雨水与冷凝
Wind-driven rain at 80–100 km/h, pressure washing and daily thermal breathing (55°C day to 8°C night) pump humid air into non-sealed joints. Water wicks along stranded wire into the pole base and driver cavity — tripped breakers, flicker, shorted drivers.
YXY 答复: IP68 径向密封加连接螺母 O 型圈,可选灌封注塑 — 插合状态 1.5 m / 24 h 浸水,可承受 IPX9K 高压冲洗。



