Unverified85% confidenceCautionTime unknown
室外/埋地布线不要用普通PVC护套线，需选UV抗紫外+防水（含胶体/Flooded）的室外级同轴，否则1-2年护套龟裂进水导致信号衰减
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85%
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Long-term
Relevance
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Unverified户外或潮湿环境不建议单用普通PVC胶带做绝缘防水，长期紫外线和水汽会导致胶层老化脱胶，应选自融胶带或防水专用胶带83% similarUnverified户外长期风吹日晒场景不建议选无UV处理的普通塑料防水盒，1-2年内会脆化开裂丧失防水性，应选抗UV等级材质或带遮阳罩安装80% similarUnverified户外或潮湿环境长期使用不建议单用PVC胶带，应先用自粘防水绝缘胶带（自融胶带）打底再用PVC胶带外缠，防止水分侵入导线79% similarUnverified户外全年悬挂的彩灯若插头暴露在外，应加装防水盒或选一体注塑防水插头，普通防水等级仅覆盖灯串本体而接口进水是最常见失效原因75% similarUnverifiedPP（聚丙烯）绳会浮水且不吸水，适合户外潮湿或涉水场景；但PP耐紫外线差，长期户外暴晒6-12个月会明显脆化断裂，长期户外用途应选加了抗UV的尼龙或涤纶75% similar
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