This product is suitable for linking the household electrical appliance,small electric tools,Instrument and power lighting devices with the rated voltage equal or less than 450/750V AC. 4 sqmm (7/36) is commonly used in house, offices and building for Air condition or load upto 28 amperes. You may not compromise on the quality this cable as performance of all your equipment, devices and appliances depends on 4 sqmm (7/36). Similarly its like a chain reaction you must have premium copper cables in your whole structure to get an uninterruptible current flow without any loss of voltage.Stable voltage provide you the best ampere rating which reduces your electricity bill.