Change orders are the single biggest source of revenue leakage in electrical work. Not because you bid poorly — because you're absorbing costs that should be passed on to the customer every single time the scope shifts mid-job.
The fix isn't complicated. But first you have to see where the money's going.
On a service call, the GC says, \"While you're here, can you add a subpanel circuit for the new equipment?\" You say sure. You remember it. You do the work. Back at the shop, you're trying to recall the exact scope so you can add it to the invoice — but you don't have the conduit runs documented, the footage estimate, or the breaker cost. You either underbill it or skip it entirely.
The problem isn't that you forgot. It's that you treated a verbal scope change as a verbal commitment when it should have been a written change order before you touched a wire.
Real world:
\"We had a GC ask us to add four dedicated circuits to a tenant improvement job mid-install. I did the work, remembered it in my head, and then at the end of the job I couldn't remember if I'd run 20 feet of conduit or 35. Ended up billing 20 feet when it was probably closer to 45. I ate about $300 on that one change.\"
When the scope changes and the permit needs to be amended, you're the one who absorbs it. The $85 re-inspection fee. The trip back to the county office. The hour of your time dealing with the paperwork. Nobody explicitly asked you to eat it — but you did, because it felt too awkward to add a permit amendment fee to the invoice after the fact.
But that's $150-200 you just gave away on a $4,000 job. Do that on five jobs a month and you've quietly donated $1,000/month back to your customers. Permit amendments are direct, itemized costs. They belong on the change order, line for line.
Real world:
\"The GC moved the panel location after I'd already pulled the permit. I re-ran the conduit, re-labeled everything, and then paid $120 out of pocket for the permit amendment. I never charged the customer for it. My helper asked me why not and I honestly didn't have a good answer.\"
When you quote a change order, you're probably using one blended labor rate for everyone on the crew. But if your apprentice is doing the conduit rough-in while your journeyman supervises, those are two different cost structures. Blending works fine for the original scope — but for change orders, it gets murky.
The GC wants to know exactly what three additional circuits cost. If you're working with a blended rate you haven't updated since last year, you can't give an accurate answer — and if you underbid because your rate didn't account for the skill mix or today's material costs, you're absorbing the difference out of pocket.
Real world:
\"I was billing change order work at $75/hr blended. But my apprentice is $38 and my journeyman is $85. On a change where it was 70% apprentice work, I was actually at about $52 true cost. I thought I had $23 margin — I had $2. Didn't realize it until I ran the numbers a year later.\"
The GC changes the spec mid-job. You go back to the shop to get different wire and conduit. You come back. You finish the run. You bill for the second trip, right?
Maybe. But a lot of electricians absorb the return trip either because they forgot to charge for it, or because it felt awkward adding a trip charge after the fact. You did the work — you should bill for it.
One unspoken return trip per week, times 50 weeks, times $150/trip average: that's $7,500 a year. That's not a rounding error.
Real world:
\"I probably do 3-4 return trips a month on change order work and I'm pretty sure I bill for maybe one of them. The rest I either forget or I don't want to be 'that guy' sending an invoice for a $200 trip charge. It's embarrassing in hindsight.\"
On-site, the GC asks, \"How much to add three more circuits to the subpanel?\" And you say, \"Probably around $800.\" You do the work. You bill $800. But the actual cost was $1,200 once you factored in the conduit, wire, fittings, and labor for a non-standard run. You ate $400 because you gave a verbal estimate before knowing the full scope.
Verbal ballparks are fine for initial conversations. But anything that's going to be a change order needs to be written and agreed to before work starts. This protects you on both sides: it ensures the customer agrees to the price, and it ensures you're not underbidding because you didn't do the math.
Real world:
\"I'd say 'maybe $600' for a change and then when I got back I'd run the numbers and it was $950. So I'd bill $750 and lose $200 rather than go back and renegotiate. Looking back, I was training the GC to expect that I'd always come in under my verbal estimate.\"
The Pattern Is the Same Every Time
None of these leaks require a business overhaul. They're not complex — they're just invisible until you look for them. You absorbed a permit fee here, skipped a return trip charge there, gave a verbal estimate that came in under cost, and never wrote down the scope of work that changed mid-job.
None of it feels like a big deal in the moment. It adds up to real money over the course of a year. The electricians making the most on change orders aren't the ones with the highest markup — they're the ones who stopped leaving change order money on the table.
Stop Losing Money on Every Change Order
Wrenchwork makes it fast to document scope changes, price them accurately, and send a written change order before you do the work — from your phone, in under 60 seconds.
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