1. Circular on "REQUIREMENT FOR HIGH-SENSITIVITY RESIDUAL CURRENT CIRCUIT BREAKER (RCCB) IN DOMESTIC ELECTRICAL INSTALLATIONS". [RD/E01/2023] (PDF, 248KB)
2. Circular on "Singapore Standard SS 608:2015 Code of Practice for Gas Installation - Amendment No. 3". [RD/G01/2023] (PDF, 250KB)