PVC (Polyvinyl chloride) is widely used in electrical cable construction for insulation, bedding and sheathing. Here this post gives some information about the advantages and disadvantages of the conduit wiring system to better understand this topic. XLPE cables are lighter in weight and smaller bend radius hence lower installation cost. Despite the many benefits of PVC pipes, this type of piping has several disadvantages associated with it. XLPE cable can withstand higher temperature (90°C) compared to PVC (70°C). It is a thermoplastic resin, which means it can be softened by heating, and is produced by a process known as polymerization. Disadvantages of PVC insulation cable Date 2018-10-10 1) because there are a lot of chlorine, burning will emit a lot of smoke would be suffocating, affect the visibility and produce some carcinogenic substances and HCl gas, on the environment causing serious harm. Just because of cable are enclosed in a tube the circuit can be rewired ore altered as required and additional points added reasonably easily. 1; 2; Next. XLPE cables can have a higher over-load capacity. Limited thermal capability, though additives can stabilize PVC at higher temperatures It has lower dielectric and constant power factor which can result in saving of power. Good dialectic strength. 1 of 2 Go to page. Does not conduct electricity, making it an excellent material for electrical applications, e.g. insulation sheathing for cables, especially when combined with its fire-retardant properties; PVC Disadvantages. Power cables are defined by voltage grade and nominal cross-sectional area. Nov 13, 2011 #1 Welcome to ElectriciansForums.net - The American Electrical Advice Forum 1) because there are a lot of chlorine, burning will emit a lot of smoke would be suffocating, affect the visibility and produce some carcinogenic substances and HCl gas, on the environment causing serious harm. It was the 1950s when PVC started to replace rubber insulated and sheathed cables in general household wiring due to its ease of processing. The process of implementing a PVC coating on cables. Over the many years of use of PVC, cable manufacturers have identified most compatibility problems and resolved them, however, there are always new building products coming onto the market. Discuss s y cable advantages and disadvantages in the Commercial Electrical Advice area at ElectriciansForums.net. Disadvantages of PVC Pipes: PVC (polyvinyl chloride) pipe is a type of piping often used in plumbing applications. Mainly above 6 square mm cables are called power cables but it depends upon the use of a cable. Temperature. PVC is a surprisingly useful material, and is used in a wide variety of different manners in a number of diverse industries. 1. PVC pipes are self-insulating and capable of handling very high-temperature water. The price is relatively high, which is 2-5 times higher than that of ordinary flame-retardant cable.This is the same cross-section, but the mineral insulated cable has strong overload capability, so if it is the same current carrying capacity, the cross-section is reduced and the cost is reduced. S. stumas-Reaction score 1. Next Last. PVC stands for polyvinyl chloride. For PVC power cables we use IS:1554 and for XLPE power cables we use IS:7098 and for Rubber-based power cables, we use IS:9968 and other relevant specifications. Disadvantages of PVC insulation cable. XLPE cable has high short circuit rating. Go. 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