SY/T 6725.4-2012 (English Version) PDF

Scope: This part of SY/T 6725 specifies the usage conditions and basic technical requirements for design, manufacturing, installation and testing of auxiliary electrical equipment for oil drilling rigs and well site circuits. This section applies to auxiliary electrical equipment and well site circuits of oil drilling rigs used for land oil and natural gas drilling.

SY/T 6725.4-2012 Referenced Document

GB 15599 Safety rules of lightning with relation to petroleum and its facilities
GB 3836.1 Explosive atmospheres.Part 1:Equipment.General requirements
GB 3836.2 Explosive atmospheres.Part 2:Equipment protection by flameproof enclosures "d"
GB 3836.3 Explosive atmospheres.Part 3:Equipment protection by increased safety "e"
GB 3836.8 Explosive atmospheres.Part 8: Equipment protection by type of protection “n”*， 2014-12-05 Update
GB/T 13534 Code for designation of colours
GB/T 156 Standard voltages*， 2017-11-01 Update
GB/T 16895.3 Low-voltage electrical installations—Part 5-54: Selection and erection of electrical equipment—Earthing arrangements and protective conductors*， 2017-07-31 Update
GB/T 4026-2010 Basic and safety principles for man-machine interface,marking and identification.Identification of equipment terminals and conductor terminations
GB/T 4205 Basic and safety principles for man-machine interface(MMI),marking and identification.Actuating principles
GB/T 762 Standard current ratings
SY/T 6725.2-2009 Criterion for electrical equipment for oil drilling rig.Part 2:Control system

2012 SY/T 6725.4-2012 Criterion for electrical equipment for oil drilling rig.Part 4:Auxiliary power equipment and circuits for well site