Category: Today I Learned

When the Answer is “No”: Where Lewis Bass Can’t Perform Field Labeling (And Why)

When the Answer is “No”: Where Lewis Bass Can’t Perform Field Labeling (And Why)

At Lewis Bass International Engineering Services, we pride ourselves on our flexibility, responsiveness, and ability to deliver thorough, code-compliant field evaluations across the United States. As an IAS Accredited Field Evaluation Body (FEB), we’re authorized to field label non-listed equipment in a wide range of jurisdictions: from tech-heavy R&D installations in the Bay Area to [...]
How Lewis Bass Field Evaluates Non-Listed Electrical Equipment in San Jose, California

How Lewis Bass Field Evaluates Non-Listed Electrical Equipment in San Jose, California

If you’ve ever tried to bring a new piece of machinery into operation in San Jose, California, there’s a good chance you’ve run into a very specific and very important phrase: Non-Listed Electrical Equipment. It’s not exactly the most exciting topic over coffee, but if you’re an OEM, facilities manager, or installer dealing with custom [...]
NRTL vs. FEB: How They Achieve the Same Goal for Field Labeling Unlisted Equipment

NRTL vs. FEB: How They Achieve the Same Goal for Field Labeling Unlisted Equipment

When it comes to ensuring electrical equipment is safe and up to code in the United States... ...two key players often come into the spotlight: Nationally Recognized Testing Laboratories (NRTLs) and Field Evaluation Bodies (FEBs). While their names might sound technical and their roles a bit intimidating, they both serve a similar purpose — making [...]
Ask Lewis Bass: NFPA 79 Compliance for Industrial Automation Systems

Ask Lewis Bass: NFPA 79 Compliance for Industrial Automation Systems

Welcome to another blog in our ongoing series, Ask Lewis Bass! This series features actual submitted questions from companies in the industries we provide engineering safety consulting services to. Topics covered include those associated with our work in 3rd party field labeling, SEMI S2/S8/EMC/F47 testing, CE Marking evaluations, and general engineering questions. Question: Hey Lewis [...]
Just What Exactly is NFPA 791?

Just What Exactly is NFPA 791?

Have you ever walked into a facility, saw a piece of electrical equipment, and wondered, "Is this safe"? You may also have wondered if any person or company has actually checked this piece of equipment to make sure it complies with safety standards. Well, wonder no more! NFPA 791, otherwise formally known as the Recommended [...]
Field Evaluation Bodies and Field Labeling in Electrical Work

Field Evaluation Bodies and Field Labeling in Electrical Work

In electrical work that involves the installation of new tools (equipment), most equipment gets the green light from a testing lab before it leaves the manufacturer. But what happens when electricians need to install specialized gear that hasn’t been certified yet? That’s where Field Evaluation Bodies (FEBs) like Lewis Bass come into play. Let’s break [...]
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