1. CEE News Magazine Archive

What's Wrong Here? February Winner

April 1, 2001
The following violations of the 1999 National Electrical Code were noted at the equipment serving the underground feeder: The underground feeder is in a wet location and, in accordance with the definition in Article 100, use of THHN insulation is not permitted because it is only listed for use in dry or damp locations. See Table 310-13. Section 300-4(f) requires insulated fittings to be used where

The following violations of the 1999 National Electrical Code were noted at the equipment serving the underground feeder:

  1. The underground feeder is in a wet location and, in accordance with the definition in Article 100, use of THHN insulation is not permitted because it is only listed for use in dry or damp locations. See Table 310-13.

  2. Section 300-4(f) requires insulated fittings to be used where raceway with wire larger than No. 4 AWG enters a box, cabinet or raceway.

  3. The equipment-grounding conductor is not identified. Section 250-119(a).

  4. There is no bonding jumper on the underground metallic feeder conduit. Section 250-102(d).

Voice your opinion!

To join the conversation, and become an exclusive member of EC&M, create an account today!

Continue Reading

Sponsored Recommendations

How to Calculate Labor Costs

Most important to accurately estimating labor costs is knowing the approximate hours required for project completion. Learn how to calculate electrical labor cost.

8 Types of Electrical Conduit and Their Uses

Electrical conduit is a tube or raceway used to house and protect electrical wires within a building or structure. From data centers to underground subways to ports and bridges...

Considerations for Direct Burial Conduit

Installation type plays a key role in the type of conduit selected for electrical systems in industrial construction projects. Above ground, below ground, direct buried, encased...

Champion Strut Catalog

Champion Fiberglass is the most advanced manufacturing facility of fiberglass conduit, fiberglass bridge drain and fiberglass strut systems in the world. Its well-trained and ...