Electrician Red Seal · Question
A service entrance conductor for a 100 A, 240/120 V single-phase residential service is to be installed using copper conductors. What is the minimum size of the phase conductors required according to CE Code Rule 8-106(1) and Table 2?
For a 100 A residential service, CE Code Rule 8-106(1) permits the use of Table 2 to select conductor size for service entrance conductors. Table 2 indicates th
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Question: A service entrance conductor for a 100 A, 240/120 V single-phase residential service is to be installed using copper conductors. What is the minimum size of the phase conductors required according to CE Code Rule 8-106(1) and Table 2?
Answer options:
- No. 4 AWG
- No. 3 AWG ✅ No. 2 AWG
- No. 1 AWG
Correct answer: No. 2 AWG
Explanation: For a 100 A residential service, CE Code Rule 8-106(1) permits the use of Table 2 to select conductor size for service entrance conductors. Table 2 indicates that No. 2 AWG copper conductors are required for a 100 A service.
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