NF C61-401:1986 ACCESSORIES FOR DOMESTIC AND SIMILAR INSTALLATIONS. RESIDUAL CURRENT RELEASES,FOR MAIN AND DISTRIBUTION-BOARD CIRCUIT-BREACKERS OF FIRST CATEGORY INSTALLATIONS AND IN COMPLIANCE WITH STANDARD NF C 61-400 (APPENDIX IV).
1986NF C61-401:1986 ACCESSORIES FOR DOMESTIC AND SIMILAR INSTALLATIONS. RESIDUAL CURRENT RELEASES,FOR MAIN AND DISTRIBUTION-BOARD CIRCUIT-BREACKERS OF FIRST CATEGORY INSTALLATIONS AND IN COMPLIANCE WITH STANDARD NF C 61-400 (APPENDIX IV).