Answer
Aug 05, 2026 - 12:24 PM
According to the NEC (National Electrical Code), flexible metal conduit (FMC) must be installed so that its length and supports comply with Article 348. FMC must be securely fastened within 12 inches of each box or fitting and supported at intervals not exceeding 4.5 feet. Additionally, the total allowable conduit fill and the conductor ampacity must not exceed the limits specified in the code.
