Electric: Duct Systems
Underground ducts are tubes made of concrete or plastic that connect with vaults housing electrical equipment, such as transformers (Figure 80). Each conduit will hold a single cable or a single circuit (Figure 81). A conduit system allows cables to be replaced without excavation.
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Underground ducts are tubes made of concrete or plastic that connect with vaults housing electrical equipment, such as transformers (Figure 80). Each conduit will hold a single cable or a single circuit (Figure 81). A conduit system allows cables to be replaced without excavation.
