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In 501.10(B)(1)(3), my question deals with the "listed fittings": When installing a single PLTC cable from an instrument in the field, through cable tray, and thence into the terminal box bottom wall, a single cable gland seems to be required by this code

Question asked by John Paschal on Oct 5, 2016

In the 2011 edition of NFPA 70:

In 501.10(B)(1)(3), my question deals with the "listed fittings": When installing a single PLTC cable from an instrument in the field, through cable tray, and thence into the terminal box bottom wall, a single cable gland seems to be required by this code section.  But if one had several PLTC cables coming from field instruments through cable tray, where the cable tray is within 18" of the terminal box enclosure bottom, in the C1D2 environment could  a single 3" long nipple with an insulating bushing on its end be used to receive all of the PLTC cables on their way into the terminal box?  That is, would a separate cable fitting be required for each PLTC cable?

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