Blue Sea 4026 AC Isolation Cover - 5-1/4 x 3-3/4 x 3 [4026]4026 AC Isolation Cover 5 1 4 x 3 3 4 x 3 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 Covers a panel, or other object, up to 5 1 4" long x 3 3 4" width x 3" deep WARNING: This product can expose you to chemicals including di(2