc updated?

The latest version available is 3.2.0, which was last updated on March 6, 2020. This suggests updates may not be very frequent.

### What is the user rating for UL HazLoc?

UL HazLoc has a high rating of 5.0 stars based on 4 user ratings, indicating a very positive user sentiment among its current reviewers.

## Version history (last 5 releases)

### 3.2.0 — 2020-03-06

Bug fixes

### 3.1.1 — 2019-11-22

Push notifications with a “Stay Connected” feature to obtain region-specific technical insights.

### 3.1.0 — 2019-11-09

Push notifications with a “Stay Connected” feature to obtain region-specific technical insights.

### 3.0.1 — 2019-05-15

In this version we are adding support for the iPhone X and above and enhancements to the app to make user experience better.

### 3.0.0 — 2019-05-14

In this version we are adding support for the iPhone X and above and enhancements to the app to make user experience better.

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All apps by Underwriters Laboratories Inc.: https://appshunter.io/developer/341275025

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*