Unverified85% confidenceDecision RuleTime unknown
选购需先确认插座类型：国标插座为二孔+三孔混合五孔面板，安全盖需分别匹配两孔间距（两孔中心距为12.5-19mm）与三孔布局，购买时优先选一包内含二孔盖+三孔盖组合装，避免只买一种导致部分插孔无法覆盖
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85%
Confidence
Long-term
Relevance
-
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Unverified国标插座保护盖优先选与新国标五孔插座（GB 2099）匹配的两孔+三孔一体式设计，单纯两孔盖无法覆盖三孔部分，存在防护死角88% similarUnverified插塞式保护盖尺寸需匹配插孔间距，国标斜三孔间距与两孔间距不同，通用型往往两不靠；散装买前确认注明'国标GB'字样86% similarUnverified国标插座应选适配二三极五孔（含10A/16A混合孔）的盖片，购买前需确认自家插孔是新国标斜五孔还是老式扁三孔，插脚间距不匹配会导致插不进或松动脱落86% similarUnverified两孔与三孔混合插座场景应选购组合装（含两孔挡片+三孔挡片），单一规格无法覆盖国标86型插座上常见的两孔+三孔混排面板85% similarUnverified国标插孔间距为固定标准（五孔插座两孔+三孔按GB1002规定排布），因此单/双/多联的区分主要取决于面板联数而非孔距，选购时按'几个86型面板拼在一起'来判断联数83% similar
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