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Arc Length Segment
Interactive Calculator

As an electrical foreman you are planning to install a 4 inches EMT conduit with 90 degree bend. The radius of the 90 degree bend is 50 ft as shown in the drawing below. How many 4 inches diameter of 22.5 degree EMT elbow, galvanizsed steel with 4 inches diameter do you need to order. And how many ten feet length of 4 inches EMT conduit pipe and coupling do you need to order?

Formula Memory Recall : Arc Length Sector, S = θ * Radius ; Where: θ is in radian.

Application in underground conduit installation using 22.5 ° elbow.

feet, Radius = feet, arc length, Sector

Each arc length sector is rounded off. So the answer is 20 feet. If the standard factory pipe length is 10 feet then you need to order 2 pieces to get 20 feet.

ORDER 8 PCS - 10 Ft length x 4 inches diameter EMT conduit and 5 pcs - 22.5 degree EMT elbow with 4 inches diameter and 4 pcs - EMT Coupling

Order 4 inches diameter, 10 feet length, EMT Pipe; Quantity =	Pieces
Order 4 inches diameter, Elbow, 22.5 Degree; Quantity =	Pieces
Order 4 inches diameter, EMT Coupling; Quantity = Change quantity accordingly to new pipe length	Pieces

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