UL Certifications

UL Overview

Underwriters Laboratories Inc. (UL) is an independent product safety certification organization that tests products for compliance to specific safety standards.

In order to meet our customers' safety requirements, HIS certifies all display products to meet one or more of the following categories.

Industrial Control Equipment (NRAQ)

Products Listed under this category include programmable industrial control systems utilizing a programmable memory for internal storage of user-oriented instructions for specific functions, such as logic, sequencing, counting, and controlling various industrial equipment through digital or analog inputs or outputs. Other products include power supplies, central processing units, input and output accessories, computer interfaces, and programming or program diagnostic units associated with programmable control systems.

Reconditioned or rebuilt programmable controllers and their accessories are also included in this listing. Reconditioned or rebuilt devices are factory reconditioned to the extent that disassembly and reassembly is necessary, using new or reconditioned component parts. The reconditioned devices are subject to the same requirements as new devices.

The basic standard used to investigate this category is UL 508, Industrial Control Equipment.

All of HIS' Panel Mount monitors (HIS-ML12, HIS-ML15, HIS-ML17, HIS-ML19, and HIS-ML21) are covered under UL 508.

• UL 508, UL 50E Certification

• UL 508 Certification for Canada

See below for UL 50E explanation.

Information Technology Equipment (NWGQ)

This category covers equipment, appliances, and systems rated 600 V or less normally found in offices and other business establishments, residences (homes), educational facilities, and other similar environments classified as ordinary locations.

This equipment has been investigated for installation in information technology equipment (computer) rooms as defined in ANSI/NFPA 75, "Protection of Electronic Computer/Data Processing Equipment," and Article 645 of ANSI/NFPA 70, "National Electrical Code" (NEC), unless the equipment is otherwise identified by a marking or instruction.

Equipment may be electronic or electromechanical in design or a combination thereof. Various groupings of equipment are covered under this category, such as flat-panel displays, LCD displays, monitors, and plasma displays.

The basic standard used to investigate this category is UL 60950-1, Information Technology Equipment.

All of HIS' Universal Mount monitors are covered under UL 60950-1. HIS-UM15, HIS-UM17, and HIS-UM19 are covered under model numbers HIS-WL15, HIS-WL17, and HIS-WL19, respectively.

• UL 60950, UL 50E Certification

• UL 60950 Certification for Canada

UL 50E

HIS has further certified its products to UL 50E standards for Type 2, 12, 4, and 4X.

This standard applies to enclosures for electrical equipment intended to be installed and used in non-hazardous locations in accordance with the Canadian Electrical Code, Part I, CSA C22.1, the provisions of the National Electrical Code, NFPA 70, and the provisions of Mexico's Electrical Installations, NOM-011-SEDE, as follows:

a)     Enclosures for indoor locations, Types 1, 2, 5, 12, 12K, and 13; and

b)     Enclosures for indoor or outdoor locations, Types 3, 3R, 3S, 4, 4X, 6, and 6P.

These certifications are part of the categories above.