it is hereby expressly understood and agreed that in consideration of the payment of an additional premium as arranged, this policy also covers loss or damage to any generator, motor, transformer , and/or any other electrical machine and/or electrical installation except household appliances insured under item …….. of the schedule of the policy caused by short circuit or self heating subject to a deductible of 5% of the sum insured with a maximum of Rp. 50,000,000.00 any one accident. However, this cover is inapplicable if the risk is covered under “Machinery Breakdown” or any other special policy.