How to Teach the Crew to Recognize a Suspect Part
Why this matters
The person holding the part when it can still be stopped is almost never the owner. It is a tech at a supply counter at 7 a.m., a helper unpacking a delivery, or someone pulling a breaker out of a truck bin in a customer's basement. If that person does not know what to look at, or does not feel allowed to say "this does not look right", every purchasing rule the shop writes stops at the office door. This card is a 45-minute session that puts the skill and the permission in the same room, and then keeps it alive with five minutes a month.
The full inspection method for electrical parts is owned elsewhere; see related: How to Spot a Counterfeit Electrical Component. This session teaches the crew enough of it to stop and call, which is the only decision a tech has to make.
Step 1: Build a tray of known-good and suspect pairs
Collect four to six pairs. Each pair is one part type the crew handles weekly, with one known-good unit from the shop's authorized channel and one suspect unit beside it: a breaker, a GFCI receptacle, a respirator, a run capacitor, a gas appliance connector, a refrigerant cylinder photo set. Suspect units come from the shop's quarantine bin with the quarantine owner's permission, from a manufacturer's or trade association's counterfeit training samples, or as photo sets where you have no physical sample.
Why pairs: almost nobody can spot a counterfeit alone. Nearly everyone can spot a difference when the genuine one is in the other hand. The session teaches comparison, because comparison is what a tech can actually do at a counter.
The tray's own hazards: nothing on it is ever energized or pressurized, no sealed device is opened for the demonstration (it destroys quarantine evidence and can release a spring or a charged capacitor), and sample respirators are handled, not worn. Quarantined samples keep their tags and go back in the bin after the session, counted.
What breaks if skipped: a talk about counterfeits with nothing to touch turns into stories, and stories do not transfer to the next box.
Step 2: Teach the five checks on the known-good unit first
Hand round the genuine unit of the first pair and walk the five checks on it, so the crew learns what right looks like before they see wrong:
- The mark. A listing or approval mark printed on the item itself, not only the box, and its number looked up for this product. A breaker's lab file number goes into the lab's online certification directory; a respirator's approval number goes into NIOSH's Certified Equipment List. A number that exists but belongs to a different product is what a copied mark looks like.
- The match. Every rating on the item matches what the job calls for: amps, volts, microfarads, pressure, filter class.
- The heft and finish. Weight and build against a known-good unit of the same part. A kitchen or postal scale in the shop settles arguments.
- The paper. Packaging print quality, instructions in the box, and the lot or date code where that maker always puts one.
- The path. Where it came from and what it cost. An unfamiliar seller or a price far under the authorized channel's is a check failure by itself.
Why the genuine one first: a crew shown fakes first learns a list of defects, and the next counterfeiter fixes those defects. A crew that knows the genuine part learns to notice any difference.
What breaks if skipped: techs pass a part because it has a mark, when the point of check 1 is that the mark has to belong to that part.
Step 3: Run a blind sort
Mix the tray, number each unit, and have each person mark every unit "genuine" or "suspect" on a slip, working alone for 15 minutes. Then go through the answers together, pair by pair, and have whoever got each one right say which check caught it.
Why blind and individual: a group discussion lets the most confident person answer for everyone. The slips show you which checks each tech actually uses, and which suspect parts beat the whole crew, which tells you where the next session goes.
What breaks if skipped: you leave believing the crew learned something because they nodded.
Step 4: State the quarantine rule once, plainly
The rule fits in three sentences, and it should be said in exactly these words or your shop's equivalent: if a part fails any of the five checks, you do not install it. You tag it, bag it and keep it separate from good stock. You call the office before you leave the counter or the truck. Then show the crew the quarantine tags and where the bin is; see related: The Suspect Counterfeit Quarantine SOP.
Say the other half out loud too: nobody gets in trouble for a false alarm. A tech who flags a genuine part costs the shop a phone call. A tech who passes a counterfeit breaker can cost a customer a house.
What breaks if skipped: techs who spot something wrong install it anyway because the job is waiting and nobody told them they were allowed to stop.
Step 5: Name who to call, and practice the counter conversation
Write on the whiteboard who to call (the quarantine owner first, the owner if unreachable within 30 minutes) and put the number in every tech's phone during the session. Then role-play the hardest version: the counter person telling the tech it is fine. Two people read it, then swap:
TECH: This is the 20 amp single pole I ordered?
The box is a different color than usual.
COUNTER: Same part. New packaging, different warehouse.
TECH: The date code's not where it usually is,
and it feels light next to the one I pulled.
COUNTER: They change that stuff all the time.
TECH: Could be. Can you tell me which distributor
this lot came through?
COUNTER: I'd have to ask purchasing.
TECH: OK. I'll hold off on it for now and call my
office. Can you put one aside with the lot
number so we can check it?
Why practice it: the words that matter are "I'll hold off and call my office". They are polite, they do not accuse the counter of anything, and they end the pressure. A tech who has said them once in a training room can say them at a real counter.
What breaks if skipped: the tech's own read of the part loses to a confident counter person and a waiting customer.
Step 6: Keep it alive with a five-minute monthly pair
Once a month at the morning huddle, pass round one pair and ask one question: which check catches this? Rotate the part type, and use any real suspect the shop quarantined that month first, because a real one from your own stock teaches more than any sample.
What breaks if skipped: the skill fades in about a season, and the new hire who joined after the session never got it at all.
Worked example: one 45-minute session
A shop runs the session for 7 techs with 8 units on the tray: 4 pairs, so 4 genuine and 4 suspect. Time: 10 minutes on the five checks, 15 on the blind sort, 10 on going through the answers, 5 on the quarantine rule and who to call, 5 on the counter role-play, 45 in all.
The slips: 7 techs times 8 units is 56 calls. 47 were right and 9 were wrong, so 47 of 56, about 84 percent, were correct.
The 9 wrong calls split two ways, and the split is the finding:
- 6 suspects called genuine. A breaker whose copied lab file number was real fooled 4 of the 7, and a respirator with fully copied markings fooled 2. 4 plus 2 is 6. Every tech who missed the breaker said the mark was there; none had asked whether the number belonged to that breaker. That is check 1 taught as presence instead of match, and it is exactly what a careful counterfeit is built to beat.
- 3 genuine units called suspect. A genuine capacitor in the maker's new packaging fooled 2, and a genuine GFCI of a newer design, lighter than the older one in the shop's memory, fooled 1. 2 plus 1 is 3.
The two kinds of error do not cost the same. The 3 false flags would each have cost a phone call. The 6 false passes are the ones that end up in a panel. So the follow-up the next month was one pair, the breaker again, with the office manager running the directory lookup live on a phone so every tech saw a real number come back belonging to a different product.
What changes the answer. If the false passes had been spread evenly across all four suspects rather than concentrated in two, the problem would be the crew's attention, not one misunderstood check, and the fix would be the monthly pair run more often rather than a single targeted repeat.
How to know it stuck
Three signals over the following quarter:
- The quarantine bin gets used. One or two tags a quarter from a crew that never tagged anything before is the session working. Zero tags usually means nobody is looking, not that nothing is wrong.
- False flags come in. A tech calling the office about a part that turns out to be genuine is proof the permission landed. Thank them in front of the crew.
- A repeat sort scores better on the specific miss. Rerun the breaker pair three months later as a blind check; a shop that taught check 1 well sees most of the 4 who missed it get it right.
References
- NIOSH Certified Equipment List and NIOSH guidance on counterfeit respirators
- Nationally recognized testing laboratory online certification directories (listing-mark verification)
- See related: How to Spot a Counterfeit Electrical Component
- See related: The Suspect Counterfeit Quarantine SOP
- See related: Running an Effective Team Huddle