Rigid Conduit

What are non-metallic conduits resistant to?

• Moisture and chemical atmosphere

• Fire and ice

• Heat and impact

• Electricity and water

Under what conditions can rigid non-metallic conduit be used according to the Philippine Electrical Code?

• Hazardous locations

• Physically damaged locations

• Support of fixtures

• Concealed in floors, walls, and ceilings

What is the maximum depth for direct earth burial of rigid non-metallic conduit under streets, highways, roads, alleys, driveway, and parking lots?

• 460 mm

• 200 mm

• 600 mm

• 300 mm

In what locations are rigid non-metallic conduits prohibited from being used?

• Wet locations

• Hazardous (Classified) locations

• Locations subject to severe corrosive influences

• Dry and damp locations

What is the insulation temperature limitation for conductors when using rigid non-metallic conduit?

• 25oC

• 100oC

• 50oC

• Exceed those for which the conduit is listed

What is the purpose of using rigid non-metallic conduit in cinder fill?

• To provide insulation

• To support fixtures

• To resist impact and crushing

• To prevent water from entering the conduit

What is the classification of non-metallic conduits based on?

• Size

• Color

• Shape

• Materials they are made of

What is the maximum depth for direct earth burial of rigid non-metallic conduit under driveways and parking lots of single and two family dwelling units?

• 300 mm

• 200 mm

• 600 mm

• 460 mm

In what locations are rigid non-metallic conduits allowed to be used?

• Hazardous (Classified) locations

• Dry and damp locations

• Support of fixtures

• Physically damaged locations

What is the purpose of using rigid non-metallic conduit in locations subject to severe corrosive influences?

• To prevent water from entering the conduit

• To resist impact and crushing

• To support fixtures

• To provide insulation