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Singapore Standards Package/Series ISO IEC

68 publications found under "after pay for SOCSO, how soon can get the receipt from athorities"

SS 638:2018+C1:2020+A1:2022 [Current]

Code of practice for electrical installations

SS 145-1:2019 [Current]

Specification for 13 A plugs, socket-outlets, adaptors and connection units – Part 1 : Rewirable and non-rewirable 13 A fused plugs

...forced insulation are provided, there being no provision for protective earthing or reliance upon installation conditions...
...the following: (a) Equipment having a double and substantially continuous enclosure of insulation material which envelopes all metal parts with the exception of small parts such as name plates, screws and rivets which are isolated for those parts where reinforced insulation is used...

SS 145-2:2018+C1:2019 [Current]

Specification for 13 A plugs and socket-outlets – Part 2 : 13 A switched and unswitched socket-outlets

...31 Creepage distance The shortest distance along the surface of the insulating material between two conductive parts...
...NOTE Basic insulation does not necessarily include insulation used exclusively for functional purposes...
...34 Supplementary insulation Independent insulation applied in addition to basic insulation, in order to provide protection against electric shock in the event of failure of basic insulation...

SS 145-3:2020 [Current]

Specification for 13 A plugs, socket-outlets, adaptors and connection units – Part 3 : Adaptors

...forced insulation are provided, there being no provision for protective earthing or reliance upon installation conditions...
...the following: (a) Equipment having double and substantially continuous enclosure of insulation material which envelopes all metal parts with the exception of small parts such as name plates, screws and rivets which are isolated for those parts where reinforced insulation is used, such equipment is called metal encased class II equipment...

SS 254-11:2003 [Withdrawn]

Electrical apparatus for explosive gas atmospheres - Intrinsic safety “i” (Users can refer directly to relevant parts of IEC 60079)

...the intrinsically safe circuits in electrical apparatus of category "ib" shall not be capable of causing ignition in each of the following circumstances: a) in normal operation and with the application of those non-countable faults which give the m...
...The non-countable faults applied may differ in each of the above circumstances...
...In testing or assessing the circuits for spark ignition, a safety factor of 1,5 shall be applied in accordance with 10...

SS 403:2013 [Under Revision]

Specification for 13A fused connection units switched and unswitched

...1 Fused connection units shall be classified as follows: Switched or unswitched; Flush or surface or panel-mounting; With or without provision for outgoing flexible cable or cord; With or without indicator lamp...
...the following information, which shall not be placed on screws, removable washers or other easily removable parts, or upon parts intended for separate sale: (a) Either the name, trade mark or ident...
...SS 403 1 ) ; (c) Terminals intended for the connection of the various conductors shall be identified by the symbols given in 7...

SS 470-2:1999 [Withdrawn]

Hot-finished structural hollow sections of non-alloy and fine grain structural steels - Tolerances, dimensions and sectional properties (Users can refer directly to BS EN 10210)

...The deviation from straightness (e) of the total length of a hollow section shall be measured at the point of maximum departure of the hollow section from a straight line connecting its two ends, as s...The percentage deviation from straightness shall be calculated as follows: 100% x L e Figure 7 Measurement of deviation from straightness 8 Dimensions and sectional properties The nominal section ...
...The sectional properties were calculated from the formulae given in Annex A...

SS 535:2018 [Under Revision]

Code of practice for installation, operation, maintenance, performance and construction

...5 Governor A governor is normally fitted to the diesel engine and can be mechanical, hydraulic, electronic or a combination of the above...
...It is designed to control the engines running speed within predetermined limits...
...6 Speed adjustment The provisions for speed adjustment are as follows: a) The speed is normally preset to ensure rated frequency at full load...

SS 546:2022 [Current]

Code of practice for emergency voice communication systems in buildings

...the event of fire alarm activation in the building, an Alert message shall be broadcast repeatedly for a minimum of 2 cycles until it is superseded by a False Alarm or an Evacuation message or by an E...
...7 for the requirements of broadcasting an Alert message upon fire alarm activation...
...the event of evacuation from the building, an Evacuation message shall be broadcast repeatedly for a minimum of 2 cycles until it is manually silenced...

SS 550:2020 + A1: 2022 [Current]

Code of practice for installation, operation and maintenance of electric passenger and goods lifts

...for equipment within low-voltage systems Part 1: Principles, requirements and tests (IEC 60664-1) EN 60947-4-1:2010, Low-voltage switchgear and controlgear Part 4: Contactors and motor starters - Section 1: Electromechanical contactors and motor-...
...for design Risk assessment and risk reduction (ISO 12100:2010) EN ISO 13857:2008, Safety of machinery Safety distances to prevent danger zones being reached by the upper and lower limbs (ISO 13857:...
...1 apron smooth vertical part extending downwards from the sill of the landing or car entrance 3...

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