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Electrical
Electrician Red Seal Certification
Transformers & Power Distribution
Knowledge Check
Transformers & Power Distribution
Knowledge Check
Knowledge Check
1 / 12
What type of transformer is used at the service entrance of most commercial buildings to step down utility voltage to 120/208V?
A
Delta-delta transformer
B
Autotransformer
C
Wye-delta transformer
D
Delta-wye transformer
Check Answer
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