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Approximately 9-10 18AWG wires can fit in a 2 inch conduit, depending on the type of insulation on the wires and the specific requirements of the installation. It's always advisable to consult the National Electrical Code (NEC) or local regulations for specific guidelines on conduit fill capacity.
You can fit approximately 9 number 12 THHN wires into a half inch conduit. It's important to follow the National Electrical Code rules for conduit fill to ensure proper installation and safety.
The electrical code book provides a chart for conduit fill. The same size conductors have different types and thickness's of insulation which has to be taken into account on wire fill calculations. 1" or 27 mm conduit can carry the following amount of RW90 insulated conductors.25 - #14, 19 - #12, 14 - #10, 7 - #8, 10 - #6, 4 - #4, 3 - #3, 3 - #2,and 1 - #1.
1 inch= 2.54 centimeters
One inch equals one inch.
There are 2.54 centimeters in an inch.