7/.029″ is commonly used in house, offices and building for room main and UPS supply wiring. You may not compromise on the quality this cable as performance of all your equipment, devices and appliances depends on 7/.029″. 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.