Mandatory international standards: Cable burial depth according to NEC 300. 4-step installation process: Trench excavation – main house connection – garage connection with GFCI – completion and acceptance testing. The in-ground installation for CANTEX PVC junction boxes is also simple, but always be sure to follow all national and regional electrical codes when installing any electrical junction box. Make sure the seams of the box are properly sealed with a silicone-based caulk to ensure it is completely waterproof. We may be compensated if you purchase through links on our website. 5 is an article in the National Electrical Code that addresses requirements for underground electrical installations, including minimum cover requirements—the measurement used to determine the distance from the top of an underground cable or raceway to the finished grade.
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