Proper securing and supporting of raceways and cables.

NH 2022-2023 Licensing Concerns and Deficiencies. According to NEC Table 352.30, the maximum spacing between supports on ½” - 1” PVC conduit is (3) feet.
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NH 2022-2023 Licensing Concerns and Deficiencies. According to NEC Table 352.30, the maximum spacing between supports on ½” - 1” PVC conduit is (3) feet.

2022-2023 License and Installation Concerns Bulletin.

The Electricians' Licensing Board in conjunction with the State Electrical Inspectors, municipal electrical & building inspectors & other representatives of the electrical industry in the State of New Hampshire have put together this list of common licensing and installation concerns and problems encountered by the Board's office staff relative to the State's licensing law RSA 319-C and the administrative rules.

Frequently, the securing and supporting of raceways and cables do not meet the requirements found in their respective (.30) code sections or applicable tables. A common example of this is the securing of different sizes of PVC conduit, found in Table 352.30.

The maximum spacing between supports on ½” - 1” PVC conduit is (3) feet; the maximum spacing between supports on 1¼” - 2” PVC conduit is (5) feet; etc.

  Click here to view the NH amendments to the 2020 NEC  

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Proper securing and supporting of raceways and cables.

Below is a Real Question from our Electrical Continuing Education Courses for Electrical License Renewal:

Based on the language in the Electrical Installation Concerns in the State of New Hampshire and the NEC, which of the following is true?

A: The maximum spacing between supports on ½” - 1” PVC conduit is (5) feet.
B: The maximum spacing between supports on ½” - 1” PVC conduit is (3) feet.
C: The maximum spacing between supports on ½” - 1” PVC conduit is (6) feet.
D: The maximum spacing between supports on ½” - 1” PVC conduit is (8) feet.
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