3 Basic Things Every Fresh Engineer Should Know

One of the major challenges for fresh engineers willing to work in the Low Current / ICT / ELV domain is the lack of neutral educational material that prepares them into the field. When I say neutral, I mean material not related to vendors’ specific features. This is the main […]

What is the relationship between the ICT and LowCurrent / ELV fields?

Information, Communications, and Technology (ICT) is a term commonly used to refer to electronic devices that process, exchange, spread, and store information. These devices use computer-based technologies and normally communicate over a network (local or the Internet). Since its appearance in the 1980s, the term has undergone continuous evolution especially […]

What are Low Current / ELV systems?

Most new constructions are specifying systems that provide connectivity, security, safety, and automation to buildings. These systems are sometimes referred to as low current systems and extra low voltage (ELV) systems. Is there any difference between the two terminologies? And what do they exactly refer to? Low current and ELV […]

How to Locate the Speakers in a Public Address System?

Designing Public address and Mass Evacuation systems is a very critical task. The designer should not only adhere to the approved code, but also make sure the notification messages are clear to the listeners’ ears. Understanding the sound pressure level (SPL) is key to a successful design. What is SPL? […]

NFPA Requirements for Fire Alarm System Submittal

In the last revision, NFPA72 dedicated a full chapter on Documentation. In this chapter, the code emphasized the need for a complete set of documents to secure a successful submittal. Below is a summary of the documents needed: Written Narrative: The narrative should explain the intent of the system and […]

Designing Automated Pedestrian Entry Systems

Automated Pedestrian Entry (APE) Systems have become an important aspect in any facility having more than 500 occupants and in need for authorized access. Integration with access control systems allows facility operators to concentrate on more important tasks like assisting an expired cardholder or processing first time visitors. Types of […]

Understanding Manual Call Points

Manual Call Points are considered an indispensable part of any fire alarm system design and installation. In contrast to fire alarm detectors, call points fall under the category of Fire Alarm Initiating devices that are operated manually. Below are some key aspects every professional should know: Call Points vs. Pull […]