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  1. Calculations:Electrical Design Guideline‏‎ (67 revisions)
  2. Calculations:Transformer Efficiency and Regulation‏‎ (59 revisions)
  3. Industrial Plant Design/System Planning/Determination of Loads‏‎ (52 revisions)
  4. Philippine Electrical Code 2017 Part 1/Chapter 1. General/Article 1.0 - Introduction‏‎ (49 revisions)
  5. Philippine Electrical Code 2017 Part 1/Chapter 1. General/Article 1.10 - Requirements For Electrical Installations‏‎ (40 revisions)
  6. Philippine Electrical Code 2017 Part 1/Chapter 1. General/Article 1.3 - Electrical Plans And Specifications‏‎ (33 revisions)
  7. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection/Article 2.10 - Branch Circuits‏‎ (31 revisions)
  8. Industrial Plant Design/System Planning‏‎ (31 revisions)
  9. Philippine Electrical Code 2009 Part 1/Chapter 1. General/Article 1.10 - Requirements For Electrical Installations‏‎ (24 revisions)
  10. Philippine Electrical Code 2017 Part 1/Chapter 1. General/Article 1.1 - Definitions‏‎ (23 revisions)
  11. Basics:Transformer Theory‏‎ (21 revisions)
  12. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection/Article 2.0 - Use And Identification Of Grounded Conductors‏‎ (21 revisions)
  13. Basics:Circuit Breaker Characteristics‏‎ (19 revisions)
  14. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection/Article 2.20 - Branch-Circuit, Feeder, And Service Calculations‏‎ (16 revisions)
  15. Power:Transformer Inrush Current‏‎ (13 revisions)
  16. Philippine Electrical Code 2017 Part 1/Chapter 1. General/Article 1.2 - Permits And Inspection Certificates‏‎ (13 revisions)
  17. Power:Transformer Load Tap Changers‏‎ (13 revisions)
  18. Philippine Electrical Code 2009 Part 1/Chapter 8. Communications Systems‏‎ (10 revisions)
  19. Grounding System‏‎ (10 revisions)
  20. Philippine Electrical Code 2017 Part 1/Chapter 3. Wiring Methods and Materials‏‎ (9 revisions)
  21. Philippine Electrical Code 2009 Part 1‏‎ (8 revisions)
  22. Philippine Electrical Code 2009 Part 1/Chapter 1. General/Article 1.0 - Introduction‏‎ (8 revisions)
  23. Calculations:Motor Starting Calculation‏‎ (8 revisions)
  24. Philippine Electrical Code 2009 Part 1/Chapter 8. Communications Systems/Article 8.0 — Communications Circuits‏‎ (7 revisions)
  25. Philippine Electrical Code 2017 Part 1‏‎ (6 revisions)
  26. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials‏‎ (6 revisions)
  27. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.0 - Wiring Methods‏‎ (6 revisions)
  28. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection‏‎ (6 revisions)
  29. Basics:Difference Between A Soft Starter and A Variable Speed Drive‏‎ (6 revisions)
  30. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.10 - Conductors For General Wiring‏‎ (6 revisions)
  31. Philippine Electrical Code 2009 Part 1/Chapter 1. General/Article 1.1 - Definitions‏‎ (6 revisions)
  32. Philippine Electrical Code 2017 Part 1/Highlights and Impacts‏‎ (6 revisions)
  33. Basics:DC Circuits‏‎ (6 revisions)
  34. Philippine Electrical Code 2017 Part 1/Preface‏‎ (5 revisions)
  35. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies‏‎ (5 revisions)
  36. Philippine Electrical Code 2009 Part 1/Chapter 1. General‏‎ (5 revisions)
  37. Calculations:Short Circuit Calculation‏‎ (5 revisions)
  38. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection‏‎ (5 revisions)
  39. Calculations:Cable Sizing Calculations‏‎ (5 revisions)
  40. Philippine Electrical Code 2017 Part 1/Appendix D. Wiring Design Examples‏‎ (5 revisions)
  41. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection/Article 2.25 - Outside Branch Circuits And Feeders‏‎ (5 revisions)
  42. Calculations:Low Frequency Induction‏‎ (5 revisions)
  43. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use‏‎ (5 revisions)
  44. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment‏‎ (5 revisions)
  45. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection/Article 2.40 - Overcurrent Protection‏‎ (4 revisions)
  46. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection/Article 2.50 - Grounding And Bonding‏‎ (4 revisions)
  47. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection/Article 2.80 - Surge Arresters‏‎ (4 revisions)
  48. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection/Article 2.85 - Transient Voltage Surge Suppressors: TVSS‏‎ (4 revisions)
  49. Power:Introduction to Electrical Relays‏‎ (4 revisions)
  50. Philippine Electrical Code 2009 Part 1/Chapter 1. General/Article 1.2 - Permits And Inspection Certificates‏‎ (4 revisions)
  51. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection/Article 2.0 - Use And Identification Of Grounded Conductors‏‎ (4 revisions)
  52. Industrial Plant Design‏‎ (4 revisions)
  53. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection/Article 2.10 - Branch Circuits‏‎ (4 revisions)
  54. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection/Article 2.15 - Feeders‏‎ (4 revisions)
  55. Calculations:Earthing Calculations‏‎ (4 revisions)
  56. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection/Article 2.20 - Branch-Circuit, Feeder, And Service Calculations‏‎ (4 revisions)
  57. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection/Article 2.25 - Outside Branch Circuits And Feeders‏‎ (4 revisions)
  58. Philippine Electrical Code 2009 Part 1/Chapter 2. Wiring and Protection/Article 2.30 - Services‏‎ (4 revisions)
  59. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.34 - Nonmetallic-Sheathed Cable: Types NM, NMC, And NMS‏‎ (3 revisions)
  60. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.70 - Cablebus‏‎ (3 revisions)
  61. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.2 - Fixture (Luminaires) Wires‏‎ (3 revisions)
  62. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.70 - Resistors And Reactors‏‎ (3 revisions)
  63. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.16 - Spray Application, Dipping, And Coating Processes‏‎ (3 revisions)
  64. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.0 - Electric Signs And Outline Lighting‏‎ (3 revisions)
  65. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.75 - Electrically Driven Or Controlled Irrigation Machines‏‎ (3 revisions)
  66. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions/Article 7.70 — Optical Fiber Cables And Raceways‏‎ (3 revisions)
  67. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.36 - Power And Control Tray Cable: Type TC‏‎ (3 revisions)
  68. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.72 - Cellular Concrete Floor Raceways‏‎ (3 revisions)
  69. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.4 - Switches‏‎ (3 revisions)
  70. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.80 - Storage Batteries‏‎ (3 revisions)
  71. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.17 - Health Care Facilities‏‎ (3 revisions)
  72. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.4 - Manufactured Wiring Systems‏‎ (3 revisions)
  73. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.80 - Swimming Pools, Fountains, And Similar Installations‏‎ (3 revisions)
  74. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions/Article 7.80 — Closed-Loop And Programmed Power Distribution‏‎ (3 revisions)
  75. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.38 - Service-Entrance Cable: Types SE And USE‏‎ (3 revisions)
  76. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.74 - Cellular Metal Floor Raceways‏‎ (3 revisions)
  77. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.6 - Receptacles, Cord Connectors, And Attachment Plugs (Caps)‏‎ (3 revisions)
  78. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.90 - Equipment, Over 600 Volts, Nominal‏‎ (3 revisions)
  79. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.18 - Assembly Occupancies‏‎ (3 revisions)
  80. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.5 - Office Furnishings (Consisting Of Lighting Accessories And Wired Partitions)‏‎ (3 revisions)
  81. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.82 - Natural And Artificially Made Bodies Of Water‏‎ (3 revisions)
  82. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.40 - Underground Feeder And Branch-Circuit Cable: Type UF‏‎ (3 revisions)
  83. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.76 - Metal Wireways‏‎ (3 revisions)
  84. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.8 - Switchboards And Panelboards‏‎ (3 revisions)
  85. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.20 - Theaters, Audience Areas Of Motion Picture And Television Studios, Performance Areas, And Similar Locations‏‎ (3 revisions)
  86. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.10 - Cranes And Hoists‏‎ (3 revisions)
  87. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.85 - Integrated Electrical Systems‏‎ (3 revisions)
  88. Philippine Electrical Code 2017 Part 1/Chapter 1. General‏‎ (3 revisions)
  89. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.42 - Intermediate Metal Conduit: Type IMC‏‎ (3 revisions)
  90. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.78 - Nonmetallic Wireways‏‎ (3 revisions)
  91. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.9 - Industrial Control Panels‏‎ (3 revisions)
  92. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.0 - Hazardous (Classified) Locations, Classes I, II, And III, Divisions 1 And 2‏‎ (3 revisions)
  93. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.25 - Carnivals, Circuses, Fairs, And Similar Events‏‎ (3 revisions)
  94. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.20 - Elevators, Dumbwaiters, Escalators, Moving Walks, Wheelchair Lifts, And Stairway Chair Lifts‏‎ (3 revisions)
  95. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.90 - Solar Photovoltaic Systems‏‎ (3 revisions)
  96. Philippine Electrical Code 2009 Part 1/Chapter 8. Communications Systems/Article 8.10 — Radio And Television Equipment‏‎ (3 revisions)
  97. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.44 - Rigid Metal Conduit: Type RMC‏‎ (3 revisions)
  98. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.80 - Multioutlet Assembly‏‎ (3 revisions)
  99. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.10 - Luminaires (Lighting Fixtures), Lampholders, And Lamps‏‎ (3 revisions)
  100. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.1 - Class I Locations‏‎ (3 revisions)
  101. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.30 - Motion Picture And Television Studios And Similar Locations‏‎ (3 revisions)
  102. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.25 - Electric Vehicle Charging System‏‎ (3 revisions)
  103. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.92 - Fuel Cell Systems‏‎ (3 revisions)
  104. Philippine Electrical Code 2009 Part 1/Chapter 8. Communications Systems/Article 8.20 — Community Antenna Television And Radio Distribution Systems‏‎ (3 revisions)
  105. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.48 - Flexible Metal Conduit: Type FMC‏‎ (3 revisions)
  106. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.82 - Nonmetallic Extensions‏‎ (3 revisions)
  107. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.11 - Lighting Systems Operating At 30 Volts Or Less‏‎ (3 revisions)
  108. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.2 - Class II Locations‏‎ (3 revisions)
  109. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.40 - Motion Picture Projection Rooms‏‎ (3 revisions)
  110. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.30 - Electric Welders‏‎ (3 revisions)
  111. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.95 - Fire Pumps‏‎ (3 revisions)
  112. Philippine Electrical Code 2009 Part 1/Chapter 8. Communications Systems/Article 8.30 — Network-Powered Broadband Communications Systems‏‎ (3 revisions)
  113. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.12 - Cabinets, Cutout Boxes, And Meter Socket Enclosures‏‎ (3 revisions)
  114. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.50 - Liquidtight Flexible Metal Conduit: Type LFMC‏‎ (3 revisions)
  115. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.84 - Strut-Type Channel Raceway‏‎ (3 revisions)
  116. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.22 - Appliances‏‎ (3 revisions)
  117. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.3 - Class III Locations‏‎ (3 revisions)
  118. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.45 - Manufactured Buildings‏‎ (3 revisions)
  119. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.40 - Audio Signal Processing, Amplification, And Reproduction Equipment‏‎ (3 revisions)
  120. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions‏‎ (3 revisions)
  121. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.14 - Outlet, Device, Pull, And Junction Boxes; Conduit Bodies; Fittings; And Handhole Enclosures‏‎ (3 revisions)
  122. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.52 - Rigid Nonmetallic Conduit: Type RNC‏‎ (3 revisions)
  123. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.86 - Surface Metal Raceways‏‎ (3 revisions)
  124. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.24 - Fixed Electric Space-Heating Equipment‏‎ (3 revisions)
  125. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.4 - Intrinsically Safe Systems‏‎ (3 revisions)
  126. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.47 - Agricultural Buildings‏‎ (3 revisions)
  127. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.45 - Information Technology Equipment‏‎ (3 revisions)
  128. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions/Article 7.0 — Emergency Systems‏‎ (3 revisions)
  129. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection/Article 2.15 - Feeders‏‎ (3 revisions)
  130. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.20 - Armored Cable: Type AC‏‎ (3 revisions)
  131. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.53 - High Density Polyethylene Conduit: Type HDPE Conduit‏‎ (3 revisions)
  132. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.88 - Surface Nonmetallic Raceways‏‎ (3 revisions)
  133. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.27 - Fixed Electric Heating Equipment For Pipelines And Vessels‏‎ (3 revisions)
  134. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.47 – Sensitive Electronic Equipment‏‎ (3 revisions)
  135. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions/Article 7.1 — Legally Required Standby Systems‏‎ (3 revisions)
  136. Calculations:Per Unit System‏‎ (3 revisions)
  137. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.22 - Flat Cable Assemblies: Type FC‏‎ (3 revisions)
  138. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.54 - Nonmetallic Underground Conduit With Conductors: Type NUCC‏‎ (3 revisions)
  139. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.90 - Underfloor Raceways‏‎ (3 revisions)
  140. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.30 - Motors, Motor Circuits, And Controllers‏‎ (3 revisions)
  141. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.50 - Pipe Organs‏‎ (3 revisions)
  142. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions/Article 7.2 — Optional Standby Systems‏‎ (3 revisions)
  143. Philippine Electrical Code 2017 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.0 - Wiring Methods/3.0.2 Requirements for Over 600 Volts, Nominal‏‎ (3 revisions)
  144. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.24 - Flat Conductor Cable: Type FCC‏‎ (3 revisions)
  145. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.56 - Liquidtight Flexible Nonmetallic Conduit: Type LFNC‏‎ (3 revisions)
  146. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.92 - Cable Trays‏‎ (3 revisions)
  147. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.40 - Air-Conditioning And Refrigerating Equipment‏‎ (3 revisions)
  148. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.10 - Hazardous (Classified) Locations - Specific‏‎ (3 revisions)
  149. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.60 - X-Ray Equipment‏‎ (3 revisions)
  150. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions/Article 7.5 — Interconnected Electric Power Production Sources‏‎ (3 revisions)
  151. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.26 - Integrated Gas Spacer Cable: Type IGS‏‎ (3 revisions)
  152. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.58 - Electrical Metallic Tubing: Type EMT‏‎ (3 revisions)
  153. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.94 - Concealed Knob-And-Tube Wiring‏‎ (3 revisions)
  154. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.45 - Generators‏‎ (3 revisions)
  155. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.11 - Commercial Garages, Repair And Storage‏‎ (3 revisions)
  156. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.65 - Induction And Dielectric Heating‏‎ (3 revisions)
  157. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions/Article 7.20 — Circuits And Equipment Operating At Less Than 50 Volts‏‎ (3 revisions)
  158. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.28 - Medium Voltage Cable: Type MV‏‎ (3 revisions)
  159. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.62 - Electrical Nonmetallic Tubing: Type ENT‏‎ (3 revisions)
  160. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.96 - Messenger Supported Wiring‏‎ (3 revisions)
  161. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.50 - Transformers And Transformer Vaults (Including Secondary Ties)‏‎ (3 revisions)
  162. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.13 - Aircraft Hangars‏‎ (3 revisions)
  163. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.68 - Electrolytic Cells‏‎ (3 revisions)
  164. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions/Article 7.25 — Class 1, Class 2, And Class 3 Remote-Control, Signaling, And Power-Limited Circuits‏‎ (3 revisions)
  165. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.30 - Metal-Clad Cable: Type MC‏‎ (3 revisions)
  166. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.66 - Auxiliary Gutters‏‎ (3 revisions)
  167. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.98 - Open Wiring On Insulators‏‎ (3 revisions)
  168. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.55 - Phase Converters‏‎ (3 revisions)
  169. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.14 - Motor Fuel Dispensing Facilities‏‎ (3 revisions)
  170. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.69 - Electroplating‏‎ (3 revisions)
  171. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions/Article 7.27 — Instrumentation Tray Cable: Type ITC‏‎ (3 revisions)
  172. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.32 - Mineral-Insulated, Metalsheathed Cable: Type MI‏‎ (3 revisions)
  173. Philippine Electrical Code 2009 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.68 - Busways‏‎ (3 revisions)
  174. Philippine Electrical Code 2009 Part 1/Chapter 4. Equipment for General Use/Article 4.60 - Capacitors‏‎ (3 revisions)
  175. Philippine Electrical Code 2009 Part 1/Chapter 5. Special Occupancies/Article 5.15 - Bulk Storage Plants‏‎ (3 revisions)
  176. Philippine Electrical Code 2009 Part 1/Chapter 6. Special Equipment/Article 6.70 - Industrial Machinery‏‎ (3 revisions)
  177. Philippine Electrical Code 2009 Part 1/Chapter 7. Special Conditions/Article 7.60 — Fire Alarm Systems‏‎ (3 revisions)
  178. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection/Article 2.80 - Surge Arresters‏‎ (2 revisions)
  179. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection/Article 2.85 - Transient Voltage Surge Suppressors: TVSS‏‎ (2 revisions)
  180. Philippine Electrical Code 2017 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.0 - Wiring Methods‏‎ (2 revisions)
  181. Philippine Electrical Code 2017 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.10 - Conductors For General Wiring‏‎ (2 revisions)
  182. Philippine Electrical Code Part 1/Chapter 5. Special Occupancies/Article 5.5 - Class I, Zone 0, 1, And 2 Locations‏‎ (2 revisions)
  183. Philippine Electrical Code Part 1/Chapter 5. Special Occupancies/Article 5.50 - Mobile Homes, Manufactured Homes, And Mobile Home Parks‏‎ (2 revisions)
  184. Philippine Electrical Code Part 1/Chapter 5. Special Occupancies/Article 5.6 - Zone 20, 21, And 22 Locations For Combustible Dusts, Fibers, And Flyings‏‎ (2 revisions)
  185. Philippine Electrical Code Part 1/Chapter 5. Special Occupancies/Article 5.51 - Recreational Vehicles And Recreational Vehicle Parks‏‎ (2 revisions)
  186. Philippine Electrical Code Part 1/Chapter 5. Special Occupancies/Article 5.52 - Park Trailers‏‎ (2 revisions)
  187. Philippine Electrical Code Part 1/Chapter 5. Special Occupancies/Article 5.53 - Floating Buildings‏‎ (2 revisions)
  188. Philippine Electrical Code 2017 Part 1/Chapter 4 Equipment for General Use‏‎ (2 revisions)
  189. Philippine Electrical Code Part 1/Chapter 5. Special Occupancies/Article 5.55 - Marinas And Boatyards‏‎ (2 revisions)
  190. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection/Article 2.30 - Services‏‎ (2 revisions)
  191. Philippine Electrical Code 2017 Part 1/Chapter 5 Special Occupancies‏‎ (2 revisions)
  192. Industrial Plant Design/System Planning/Basic Design Consideration‏‎ (2 revisions)
  193. Philippine Electrical Code Part 1/Chapter 5. Special Occupancies/Article 5.90 - Temporary Installations‏‎ (2 revisions)
  194. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection/Article 2.40 - Overcurrent Protection‏‎ (2 revisions)
  195. Philippine Electrical Code 2017 Part 1/Chapter 2. Wiring and Protection/Article 2.50 - Grounding And Bonding‏‎ (2 revisions)
  196. Basics:Infinite Bus‏‎ (2 revisions)
  197. Main Page‏‎ (1 revision)
  198. Philippine Electrical Code 2017 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.12 - Cabinets, Cutout Boxes, And Meter Socket Enclosures‏‎ (1 revision)
  199. Calculations:Electrical Design Guideline/Basic Electrical Engineering Formulas‏‎ (1 revision)
  200. Philippine Electrical Code 2017 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.22 - Flat Cable Assemblies: Type FC‏‎ (1 revision)
  201. Cable Calculations‏‎ (1 revision)
  202. Cable Sizing Calculations‏‎ (1 revision)
  203. Philippine Electrical Code 2017 Part 1/Chapter 3. Wiring Methods and Materials/Article 3.0 - Wiring Methods/3.0.1 General Requirements‏‎ (1 revision)
  204. Calculations:Cable Sizing Caclulations‏‎ (1 revision)
  205. Calculations:Electrical Load Schedule‏‎ (1 revision)
  206. Philippine Electrical Code 2017 Part 1/Chapter 6 Special Equipment‏‎ (1 revision)

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