Paper 2 - Electrical Uses PAPER 2 Electrical Uses UNIT 3. Estimation of Materials & Costing Estimation of Materials & Costing for Electrical Installations Principle/Working MechanismMaterial estimation involves calculating quantities of wires, conduits, switches and other components needed for an electrical installation. Costing determines the total project expense based on:Material costsLabor chargesOverhead expensesProfit margin Types/Classifications...
