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If a bender can be used to bend 3/4-inch RMC, then it can also be used to bend which size EMT?

1) 1/2-inch EMT
2) 1-inch EMT
3) 1 1/4-inch EMT
4) 2-inch EMT

Answer :

Final answer:

A bender used for 3/4-inch RMC can also bend 1/2-inch EMT because the outside diameters are similar due to EMT's thinner walls. It is crucial to follow the manufacturer's guidelines for bender use. So the correct option is: 1) 1/2-inch EMT

Explanation:

If a bender can be used to bend 3/4-inch Rigid Metal Conduit (RMC), the same bender can usually also be used to bend a smaller size of Electrical Metallic Tubing (EMT). In this case, it can bend 1/2-inch EMT. The reason is that benders are typically designed to work with conduits of different materials that have the same outside diameter. EMT is thinner-walled than RMC, so 1/2-inch EMT actually has an outside diameter that is roughly equivalent to that of 3/4-inch RMC.

It is important to follow the manufacturer's recommendations or reference manuals when determining compatibility between bender sizes and materials to ensure accurate bends and to avoid damaging the bender or conduit. Bender size compatibility is based on the outside diameter of the conduit, not the nominal size indicated by inches.

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