English — Forum #377 (Page 12/23)

1. Interpreting the content of the preface to the General Code for Building Electrical and Intelligent Systems - HCBBS Forum
2. Electrical Technology 2020-6-27 - HCBBS Forum
3. Selection of thermal imaging cameras for electrical equipment - HCBBS Forum
4. Electrical Technology 2020-2-4 - HCBBS Forum
5. What potential hazards can arise from working on equipment whose power supply is only disconnected by a circuit breaker? - HCBBS Forum
6. Electrical Technology 2019-12-4 - HCBBS Forum
7. Has anyone seen the practice of grounding the metal cover of pipeline insulation layers? - HCBBS Forum
8. Electrical Technology 2020-4-11 - HCBBS Forum
9. How to choose explosion-proof air conditioning for hazardous machine rooms - HCBBS Forum
10. Inverter with low-power motor - HCBBS Forum
11. Is it necessary to lock the distribution box for on-site construction electricity? - HCBBS Forum
12. Electrical Technology 2019-8-7 - HCBBS Forum
13. Electrical Technology 2019-10-5 - HCBBS Forum
14. “Is the “intrinsic safety” explosion protection level higher than that of “explosion isolation”? - HCBBS Forum
15. Issues regarding the combined use of low-voltage frequency converters and motor protectors - HCBBS Forum
16. What are the reasons for malfunctions in explosion-proof air conditioners? - HCBBS Forum
17. What are the advantages of Honeywell frequency converters in the packaging and printing industry? - HCBBS Forum
18. Electrical Management 3325 - HCBBS Forum
19. Electrical Technology 2019-9-22 - HCBBS Forum
20. May I ask, which value indicated on the cable’s outer coating corresponds to the rated voltage of 500V in this standard? - HCBBS Forum
21. Need help with fixed combustible gas alarms? - HCBBS Forum
22. Which type of industrial frequency converter is good? - HCBBS Forum
23. What is the safe distance between Class C warehouses of chemical logistics companies and overhead power lines? - HCBBS Forum
24. Electrical Technology 2019-7-29 - HCBBS Forum
25. Grounding requirements for outdoor explosion-proof control boxes and explosion-proof electrical control boxes - HCBBS Forum
26. After a sudden power outage across the entire plant, is it necessary to manually press the stop button on all operating equipment? - HCBBS Forum
27. What are the common faults that occur during the installation of explosion-proof air conditioners and how can they be resolved? - HCBBS Forum
28. Can a grounding clip be used for the protective grounding of a welding machine? - HCBBS Forum
29. “Design Code for 3–110 kV High-Voltage Switchgear” GB50060-2017 - HCBBS Forum
30. The necessity of using soft copper strips to connect dry-type transformers to the busbars on the top of the cabinet - HCBBS Forum
31. Electrical Technology - 2019-7-5 - HCBBS Forum
32. Electrical Technology - 2019-6-11 - HCBBS Forum
33. Electrical Technology 2020-3-10 - HCBBS Forum
34. Are there any standard specifications for the inner diameter and outer diameter of the cooling fan at the rear of the motor? - HCBBS Forum
35. Electrical Technology 2020-7-29 - HCBBS Forum
36. Electrical Technology-2019-5-6 - HCBBS Forum
37. Regarding pneumatic shut-off valves and control valves - HCBBS Forum
38. Electrical Technology 2020-2-13 - HCBBS Forum
39. Lights and junction boxes in the south are prone to water ingress - HCBBS Forum
40. The meaning of the ATEX explosion-proof certification mark - HCBBS Forum
41. Problems that arise during the use of explosion-proof instruments? - HCBBS Forum
42. Are aluminum cables still allowed to be used in chemical plants? - HCBBS Forum
43. Electrical Technology 2019-9-2 - HCBBS Forum
44. Is it still necessary to conduct an explosion-proof inspection after the installation of explosion-proof electrical equipment? - HCBBS Forum
45. Electrical Technology 2019-11-4 - HCBBS Forum
46. What is an explosion-proof audio-visual alarm? Have you heard of it? - HCBBS Forum
47. Electrical Technology-2019-5-2 - HCBBS Forum
48. Four additional relay circuits that electricians should know about - HCBBS Forum
49. Electrical Technology 2020-4-16 - HCBBS Forum
50. 250KVA substation - HCBBS Forum
51. Differences between explosion-proof junction boxes and waterproof, dustproof, and corrosion-resistant junction boxes - HCBBS Forum
52. How can I prevent mice, insects, and moisture in a distribution cabinet? - HCBBS Forum
53. The ACS800 inverter displays error 2310 - HCBBS Forum
54. Precautions for lightning protection testing - HCBBS Forum
55. Comprehensive Guide to Special Equipment 20.13 [Elevators] List – No attachments - HCBBS Forum
56. Discussion on 220KV Intelligent Unmanned Substations - HCBBS Forum
57. Electrical Technology - 2019-5-22 - HCBBS Forum
58. Electrical Technology 2019-9-15 - HCBBS Forum
59. Electrical Technology 2019-10-8 - HCBBS Forum
60. For product explosion-proof certification, is it better to choose intrinsically safe design or flame arrestment? - HCBBS Forum
61. Electrical Technology 2019-8-31 - HCBBS Forum
62. Electrical work order - HCBBS Forum
63. SH_T 3569-2020 Specifications for Construction and Acceptance of Cable Trays in Petrochemical Industries - HCBBS Forum
64. Function and application scope of arc light protection devices - HCBBS Forum
65. Are fences needed around high-voltage utility poles in industrial areas? What other warning signs are needed? - HCBBS Forum
66. Electrical Code - HCBBS Forum
67. How often should explosion-proof electrical equipment be inspected? - HCBBS Forum
68. Definition of the distribution room (is there a wall-mounted electrical panel inside?) ） - HCBBS Forum
69. Explosion protection technical requirements for common flameproof and intrinsically safe products - HCBBS Forum
70. What are the problems with explosion-proof electrical equipment? - HCBBS Forum
71. Welcome to the series of courses on electrical design for refining enterprises* - HCBBS Forum
72. Can a distribution room be cleaned with a wet mop? - HCBBS Forum
73. Electrical Technology 2020-5-28 - HCBBS Forum
74. Ground wire material issue - HCBBS Forum
75. Electrical Technology 2028-6-14 - HCBBS Forum
76. Electrical Technology 2020-4-20 - HCBBS Forum
77. It can include 360-degree rotatable conductive slip rings, communication slip rings, mercury slip rings, central current collection rings, guides, brushes, and more - HCBBS Forum
78. Do dry cells with the same voltage (in volts) have the same diameter and length? - HCBBS Forum
79. Manufacturers of explosion-proof motors - HCBBS Forum
80. Formula for active power loss in transmission lines - HCBBS Forum
81. What electrical explosion protection tests need to be carried out during use? - HCBBS Forum
82. Differences in motor operating modes - HCBBS Forum
83. Electrical Technology 2020-2-27 - HCBBS Forum
84. Electrical Technology 2019-11-8 - HCBBS Forum
85. Electrical Technology 2020-5-4 - HCBBS Forum
86. Electrical Technology 2020-1-12 - HCBBS Forum
87. What electrical safety measures are generally used in small industrial projects? ! - HCBBS Forum
88. Regarding metal float flow meters - HCBBS Forum
89. Which teacher has a good understanding of Type A emergency lighting fixtures? - HCBBS Forum
90. What is an elevator server? - HCBBS Forum
91. Electrical Technology 2019-11-26 - HCBBS Forum
92. Electrical Technology 2020-2-8 - HCBBS Forum
93. Eliminating interference with central air conditioning frequency converters - HCBBS Forum
94. Transformer differential protection device and its characteristics - HCBBS Forum
95. Four major methods for cable fault testing - HCBBS Forum
96. Electrical Technology 2019-12-25 - HCBBS Forum
97. Electric heater in dry powder fire extinguisher cabinet - HCBBS Forum
98. When using a clamp meter to measure voltage, must both probe tips make contact with the two wires at the same time? - HCBBS Forum
99. Maintenance cycle for electrical equipment - HCBBS Forum
100. Electrical Technology 2019-8-30 - HCBBS Forum