Services, Grounding & Bonding第 51 / 120 题
What is the maximum number of service disconnecting means permitted for a single set of service-entrance conductors?
a.Eight
b.Two
c.Four
d.Six
解析
Up to six service disconnects are permitted, but current code requires them to be in separate enclosures or in a listed assembly with individual disconnects, each marked as a service disconnect. Two and four are below the ceiling but are not the code maximum, and eight exceeds the limit.
法律依据: 2023 NEC §230.71免费刷完整 120 道题库 — 无需注册。
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