Electrician Red Seal · Question
Which type of transformer would be used to step down high distribution voltages (e.g., 25kV) to lower service voltages (e.g., 600V or 120/208V) for commercial or industrial applications?
A distribution transformer (step-down transformer) is designed to convert high primary distribution voltages to lower secondary voltages suitable for end-user c
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Question: Which type of transformer would be used to step down high distribution voltages (e.g., 25kV) to lower service voltages (e.g., 600V or 120/208V) for commercial or industrial applications?
Answer options:
- Autotransformer
- Current Transformer (CT)
- Potential Transformer (PT) ✅ Distribution Transformer (Step-down)
Correct answer: Distribution Transformer (Step-down)
Explanation: A distribution transformer (step-down transformer) is designed to convert high primary distribution voltages to lower secondary voltages suitable for end-user consumption in commercial, industrial, and residential settings.
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- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
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