7 Questions I Wished I Asked Before Buying First Aid Kits, Bump Caps & Fire Extinguishers

Why I Stopped Guessing and Started Asking

For about four years, I handled safety supply orders for a mid-sized industrial facility. Honestly? I made every mistake in the book. The worst one—a $3,200 order for the wrong fire extinguisher refills—finally forced me to start a checklist. This FAQ is basically that checklist, written down so you don't have to learn the hard way.

If you've ever stared at a product spec sheet and thought, "I'll figure it out later," this is for you. Take it from someone who had to explain to their boss why we had 50 cases of the wrong ammonia inhalants.

1. What exactly is a "First Aid Only" emergency kit?

It's a pre-assembled kit that meets basic OSHA requirements for workplace first aid. The term "First Aid Only" is actually a brand (First Aid Only, part of the Acme United Corporation), but in B2B ordering, people use it interchangeably with "a standard first aid cabinet." I learned this the hard way when I ordered "a First Aid Only kit" and got a specific model I hadn't checked. Oh, and the wall-mount version is different from the portable bag—that detail cost me a 2-day delay.

The key spec to check is the ANSI Class: A, B, or C. Class A is for basic cuts and burns. Class B is for high-risk environments (like a workshop). Class C is a refill pack. I don't have hard data on how many facilities order the wrong class, but from my experience it's easily 1 in 4 first orders.

2. Are First Aid Only ammonia inhalants ampoules safe to use?

Yes, but—and this is important—only for fainting or suspected fainting. They're single-use glass ampoules containing ammonium carbonate. You break them, the person inhales, and the strong ammonia smell triggers an inhalation reflex. They're not for headaches or general 'smelling salts' use in a workplace setting.

Here's what I got wrong: I assumed all ampoules were the same. They're not. First Aid Only sells two versions: the standard 0.3 ml ampoule (for general first aid kits) and a smaller 0.2 ml version for personal kits. I ordered the 0.2 ml for a full-wall cabinet. (Should mention: my boss caught it after I'd already unpacked 200 units.)

3. What IS a bump cap? Is it the same as a hard hat?

No—and this is a common mix-up. A bump cap is for low-impact hazards: walking into overhead pipes, hitting your head on cabinet doors, or working in confined spaces with low ceilings. It has a lightweight plastic shell and no suspension system. A hard hat (Type I or Type II) is for falling objects and electrical hazards. They are not interchangeable.

The trigger event for me was a safety audit in Q3 2023 where the inspector flagged our maintenance crew for wearing bump caps in a warehouse zone with overhead storage. The fine was $250 per person. I didn't know the difference until that day. Now I check every single order: is this for impact protection or head bump protection?

Quick rule of thumb:

• Bump cap: ANSI/ISEA Z89.1 Type I (light impact, non-suspension)
• Hard hat: ANSI/ISEA Z89.1 Type I or II (heavy impact, suspension)

4. Where do I refill a fire extinguisher? Can I DIY?

You cannot refill a fire extinguisher yourself—not legally, and not safely. The process requires specialized equipment and training. I found this out after a vendor failure in March 2023. Our local service company gave us a 4-week lead time on refilling 12 extinguishers. I tried to DIY it with a YouTube video. The result: a damaged valve and a $200 repair bill.

Where to go:

• Local fire equipment service companies: Search "fire extinguisher refill near me." They're usually certified by the manufacturer (e.g., Amerex, Badger, Kidde).
• Safety supply distributors: Some companies (like the one I work for) offer refill services or can connect you with a certified vendor.
• Fire department: Some departments hold annual events where you can bring extinguishers for inspection and refill at cost.

Per NFPA 10, extinguishers need to be inspected monthly (you can do this visual check) and professionally serviced every 1 to 6 years depending on type. I should add: don't wait until your extinguisher is discharged to think about refills. The cost of a recharged extinguisher is usually less than buying a new one.

5. What are "fuzzy handcuffs" in a safety catalog?

I get this question about once a month from buyers who search for "fuzzy handcuffs" on our site. It's a niche product, honestly not a core safety item. Fuzzy handcuffs are usually novelty items (like party favors or—let's be real—adult toys). They have no functional safety application. If you're searching for them on a B2B safety site, you're probably looking for restraint cuffs (used in correctional or security contexts) or zip ties (for bundling).

The search term often pops up because some vendors list non-workplace products in their catalog. We don't. So if you need actual restraint gear for work, look for "restraint cuffs" or "handcuffs" by manufacturers like Peerless. But fuzzy? Not in our world.

6. How many ammonia inhalants should I stock per first aid kit?

There's no OSHA standard that says "you need X inhalants per Y people." The general recommendation from the American Red Cross and most first aid kit standards (ANSI Z308.1) is: 2 to 5 ampoules per kit, depending on the workplace size and risk. For a standard office kit with 10-25 people, 2 ampoules is fine. For a warehouse or construction site with 50+ workers, 5 is better.

I used to order in bulk—50 ampoules per kit—because I thought "more is better." That was a mistake. Ammonia inhalants have a shelf life (usually 2-3 years from manufacture date). I once found a case of expired ampoules in a first aid storage room. Straight to the trash. That's when I learned: match quantity to consumption rate, not fear. If you use 1 ampoule per year in an office, don't overstock.

7. Can I use a bump cap for climbing or ladder work?

No. I debated even including this question, but I've seen it happen. A bump cap offers zero protection against a fall. The shell is designed for low-force impacts—think bumping into a shelf, not dropping a 5-pound tool from 10 feet. For ladder work, you need a Type I hard hat (ANSI Z89.1) that provides top-impact protection. I learned this from a near-miss incident report at our facility. A worker ascended a ladder wearing a bump cap, dropped a wrench, and the cap cracked. He was fine, but the report stated: "bump cap not rated for falling objects."

Bottom line:

• Ladder work: Hard hat only
• Working under overhead storage: Hard hat only
• Walking in a low-ceiling storage area: Bump cap is fine

That's the list. I've probably missed something—every order is a learning experience. If you're wondering about a specific product or standard, drop your question in the comments below. I'll add it to the next version of this guide.