潮湿区域的接线盒内腔应灌注防水胶，防爆区域部件连接端应填加防爆胶泥。
Water-proof adhesive glue should be filled in the inner cavity of junction boxes at wet areas. Connection ends of the parts in hazardous areas shall be added explosion proof daub.
潮湿区域的接线盒内腔应灌注防水胶，防爆区域部件连接端应填加防爆胶泥。
Water-proof adhesive glue should be filled in the inner cavity of junction boxes at wet areas. Connection ends of the parts in hazardous areas shall be added explosion proof daub.
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