Chicago is famous for two things: deep-dish pizza and Conduit. Unlike the rest of the country where you can pull flexible Romex wire through walls, the Chicago Electrical Code requires almost all wiring to be encased in metal conduit (EMT). This makes the Supervising Electrician License one of the most technically demanding—and highest paying—credentials in the US.
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💡 Key Takeaways for Illinois Electricians:
- No State License: You must get licensed in the specific city you work in (e.g., Chicago, Naperville).
- Chicago License: Called "Supervising Electrician".
- Code Difference: Chicago has its own code. Flexible cable (Romex) is banned in most residential buildings.
- Reciprocity: A Chicago license is respected and often accepted by other Illinois municipalities.
1. State vs. City Rules
Illinois does NOT issue a state-wide license for general electrical work.
The Rule: If you are working in Chicago, you need a Chicago license. If you go to a suburb like Aurora, you might need an Aurora license. However, getting the Chicago Supervising Electrician license is the smartest move because most suburbs will accept it via reciprocity.
2. The "No Romex" Rule (Must Know)
If you learned electrical work in another state, you might be used to NM Cable (Romex). In Chicago, that is illegal for almost all uses.
You must be an expert in pipe bending (EMT/Rigid). The practical aspect of the job is physically harder, which keeps wages high and limits competition from unlicensed handy-workers.
3. Step-by-Step: How to Get Licensed in Chicago
Step 1: Verify 2 Years of Experience
To sit for the exam, you must prove you have worked for at least 2 years under a licensed Supervising Electrician.
Note: While 2 years is the minimum for the exam, most workers go through a 5-year apprenticeship with the union (IBEW Local 134) to actually learn the trade.
Step 2: Apply for the Exam
Applications are processed by Continental Testing Services. You must be at least 21 years old. The application fee is roughly $70.
Step 3: Pass the Supervising Electrician Exam
The exam is 4 hours long and open-book. It covers:
• Chicago Electrical Code (Title 14E).
• Theory (Ohm's Law, Voltage Drop).
• Motors and Transformers.
• Conduit fill calculations.
*You MUST study the Chicago-specific code amendments
💰 Electrician Salary Potential in Chicago
*IBEW Local 134 members have one of the strongest pension plans in the nation.
4. Cost Breakdown
- Exam Fee: $70.
- Initial License Fee: $150 (2 Years).
- Study Material: $150 (Chicago Electrical Code Book).
- Union Dues: Varies (if joining IBEW).
📍 Explore More Illinois Guides
Chicago's strict codes affect all trades. Check out:
-
🏗️ General Contractor Guide Chicago
Coordinating with electricians on conduit runs. -
🚰 Plumbing License Guide Chicago
Bonding lead and copper water pipes. -
❄️ HVAC License Guide Illinois
Wiring for furnaces and AC units.