Vinayak Electrical Products Pvt. Ltd. Offers Post Type Indoor Insulators. Vinayak Electrical Products Pvt. Ltd. Manufactures finger type SMC busbar supports. The Post Type Indoor Insulators feature shapes depending upon the location, capacity and rating of busbar and environmental conditions. It is suitable where short time current withstand capacity is not required. This Post Type Indoor Insulators are offered in different types like Conical Insulators, Octagon Centre Band Insulators and Round Insulators.