"Apprenticeship" isn't one experience — it varies meaningfully by trade in length, structure, and what it leads to. Here's the honest, side-by-side comparison across every trade this network covers.
| Trade | Typical Length | Leads To |
|---|---|---|
| Electrician | 4–5 years | State journeyman license |
| Plumber | 4–5 years | State journeyman license |
| Lineman | ~3.5–4 years (~7,000 hrs) | Journeyman card, often union |
| HVAC Technician | 6 months–2 years (school) or apprenticeship | EPA 608 + voluntary certs |
| Industrial Maintenance/Millwright | 1 year (mechanic) to 4 years (millwright) | No license — voluntary certs |
| CNC Machinist | NIMS-based apprenticeship, variable length | NIMS credentials, no license |
| Diesel Mechanic | OJT or 14 months–2 years school | ASE certification, no license |
| Solar Installer | 1 month–1 year OJT | NABCEP certification, no license |
| Wind Technician | 7 months–2 years + OJT | GWO safety certification, no license |
| Automation Technician | 1–2 year certificate/AAS | ISA CCST/CAP, no license |
The Pattern Underneath the Table
The trades with the longest apprenticeships — electrical, plumbing, linework — are also the trades where the credential at the end is a state-issued license, not just a voluntary certification (the full license-vs-certification distinction, on the hub). This isn't coincidental: licensed trades demand more documented hours precisely because the license carries real legal authority to work independently and, eventually, to hold others' safety in your hands.
A longer apprenticeship isn't a worse deal — in the licensed trades specifically, it's the mechanism that makes the resulting credential mean something legally, not just professionally.
How to Use This Table to Choose
- Want the fastest realistic path to a paycheck: solar installation's genuinely open OJT-first structure is this network's quickest on-ramp.
- Want the strongest legal protection and licensing-driven pay ceiling: electrical, plumbing, or linework's longer apprenticeships lead to state-recognized licenses that command real, durable wage premiums.
- Want a middle path — faster than licensed trades, more structured than solar: HVAC, diesel, or CNC machining offer genuine flexibility between OJT and formal school routes.
The Factor This Table Doesn't Fully Capture
Length alone doesn't determine pay ceiling — linework's roughly 4-year apprenticeship leads to this entire network's highest median pay ($92,560), while some shorter-path trades sit lower on the pay table despite faster entry (the full pay ranking, on the hub). Speed to entry and eventual pay ceiling are genuinely different questions — weigh both, not just one.
Where to Go Deeper on Any Specific Trade
Every trade named in this table has its own dedicated spoke site within this network, covering that specific occupation's apprenticeship structure, licensing requirements, and pay data in full depth — this comparison is the starting point, not the complete picture for any single trade.