Category: Today I Learned

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 [...]
SEMI Compliance Addendum Reports: when are they needed?

SEMI Compliance Addendum Reports: when are they needed?

Maintaining SEMI compliance is crucial for businesses in the semiconductor industry. Instead of opting for a full SEMI S2 evaluation, SEMI compliance addendum reports offer a more efficient and straightforward alternative. These reports are especially useful when existing systems, previously evaluated, undergo minor changes. Such changes might include part replacements due to shortages, redesigns specified [...]
CE Compliance Addendum Reports: what are they?

CE Compliance Addendum Reports: what are they?

CE compliance addendum reports are a clear, simpler path forward over a full CE compliance report. These addendum CE compliance reports are specifically drafted in situations where previously evaluated systems have received minimal revisions due to either parts scarcity, redesigns specified by the end user, name changes, or other functional adjustments. For example, if a [...]
Seismic Anchors in California: when and why to install tool anchorage

Seismic Anchors in California: when and why to install tool anchorage

Seismic Anchors: It is the Law All construction in California is regulated by the California Building Code.  There are additional codes, such as the California Mechanical Code, California Electrical Code and the California Fire Code.  Any device 3’ tall and over and/or weighing more than 400 pounds requires a permit for installation, seismic anchors, and [...]
Ask Lewis Bass: A Question About Thermographic Inspections

Ask Lewis Bass: A Question About Thermographic Inspections

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 and design, CE Marking evaluations, and general engineering safety consulting [...]
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