FAQ Friday (Frequently Asked Questions) Archives

October 31, 2025

FR FAQ: How Should My FR Clothing Fit?

One of the most common questions we hear about arc-rated and flame resistant (AR / FR) clothing is: How should it fit? Is a tight, snug, or loose fit recommended? Before we dig into our answer, our stance on this topic is firm: When it comes to AR/FR clothing, proper fit […]

October 24, 2025

Does Fabric Construction Affect Arc Rating?

A great deal of science and attention to detail goes into engineering arc-rated and flame resistant (AR / FR) clothing. Even seemingly small details – like the way a fabric is constructed – can have a big impact in the final product. In fact, the characteristics of an AR / […]

October 17, 2025

Is Hi-Vis Tape Flame Resistant?

As high-visibility (hi-vis) garments become increasingly common in the industry, we are receiving new questions about these products. Hi-vis tape is designed to make workers more visible in low-light or high-traffic environments. But is it flame resistant? Scott Margolin, Vice President of Technical, explains:

October 10, 2025

How to Layer Arc-Rated Clothing for 20-Cal Protection

When performing high-risk electrical work, it’s critical that your personal protective equipment (PPE) exceeds the potential incident energy of an arc flash associated with that task. For work that requires a category (CAT) 2 level of protection—defined by NFPA 70E as a calorie rating of 8–24 cal/cm²—layering arc-rated and flame […]

April 4, 2025

The Truth About Lockout/Tagout and Arc-Flash PPE

We’re continuing our series on OSHA’s new arc-flash guidance by tackling a common question: Do you need arc-rated(AR) personal protective equipment (PPE) during the lockout/tagout (LOTO) process? It’s easy to assume that LOTO is de-energized work – but that’s not actually the case. Every step of the LOTO process must […]

October 11, 2024

NFPA 70E’s “Big 3” Tenets for Worker Protection

NFPA 70E Standard for Electrical Safety in the Workplace is the primary standard for commercial and industrial electricians in the United States today, and we’re often asked what it says about protecting workers. Though the answer is more comprehensive and detailed than can be digested in one sitting, its core […]

October 4, 2024

Understanding AR/FR Garment Compliance vs. Protection

It may be surprising, but compliance and protection aren’t always synonymous – especially when it comes to arc-rated and flame resistant (AR/FR) garments. Put simply, compliance refers to what we must do to meet regulatory requirements, such as OSHA guidelines or what is outlined within standards like NFPA 70E or […]

September 27, 2024

Why is FR Clothing so Expensive?

Arc-rated and flame resistant (AR / FR) garments are more expensive than everyday clothing due to the extensive time, resources, and science that go into their design and production. Tyndale’s How It’s Made series offers a detailed look at the process, from fiber and yarn weaving to engineering AR / […]

September 19, 2024

What is the Maximum Body Burn Percentage that Still Passes NFPA 2112?

For over 25 years, NFPA 2112—the “flash-fire standard”—has been essential in protecting workers from flash fire hazards by establishing minimum performance criteria for flame resistant (FR) garments. NFPA 2112 sets clear guidelines for testing FR garments and the components that comprise the garments, including the fabric. In order to be NFPA 2112 […]

September 6, 2024

Understanding NFPA 2112 Compliance vs. Certification

We’re often asked what the difference is between NFPA 2112 compliance and NFPA 2112 certification. As you may know, NFPA 2112 – the “flash-fire standard” – provides minimum performance criteria and sets clear guidelines for testing flame resistant garments and the components that comprise the garments, such as the fabric […]

August 30, 2024

Risks of Buying AR / FR Clothing Online: What You Need to Know

Online shopping has become the go-to method for purchasing almost anything, especially since the pandemic. However, with the online retail boom, some marketplaces – including major platforms like Amazon – are turning into something of a “Wild West,” where there has been a surge in counterfeit and fraudulent items for […]

August 2, 2024

EH-Rated Boots – What You Should Know about Maintenance and Testing

For anyone working in an energized electrical environment, wearing the proper protective gear is a must – including the appropriate footwear! That’s where electrical hazard (EH) rated boots come into play! These boots are designed to protect you from potential electrical hazards. Join our Vice President of Technical, Scott Margolin, […]

July 26, 2024

Does FR Clothing Shrink?

A common question we’re asked about arc-rated and flame resistant (AR / FR) clothing is, “Does it shrink when laundered?” While all knit garments have the potential to shrink after washing and drying, modern AR / FR clothing is much more resilient than it was a decade ago. Today’s quality […]

July 19, 2024

How Long Does FR Clothing Last? Understanding the Lifespan of Arc-Rated and Flame Resistant Clothing

One of the most frequent questions we receive about arc-rated and flame resistant (AR / FR) clothing concerns longevity: How long does the clothing last? Below, our Vice President of Technical, Scott Margolin, explains why this question has more nuance than you might think. How long does FR clothing […]

June 28, 2024

Bug-Repellent FR Clothing: Your Shield Against Insect Hazards

When working outdoors, protection can mean guarding against thermal hazards like arc flashes and flash fires. However, it’s also important to have garments that defend against smaller – but also dangerous – threats posed by insects. At Tyndale, we understand the importance of comprehensive safety, which is why we’re proud […]

May 31, 2024

What is an “Adequately Rated” Meter According to NFPA 70E?

NFPA 70E is a vital standard for establishing practical and safe workplaces in order to avoid electrical hazards. Within NFPA 70E, the phrase “adequately rated meter” pops up frequently. The term “adequately rated” is often misunderstood throughout industries that follow NFPA 70E and use electrical testing meters. Read on to […]

May 17, 2024

Understanding What Accessories Should NOT Cross an Arc Flash Boundary

When it comes to electrical safety, understanding and adhering to strict guidelines is paramount to protecting yourself from potential hazards. When working near energized electrical components, it’s crucial to know what is and isn’t permissible within the protection boundaries set forth by standards such as NFPA 70E, Standard for Electrical […]

May 3, 2024

Wearing AR/FR Clothing: A Story of Survival and Protection

Arc-rated and flame resistant (AR / FR) clothing is indispensable for workers facing arc flash, flash fire, or combustible dust hazards due to their brief and directional nature. Unlike flammable clothing that can ignite and continue to burn, AR / FR garments prevent ignition and offer vital insulation against thermal […]

April 26, 2024

Why You Should NOT Wear Athletic Shirts Underneath Your AR / FR Garments

It’s critical to wear arc-rated and flame resistant (AR / FR) clothing while working in energized environments. Equally important, however, is what not to wear underneath your protective clothing, specifically moisture-wicking athletic wear. Tune in to the video below as our Lead Corporate Safety and Technical Trainer, Jason Brozen explains […]

April 18, 2024

PFAS and AR/FR Clothing: 3 Things to Know

PFAS is a term you may have heard in the news recently. The Environmental Protection Agency (EPA) describes PFAS as “a series of man-made chemical compounds that persist in the environment for long periods of time.” Are these “forever chemicals” present in arc-rated and flame resistant (AR / FR) clothing? […]

February 16, 2024

Enespro 40cal Suit Faces Off Against DC Arc – Witness the Power!

Navigating energized electrical environments comes with the inherent risk of direct current (DC) arc flash hazards. When working in this environment, it is critical to be equipped with proper PPE that ensures your safety. Curious about the resilience of an Enespro arc flash suit when it encounters an oncoming DC […]

January 26, 2024

Trending in 2023: Tyndale’s Top Videos

Each year, our VP of Technical, Scott Margolin, brings our viewers relevant industry education through our technical video library. Scott’s extensive experience and knowledge provide Tyndale with unmatched technical expertise. As our Vice President of Technical, Scott serves as Tyndale’s lead resource for any technical questions or issues that arise. […]

January 19, 2024

Trending in 2023: Tyndale’s Top Blogs

Each year, we leverage our industry-leading blog and videos to provide in-depth educational content. Whether it’s answering technical questions or addressing common safety concerns, we’re dedicated to updating management and workers on the latest developments in the arc-rated and flame resistant (AR / FR) clothing industry. Our posts are backed […]

October 27, 2023

Stay Safe and Informed: PPE Updates in the 2024 NFPA 70E Electrical Safety Standard

In the evolving landscape of workplace safety, staying up to date with industry standards is crucial. The National Fire Protection Association’s (NFPA) NFPA 70E standard is a critical reference for those who specify or wear arc-rated and flame resistant (AR / FR) clothing and related personal protective equipment (PPE). This […]

September 29, 2023

Testing the Heat: Advanced Thermal Analysis Facilities

When it comes to personal protective equipment (PPE) for individuals working in hazardous environments, the importance of arc-rated and flame resistant (AR/FR) clothing cannot be overstated. These specialized garments are designed to protect wearers from arc flash and flash fire hazards encountered in utility, oil and gas, and other industries. […]

September 8, 2023

What’s the Latest from our Proud to Help Committee?

At Tyndale, giving back isn’t just a simple act of kindness; it’s the very fabric of who we are. Led by our Proud to Help Committee, Tyndale employee “members” have taken the initiative to help support our local communities combat widespread concerns such as poverty, disease, environmental impacts, and more. […]

May 19, 2023

What are the Best Resources for Electrical Safety?

May is National Electrical Safety Month. Each year, electrically related incidents disrupt livelihoods and families due to injuries, deaths, and property losses. Currently, over 750,000 industrial electrical workers are not using proper protection. This number is even more alarming because NFPA 70E, Standard for Electrical Safety in the Workplace – […]

May 12, 2023

Decoding the Language of Standards: Should vs. Shall

The recent promotion of NFPA 70B from a guide to a standard carries significant implications for electrical maintenance. We recently published a blog that reviews this status change in detail. This upgrade is an opportune time to address a question we often receive: In the context of industry standards, what’s […]

May 5, 2023

What are Tyndale’s Top Safety Tips for Summer 2023?

Summer is right around the corner! And while we typically enjoy many fun summertime activities, such as going to the beach, hiking, and camping, the season also presents some safety issues. Stormy weather, heat-related illnesses, skin damage from the sun’s UV rays, and bug bites require extra precautions, which are […]

April 21, 2023

How to Remove Stains from AR / FR Clothing

Working in a profession that requires you to wear flame resistant and arc-rated (AR / FR) clothing is serious business. You’re exposed to potential risks and hazards on a regular basis, so you must be prepared with the right gear. But what do you do when your trusted AR / […]

April 6, 2023

What Changes Now That NFPA 70B is a Standard?

Did you hear the news? NFPA 70B, Standard for Electrical Equipment Maintenance, was recently upgraded from a guide – that is a recommended practice indicating what you should do – to a standard, making it a requirement indicating what you shall do. In our last post we took a look […]

March 31, 2023

How Does NFPA 70B Fit with NFPA 70 and NFPA 70E?

Last week we shared that NFPA 70B, Standard for Electrical Equipment Maintenance, was recently upgraded from a guide – that is a recommended practice indicating what you should do, to a standard – making it a requirement indicating what you shall do. As a result, there is a strong likelihood […]

February 1, 2023

What is a Stoll Curve?

As a woman-owned company, Tyndale is dedicated to celebrating and supporting women in the industry. Our popular Women in Power Series shines a light on the growing number of women working in the field today. But whether in the spotlight or behind the scenes, women have played an integral role […]

January 20, 2023

The Top 5 FR FAQ’s of 2022

In case you needed another reason to love Fridays, here’s a good one: it’s our FR FAQ day! Every Friday, we promote a blog post highlighting the answer to a frequently-asked question (FAQ). In each, you’ll find helpful information on topics like the hazards you face, the arc-rated and flame […]

December 2, 2022

Arc Ratings for FR Clothing: What is the Difference Between ATPV and EBT?

To better understand arc ratings – what they are and the difference between the two ways they are measured – we define them below and link back to Tyndale’s Arc Week Season 3, which covers the science behind all things arc flash. What is an Arc Rating? Simply put, an […]

November 4, 2022

UPDATE: Where does OSHA Stand on Expanding Protections for Indoor Electricians?

Update: new OSHA guidance to close this gap in arc flash protection is pending. See the latest update here. More than 500,000 Americans working on or near energized industrial electrical equipment today do not have protection from deadly arc flash hazards, despite safety standards that have been in place for […]

October 21, 2022

How Do I Navigate Protective Footwear Supply-Chain Challenges?

We’re all well aware of current supply chain disruptions in the aftermath of the COVID-19 pandemic. Go into almost any store, and you can’t help but notice the empty shelves once filled with your favorite products. But if you or your workers wear protective footwear to stay safe on the […]

August 12, 2022

What’s New to Tyndale’s Line of Women’s Apparel?

What’s New to Tyndale’s Line of Women’s Apparel? Check Out What’s Now Available in Tyndale’s Versa Collection! To provide an enjoyable uniform experience for everyone, Tyndale continues to make strides in developing our women’s clothing line. As our markets continue to grow, we’ve made it a priority to expand our […]

June 17, 2022

What’s the Difference Between a Test, Practice, Guide, and Specification?

Navigating your way through the language in a standard can be dizzying enough. Add the fact that there are several different types of standards and it’s easy to get a little lost. This is why we’re taking the time to share the six different types of standards under ASTM while […]

June 3, 2022

What are Heat Stress Causes, Symptoms, and Solutions?

As reported in a recent blog, OSHA has issued a National Emphasis Program (NEP) to protect workers from the dangers of heat-related illnesses. This summer, OSHA is proactively looking for violations in 70 targeted high-risk industries when a heat warning or advisory has been issued in the area. This initiative […]

May 27, 2022

How Does Tyndale Ensure Continuous Business Productivity?

How prioritizing our member’s workplace health and happiness contributes to the overall success of our business productivity. At Tyndale, we’re continuously working to raise the bar, and we’re proud of our proven history of innovation – with an unwavering focus on enhancing our customers’ experience within each unique managed program […]

May 13, 2022

What is the NSUJL?

NSUJL stands for the National Sisterhood United for Journeymen Linemen, an nonprofit organization started in 2012 by a group of linewives who were motivated to help families of fallen and injured lineworkers. Today the organization is dedicated to assisting fallen or injured IBEW Journeymen Linemen, Utility Linemen, Apprentice Linemen, Groundmen, […]

May 6, 2022

What are Tyndale’s Top Tips for Summertime Safety?

At long last, summer is almost here. Although we may look forward to days at the beach, outdoor events, and other fun ways to soak up the sunshine, we must also prepare for some summertime nuisances that can turn into health and safety issues if not kept in check. As […]

April 29, 2022

What do Safety Standards Say About Vented Shirts?

Summer is coming and now is the perfect time to make sure that you’re not only stocked up on lightweight and breathable arc-rated and flame resistant (AR / FR) clothing, but also aware of the standard updates that govern those garments such as, vented shirts. Designed to help dissipate heat, […]

April 8, 2022

Have you stocked up on your lightweight FRC for summer?

Summer temperatures have already arrived in some areas of the country, signaling it’s time to order your lightweight arc-rated and flame resistant (AR / FR) clothing early. Aside from making sure you’re weather-ready for those random extra warm spring days, beating the rush of summer orders is important for many […]

April 1, 2022

How are Safety Clothing Brands Closing the Gap in Women’s PPE?

If you’re a woman required to wear arc-rated and flame resistant (AR / FR) clothing, you may have experienced a lack of appealing PPE options specifically designed for you. While improvements have been made to enhance the women’s safety apparel and PPE offering, this continues to be a concern for […]

March 11, 2022

What is NFPA 70 and how does it relate to NEC and NESC?

In previous posts, we explained the National Electric Code (NEC) and the National Electric Safety Code (NESC). Today, we’re focusing on NFPA 70E and how it relates to those codes. There’s even an easy-to-read comparison chart so you can see the differences at a glance. We’ll start with a high-level […]

February 25, 2022

What is the NEC?

There are a lot of safety standard acronyms out there and they can often be confused or misunderstood. In this post, we’re focusing on the National Electric Code (NEC). In future posts, we cover the National Electric Safety Code (NESC) and how the NEC and NESC relate to NFPA 70E. […]

February 18, 2022

BREAKING: What’s the Latest from OSHA and PES on Arc Flash?

Update: new OSHA guidance to close this gap in arc flash protection is pending. See the latest update here. More than 500,000 of Americans working on or near energized industrial electrical equipment today do not have protection from the deadly arc flash hazard, despite safety standards that have been […]

August 20, 2021

Do Zippers and Buttons Factor into Ebt Ratings?

Thanks to everyone who submitted questions to be answered in our FR FAQ series. The question we’re answering today was submitted by Charlie S. from Pennsylvania, who asks: What effect do zippers and buttons have on arc ratings, specifically break open ratings? As you may know, there are two ways […]

August 13, 2021

Should Layered AR / FR Clothing Be Tucked in?

Thanks to everyone who submitted questions to be answered in our FR FAQ series. The question we’re answering today was submitted by Derek S. from Arizona. It is: Do I need to tuck in my arc-rated / flame resistant (AR / FR) clothing while wearing an AR / FR base […]

January 16, 2020

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By Wearer Count:

A Solution for Every Company Size

Industries

Hazards

Technical

Videos

Industry Insights

Customer Support

Watch Tyndale, Ariat & PBR Stars

Visit a Store

Get Started

Careers With Tyndale

Protective Boots

By Wearer Count:

A Solution for Every Company Size

Industries

Hazards

Technical

Videos

Industry Insights

Customer Support

Watch Tyndale, Ariat & PBR Stars

Visit a Store

Get Started

Careers With Tyndale

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