EEC 237 Electrical Design and Drafting Exam 2025
About this paper
First Semester examination (February 2025, session 2024/2025) in Electrical Design and Drafting (EEC 237), College of Technology, University of Buea. It covers electric shock and approach and protection boundaries, neutral earthing and three-phase four-wire supply, load distribution and conductor identification, developed and wiring diagrams, TT, IT and TN earthing systems, lighting design for a hall and street-lighting pole spacing.
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University of Buea
College of Technology - COT
Electrical / Renewable - EET/REN
Electrical Design and Drafting
Exam · First Semester · Level 200
From this paper
- 1.
ELECTRICAL SAFETY 1.1. Define electric shock and discuss on the methods of protection 1.2. Discuss on the need for “approach and protection boundaries”
- 2.
ELECTRICAL INSTALLATION 2.1. Explain why the neutral conductor of a 3-phase 4-wire system is earthed at the substation. In a 380/220V distribution system, explain how single-phase and three-phase loads are supplied, and what are their voltages? 2.2. State the need for load distribution in an electrical installation. 2.3. State 4 methods used in identifying conductors and cables in an installation.
At a glance
- Course code
- EEC237 (EEC 237)
- Type
- Exam
- Year
- 2025
- Level
- Level 200
- Semester
- First Semester
- Proposed solution
- Included
Where it's from
University
University of BueaFaculty
College of Technology - COTDepartment
Electrical / Renewable - EET/REN
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