Direct burial wire
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Nec code for underground conduit depth.
National Electrical Code (NEC) Rules for Outdoor Wiring
The National Electrical Code (NEC) includes many specific requirements for installation of outdoor circuits and equipment.
With outdoor wiring, the primary safety concerns involve shielding against moisture and corrosion, preventing physical damage, and managing issues related to underground burial. With most residential outdoor wiring projects, the relevant code requirements pertain to installing outdoor receptacles and lighting fixtures, and to running wiring above and below ground.
What kind of electrical wire can be buried underground without conduit
Where the official code requirements call for "listed" equipment, this means that the products used must be authorized for the application by an approved testing agency, such as UL (formerly Underwriters Laboratories).
Rules for Outdoor ReceptaclesÂ
Many of the rules applying to outdoor receptacle outlets are aimed at reducing the likelihood of shock, which is a notable risk anytime a user is in direct contact with the earth.
The principal rules for outdoor receptacles include:
- GFCI (ground-fault circuit-interrupter) protection is req
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