NEC 2011 690.5 Ground-Fault Protection
690.5 Ground-Fault Protection requires that PV arrays with a grounded DC system must include ground-fault protection equipment, reducing fire hazards caused by ground faults.
- NEC-compliant solar labels and placards
- Engineer grade vinyl with UV-resistant inks
- Same day shipping, delivery within 24-48 hours
- Wholesale accounts available to solar contractors
