GB 50054-2011 第2.0.9条
| | **Grounding**: Hotel buildings should adopt a TN-S system (three-phase five-wire system), with a grounding resistance ≤4Ω (per the terminology associated with GB 50054-2011 Clause 5.2.1). |
| | **Grounding**: Hotel buildings should adopt a TN-S system (three-phase five-wire system), with a grounding resistance ≤4Ω (per the terminology associated with GB 50054-2011 Clause 5.2.1). |
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