Posted: 11/4/2015 6:36:36 PM EDT
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I would like to add an additional 60W pagoda light fixture to my existing outdoor lights. The lights are 120V. My plan is to connect to the junction box of an existing light and run conduit underground to the new light location. The new light will be about 30' from the existing light. My questions are:
1. Should I use PVC or metal conduit {metal conduit was used for the existing lights}? 2. How deep should the conduit be buried, the lights are in a bed of ivy and the conduit would run along the edge of a concrete mow strip? Thanks. |
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A quick search on the net came back with this.
NEC 300-5 Generally, cables approved for direct burial shall have a minimum cover of 24 inches. When wiring is installed at dwellings in approved non-metallic raceways, the minimum cover can be reduced to 18 inches. NEC 300-5 GFCI When a GFCI protected residential branch circuit is rated 20 amps or less and 120 volts or less, the minimum cover can be reduced to 12 inches. NEC 300-5 Conductors emerging from underground shall be installed in rigid metal conduit, intermediate metal conduit, or Schedule 80 rigid nonmetallic conduit to provide protection from physical damage. This protection shall extend from 18 inches below grade or the minimum cover distance, above, to the point of termination above ground |