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IEEE Guide for Selection and Installation of Electrical Cables and Cable Systems in Hazardous (Classified) Locations on Oil and Gas Land Drilling Rigs, 2020
- IEEE Std 2740-2020 Front cover
- Title page
- Notice and Disclaimer of Liability Concerning the Use of IEEE Standards Documents
- 1. Overview [Go to Page]
- 1.1 Scope
- 1.2 Purpose
- 1.3 Word usage
- 2. Normative references
- 3. Definitions, acronyms, and abbreviations [Go to Page]
- 3.1 Definitions
- 3.2 Acronyms and abbreviations
- 4. General
- 5. Conductor and cable selection [Go to Page]
- 5.1 Overview
- 5.2 General
- 5.3 Ampacity
- 5.4 Voltage
- 5.5 Ambient temperature
- 5.6 Duty factors
- 5.7 Termination
- 6. Wiring methods [Go to Page]
- 6.1 General
- 6.2 Power and lighting systems
- 6.3 Instrumentation, control, and communication systems wiring
- 6.4 Armor grounding
- 6.5 Motor cables for variable frequency drive (VFD) applications
- 6.6 Extra-hard usage flexible cord
- 6.7 Medium voltage cable (2001 V to 15 kV)
- 7. General wiring considerations [Go to Page]
- 7.1 Cable systems
- 7.2 Color coding and identification of cables
- 7.3 Cable retention
- 7.4 Cable-bending radius
- 7.5 DC conductor insulation
- 8. AC and DC top drive power service loops
- 9. Cable glands Class I, Division 1 and Division 2 [Go to Page]
- 9.1 Overview
- 9.2 Class I, Division 1
- 9.3 Class I, Division 2
- 10. Cable glands Class I, Zone 1 and Zone 2 [Go to Page]
- 10.1 Overview
- 10.2 Class I, Zone 1
- 10.3 Class I, Zone 2
- 10.4 Boundaries
- 11. Reciprocity of division and zone equipment in hazardous (classified) locations [Go to Page]
- 11.1 Use of divisional rated equipment in zone classified locations
- 11.2 Use of zone-rated equipment in divisional classified locations
- Annex A (informative)Bibliography
- Annex B (informative)Example ac top drive power service loop ampacity calculations [Go to Page]
- B.1 Example 1
- B.2 Example 2
- B.3 Example 3
- B.4 Example 4
- Annex C (informative)Protection techniques for Class I, Zone 0, Zone 1, or Zone 2 locations [Go to Page]
- C.1 General
- C.2 Flameproof “d”
- C.3 Pressurization “p”
- C.4 Intrinsic safety “ia,” “ib,” and “ic”
- C.5 Type of protection “n”
- C.6 Oil (liquid) immersion “o”
- C.7 Increased safety “e”
- C.8 Encapsulation “ma” and “mb”
- C.9 Powder filling “q” [Go to Page]
