1 After completion of temperature rise test for top oil of transformer the current is reduced to its rated value for transformer and is maintained for one hour. 2  After one hour the supply is switch off and short circuit and supply connection to the HV side and short circuit connection to the LV side are opened.
The state of Texas is offering one tax-free weekend events during 2017. This yearâs Sales Tax Holiday is Aug. 11 - 13. As in previous years, the law exempts most clothing, footwear, school supplies and backpacks priced less than $100 from sales and use taxes, which could save shoppers about $8 on every $100 they spend.
Tax-Free Weekend 2016: Dates And List Of States Offering No Sales Tax On Back-To-School Items. Teacher Liza Gleason shops for back to school supplies at a Target store August 13, 2008 in Daly City, California. It may still feel like summer outside, but the back-to-school sales are coming. First up are the tax-free week and weekend events.