Standardization Circular 10-83 Standardization of Unplasticized Polyvinyl Chloride (uPVC) Electrical Conduit covered by PNS 14:1983, Unplasticized polyvinyl chloride (uPVC) electrical conduit - Specification

Standardization Circular 04-83 Standardization of Code of Practice for the Use of Liquefied Petroleum Gas (LPG) System in Internal Combustion Engine covered by PNS 05:1983, The use of Liquefied Petroleum Gas (LPG) system in internal combustion engine - Code of practice

Standardization Circular 03-83 Standardization of Automotive Liquefied Petroleum Gas (LPG) Steel Cylinders for Use in Motor Vehicles covered by PNS 04:1983, Gas cylinders for automotive - LPG for use in motor vehicles - Steel cylinders - Specifications

Recall of PNS 127:2004 - Cold-reduce carbon steel sheet of commercial and drawing qualities - Specifications from the list of Mandatory Philippine National Standards.

Mandatory Implementation of the following Philippine National Standards: (1) PNS 03-1:2000, Steel cylinders for LPG - Part 1: Specification, (2) PNS 03-2:2000, Steel cylinders for LPG - Part 2: Method of requalification, (3) PNS 03-3:2000, Steel cylinders for LPG - Part 3: Requirements for repair, (4) PNS 189:2000, Lighting sets using miniature and sub-miniature lamps for decorative purposes - Specification, and (5) PNS 196:2000, Plywood - Specification

Mandatory Implementation of Philippine National Standards for Plastic Piping System covered by PNS 1950:2003, Plastic piping system for soil and waste discharge (low and high temperature) inside buildings - Unplasticized polyvinyl chloride (PVC-U)

Mandatory Implementation of the following Philippine National Standards: (1) PNS 1485-1:1996 Amds. 1 & 2:1996; IEC 669-1:1993 Amd. 1:1994 & Amd. 2:1995 - Switches for household and similar fixed-electrical installation - Part 1: General requirements; (2) PNS 1486-1:1996/IEC 884-1:1994 - Plugs and socket-outlets for household and similar purposes; and (3) PNS 57:1996 General use snap switches

Mandatory Implementation of the following Philippine National Standards for Pipes: (1) PNS ISO 4427:2002, Polyethylene (PE) pipes for water supply - Specification and Amd. 01:2002, and (2) PNS 1991:2002, Grey iron pipes for pressure water lines - Specification

Mandatory Implementation of Philippine National Standard for Low Carbon Steel Wires - Plain/annealed/zinc coated covered by PNS 113:2005, Specification for low carbon steel wires - Plain/annealed/zinc coated

Mandatory Philippine National Standards for (1) PNS 1079:1994 Safety of household and similar electrical appliances - part 1: General requirements, (2) PNS 1244:1994 Safety of household and similar electrical appliances - Part 2: Particular requirements for kitchen machines, (3) PNS 38-1:1995 Safety specifications for incandescent lamps - Part 1: Tungsten filament lamps for domestic and similar general lighting purposes, (4) PNS 519:1991 Circuit breakers - Moulded case - Specification, PNS 79:1992 Pressure sensitive adhesive polyvinyl chloride (PVC) tapes for electrical insulation - Specification, PSN 118:1992 Knife switches - Specification, (5) PNS 163:1994 Electrical products - Polyvinyl chloride insulated flexible cords - Specification, (6) PNS 26:1992 Steel - Black and hot-dipped zinc coated (galvanized) longitudinally welded steel pipes (for ordinary use) - Specification, (7) PNS 65:1993 Unplasticized polyvinyl chloride (uPVC) pipes for potable water supply - Specification, (8) PNS 15-3:1991 Portable fire extinguishers - Specification Part 3: Carbon dioxide, (9) PNS 15-4:1991 Portable fire extinguishers - Specification Part 4: Foam, (10) PNS 38-2:1995 Tungsten filament lamps for domestic and similar general lighting purposes - Part 2: Performance requirements