BASIC ELECTRICAL FULL FORM
1. What is the Full Form of HT?
= High Tension (Transformer HT side)?
2. What is the Full Form of LT?
= Low Tension
3. What is the Full Form of AB switch?
= Air Break switch
4. What is the Full Form of DO fuse?
= Drop Out fuse
5. What is the Full Form of ACB?
= Air Circuit Breaker
6. What is the Full Form of VCB?
= Vacuum Circuit Breaker
7. What is the Full Form of SF6 Circuit Breaker?
= Sulphur Hexafluoride Circuit Breaker
8. What is the Full Form of ACDB?
= Alternating Current Distribution Board
9. What is the Full Form of DCDB?
=Direct Current Distribution Board
10. What is the Full Form of PDB?
= Power Distribution Board
11. What is the Full Form of MPDB?
= Main Power Distribution Board
12. What is the Full Form of PCC?
= Power Control Centre
13. What is the Full Form of MCC?
= Motor Control Centre
14. What is the Full Form of MCP?
= Motor Control Panel
15. What is the Full Form of VVVF?
= Variable Voltage Variable Frequency Drive
16. What is the Full Form of VSD?
= Variable Speed Drive
17. What is the Full Form of DOL?
= Direct On-Line
18. What is the Full Form of RDOL?
= Reverse Duty On-Line
19. What is the Full Form of MLDB?
= Main Lighting Distribution Board
20. What is the Full Form of SLDB?
= Secondary Lighting Distribution Board
21. What is the Full Form of EMLDB?
= Emergency Lighting Distribution Board
22. What is the Full Form of CPSS?
= Construction Power Substation
23. What is the Full Form of DSS?
= Distribution Power Substation
24. What is the Full Form of RCC?
= Remote Control Cables
25. What is the Full Form of MCB?
= Miniature Circuit Breaker
26. What is the Full Form of MCCB?
= Moulded Case Circuit Breaker
27. What is the Full Form of MPCB?
= Motor Protection Circuit Breaker
28. What is the Full Form of EMPR?
= Electronic Motor Protection Relay
29. What is the Full Form of RCCB?
= Residual Current Circuit Breaker
30. What is the Full Form of RCBO?
= Residual Current Circuit Breaker with Over-current Protection
31. What is the Full Form of ELCB?
= Earth Leakage Circuit Breaker
32. What is the Full Form of HRC?
= fuse High Rupture Capacity fuse
33. What is the Full Form of OLTC?
= On Load Tap Changer
34. What is the Full Form of FCMA?
= Flux Compensated Magnetic Amplifier
35. What is the Full Form of UPS?
= Un-interrupted Power Supply
36. What is the Full Form of SMF Battery?
= Sealed Maintenance-Free Battery
37. What is the Full Form of JB?
= Junction Box
38. What is the Full Form of PB?
= Push Button
39. What is the Full Form of TB?
= Terminal Box
40. What is the Full Form of LCB?
= Local Control Board
41. What is the Full Form of LCS?
= Local Control Station
42. What is the Full Form of SPNDB?
= Short circuit Protection Neutral Distribution Board
43. What is the Full Form of TPNDB?
=Three Phase and Neutral Distribution Board
44. What is the Full Form of CT?
= Current Transformer
45. What is the Full Form of PT?
= Potential Transformer
46. What is the Full Form of SCIM?
= Squirrel Cage Induction Motor
47. What is the Full Form of ACVS?
= Air Conditioning and Ventilation System
48. What is the Full Form of FDA?
= Fire Detection and Alarm
49. What is the Full Form of PCS?
= Pull Cord Switch
50. What is the Full Form of ZSS?
= Zero Speed Switch
51. What is the Full Form of BSS?
= Belt Sway Switch
52. What is the Full Form of NO?
= Normally Opened
53. What is the Full Form of NC?
= Normally Closed
54. What is the Full Form of TEFC?
= Total Enclosed Fan Cooled
55. What is the Full Form of TESC?
= Totally Enclosed Surface Cooled
56. What is the Full Form of ISMC?
= Indian Standard Medium weight Channel
57. What is the Full Form of GI busbar?
= Galvanized Iron bus bar (for Earthing)
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