Electrical Installation and Maintenance Works Subject Combination
Welcome to NBC / NTC Examination structure (Subject Combination) for Electrical Installation and Maintenance Works with trade code 040. This subject is listed under engineering.
General Education Subjects
| code | subjects |
|---|---|
| 001 | English Language |
| 002 | Mathematics |
| 004 | Physics |
| 005 | Chemistry |
Trade Related Subjects
| code | subjects |
|---|---|
| 193 | Building/Engineering Drawing |
| 194 | Basic Electricity |
Trade Group Subjects
| code | subjects |
|---|---|
| 041 | Electrical Installation and Maintenance Works |
Elective Subjects
| code | subjects |
|---|---|
| 003 | Economics |
| 006 | Biology |
| 007 | Literature-in-English |
| 008 | Information & Communications Technology (ICT) |
| 009 | Civic Education |
| 195 | Agricultural Science |
| 196 | Geography |
| 197 | Christian Religious Studies |
| 198 | Islamic Studies |
| 199 | Government |
| 451 | Further Mathematics |
| 452 | Animal Science |
How the exam is structured
Electrical Installation and Maintenance Works (trade code 040) is an NTC engineering trade. Your sitting covers the general education subjects listed above — including English and Mathematics — alongside the trade papers. The trade assessment pairs written theory (circuit principles, regulations, safety) with a practical examination where you wire, install and fault-find on real boards. The practical carries real weight in your final grade, so workshop time matters as much as note-reading.
Where this trade leads
Electricians are in steady demand everywhere in Nigeria, and the solar boom has widened the market further:
- Immediate work: domestic and industrial wiring, building-site electrical work, generator and appliance hookups.
- Growth areas: solar panel and inverter installation, CCTV and security systems — installers with certification are routinely booked out.
- Formal employment: maintenance departments in factories and estates, distribution companies (DisCos), and government technical roles.
- Further study: ND Electrical/Electronic Engineering at polytechnics, or university admission using the NTC as your O’level — see the NBC vs NTC guide.
Common questions
Can I use this result for university? Yes. NABTEB’s NTC is equivalent to WAEC/NECO for admission, provided you have the credit passes your course requires — details in the grading guide.
Is the practical exam hard? It is demanding but predictable: safe isolation, correct cable sizing, neat terminations and working circuits. Candidates who practised installations pass it comfortably.
When can I write it? May/June in school, or Nov/Dec as an external candidate — see registration fees and deadlines.