Liquid Tight Metal Flexible Conduit-cULus series is certified with the standard UL360 & CSA C22.2 No.56 for full trade size and consist of metal flexible conduit made by continuous wound galvanized steel strip and PVC jacket featuring with water proof and fire retardant. All materials are compliant with RoHS standard and the galvanized steel strip is also corrosion resistant. Trade sizes 3/8” to 1-1/4” are made with a bonding strip and 1-1/2” to 4” shall be equipped with additional grounding device to meet with the regulation of electrical code. The superior mechanical performance of flexible metal conduit and reliable physical & chemical characteristics of plastic jacket answer to the CSA C22.2 No.56 standard. This series of liquid tight metal flexible conduit is especially applicable for the occasions in lower temperature. It is also the best solution for closed spaces, indoor or outdoor environments with severe conditions. The best efficiency of water proof for whole wiring system is available to achieve by adopting the liquid tight fitting series S50 to S53.