Unverified90% confidenceDecision RuleTime unknown
PVC穿线管暗埋线管选用阻燃等级B1级（氧指数≥32%），明装线槽或吊顶内布线优先选择V0级阻燃（离火自熄≤5秒），普通非阻燃管仅可用于无电缆的排水或通风场景
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Long-term
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Unverified阻燃PVC管认准氧指数≥32的产品（离火自熄），弱电与强电分管敷设，避免信号干扰，强电管与弱电管间距应≥50mm82% similarUnverified阻燃等级看氧指数：普通PVC线槽约UL94 V-2，靠近电源/大功率设备应选V-0级（阻燃PVC或PC材质），电竞主机、服务器场景尤其重要78% similarUnverified带线插排（接线板）选带独立开关和过载保护（带保险丝或空气开关）的型号，额定功率标注需≥2500W/10A；无过载保护的插排多设备满载易发热起火74% similarUnverified阻燃等级看是否达UL94 V-0标准，走电源线/强电优先选标注阻燃PVC，普通装饰性弱电走线对阻燃要求可放宽73% similarUnverifiedengine cabin（发动机舱）内走线不建议用普通PVC绝缘的取电线，PVC耐温约70-90℃，靠近排气/涡轮处需选硅胶或XLPE交联聚乙烯耐高温线（耐150℃以上）73% similar
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