What is the minimum number of straps required to support conduit between two enclosures spaced 123 feet apart?

To determine the minimum number of straps required to support conduit between two enclosures spaced 123 feet apart, it's essential to reference the National Electrical Code (NEC) guidelines, which govern the proper installation of conduit.

According to NEC requirements, conduit must be supported at intervals not exceeding 10 feet. Therefore, to calculate the number of support straps needed for a distance of 123 feet, you divide the total distance by the maximum unsupported length:

1. Start with the total length: 123 feet.

2. Divide by the maximum spacing: 123 feet ÷ 10 feet = 12.3.

Since conduit supports must be whole numbers, we round up to the nearest whole number, which gives us 13. However, since one strap is typically used at the starting point or at the first enclosure and another at the opposite end, the calculation adjusts to require one less strap if you are only calculating intermediate supports.

Thus, in this scenario, 12 straps will support the conduit with one strap at each end covering the total length. The minimum number of straps required, considering the start and end points, is 12. However, including that first and last strap correctly aligns with the safety and code requirements, and the count brings it