Blue Sea 4029 AC Isolation Cover - 8 Position, 1 Column4029 AC Isolation Cover 8 Position, 1 Column Features: Provides electrical insulation for exposed panel backs Provides mechanical protection for panel backs protruding into lockers Lightweight material is easily drilled for wire entrance and exit Meets ABYC requirements for panels with combined AC and DC Used on Blue Sea Systems toggle style circuit breaker panels only WARNING: This product can expose you to chemicals including di(2