State any eight safety precautions to be followed while working with an electric installation.

State any eight safety precautions to be followed while working with an electric installation. 
by

3 Answers

Answer :

Following are some safety precautions to be taken to followed:- 1. Safety training / book should be given to all persons working in plant. 2. Only qualified and trained person do the work, untrained person should not allow handling electrical equipment. 3. Do not work without authority &do not operate the switches without knowledge. 4. Know the work content, work sequence and especially all safety measures before starting the work. 5. Do not Do the work if you are not sure or knowledge of the condition of equipment/ machine. 6. Always use proper insulated tools & safety devices. / Always use proper insulated tools, rubber gloves, safety devices while working. 7. Always take the permit to shut down the supply, from authority during major maintenance work. 8. Avoid / do not allow working in unfavorable conditions such as high rain fall, fog or high wind. 9. Avoid /do not allow working in improper illumination such as in sufficient light or unsuitable location producing glare or shadows. 10. Do not Use defective material. 11. Do not allow working on defective equipment. 12. Keep safe distance from HV / equipment / conductor. 13. Do not make safety devices inoperative 14. Make habit to use / look out for danger notice, caution board, flags, and tags. 15. Never speak to any person working upon live mains. 16. Provide (Do) barricading to hazards area. 17. Use safe clothing./ Wear appropriate clothing (loose clothing is avoided) 18. Lock Open switches / Isolator 19. Do not scarify safety for speed. 20. Replace worn out / defective equipment / Insulator / Insulation / Cable/wire etc. 21. Do not operate switches /Isolators with wet hands. 22. Do not go carelessly near running belts on machines. 23. Do not make safety devices inoperative. 24. Maintenance schedule should be strictly followed. 25. Do not allot the work to the person who is not feeling well (ill)
by

Answer :

Safety precautions to be taken while working with Electricity : 1. Avoid working on live parts. 2. Switch off the supply before starting the work. 3. Never touch a wire till you are sure that no currents are flowing. 4. Do not guess, whether electric current is flowing through a circuit by touching. 5. Insulate yourself on the insulating material like wood, plastic etc. before starting the work on live main. 6. Your hand & feet must be dry (not wet) while working on live main. 7. Rubber mats must be placed in front of electrical switch board/ panel. 8. Use hand gloves, Safety devices & proper insulated tools. 9. Ground all machine tools, body, and structure of equipment. 10. Earthing should be checked frequently. 11. Do not use aluminum ladders but use wooden ladders. 12. Do not operate the switches without knowledge. 13. Use proper insulated tools & safety devices. 14. When working on live equipment obey proper instruction. 15. Do not work on defective equipment. 16. Use safe clothing. 17. Use shoes with rubber soles to avoid shock. 18. Do not wear suspected Necklace, arm bands, finger ring, key chain, and watch with metal parts while working. 19. Do not use defective material. Do not work if there is improper illumination such as in sufficient light or unsuitable location producing glare or shadows. 20. Do not work if there is an unfavorable condition such as rain fall, fog or high wind. 21. Do not sacrifice safety rules for speed. 22. Do not allotted work to untrained person (worker) to handle electrical equipment. 23. Make habit to look out for danger notice, caution board, flags, and tags. 24. Warn others when they seen to be in danger near live conductors or apparatus. 25. Inspect all electrical equipment & devices to ensure there is no damage or exposed wires that may causes a fire or shock. 26. Avoid using electrical equipment near wet, damp areas. 27. Use approved discharge earth rod for before working. 28. Never speak to any person working upon live mains. 29. Do not Do the work if you are not sure or knowledge of the condition of equipment/ machine. 30. Safety book/ Training should be given to all persons working in plants.
by

Answer :

Wear safety boot and use right tool for the right job
by

Related questions

State any four IE Rules to be followed in respect of safety while working on electrical installation system.

Description : State any four IE Rules to be followed in respect of safety while working on electrical installation system.  

Last Answer : While working in an electrical installation following safety IE rules regarding with safety: 1. IE Rule 3 : Authorization 2. IE Rule 29 : Construction and maintenance of electrical supply line and apparatus ... . IE Rule 60: Test for resistance of insulation 27. IE Rule 61: Connection with earth 

State any eight causes of fire.

Description : State any eight causes of fire. 

Last Answer : Following are the Causes of electrical Fires:- 1. Overloading on cables/wires/machine causes possibility of fire. 2. Use of too many device plugged into a circuit, causing heated wire & possible a ... & equipment's used in hazards area are not used as per the specification/type of protection.

List any eight contamination agents of the transformer oil.

Description : List any eight contamination agents of the transformer oil. 

Last Answer : The insulating oil gets contaminated when the following impurities are present in oil. 1. Presence of dissolved moisture content. 2. Presence of water content. 3. Presence of dissolved gases ... sulpher content 9. Presence of acetones content. 10. Presence of dissolved oil decay products content

What are the safety precautions when working on electrical equipments?

Description : What are the safety precautions when working on electrical equipments?

Last Answer : Switch off power, wear proper protective clothing, safety shoes, Notice board : Do not switch on - Men at work, stand on rubber mat, remove metal rings, watch bracelets, use proper insulated tools, ... work permit. In case of electrical shock, give proper first aid, check heart beat and pulse.

State the factors on which severity of electric shock depends.

Description : State the factors on which severity of electric shock depends. 

Last Answer : The severity of shock depends on following factors.  1. Magnitude voltage of the system.  2. The period or duration for which the area of contact with lives part.  3. It is also depends on ... 200mA  May cause fibration of heart  6 Above -200mA Causes death, severe burns 

To avoid problems while working on the Internet, you should follow these precautions. -Technology

Description : To avoid problems while working on the Internet, you should follow these precautions. -Technology

Last Answer : (d) All of the above

What are the precautions to be taken while working at SPPT?

Description : What are the precautions to be taken while working at SPPT?

Last Answer : PT trolley should be isolated very carefully so as to isolate secondary terminals first and primary (HT) terminals next. When primary isolated the arrangement in the trolley make ground connection and HT ... side of the fuse to replace the fuse. Because PT may be energised through secondary side. 

What precautions should be taken while working in high tritium areas?

Description : What precautions should be taken while working in high tritium areas?

Last Answer : Use respirators, plastic suits, VP suits if concentration of tritium is very high. Avoid getting hurt while working because tritium may go through the skin by sweat to the blood. If by chance there is tritium intake in the body drink lots of fluids. 

What are the safety precautions for handling petrol?

Description : What are the safety precautions for handling petrol?

Last Answer : Safety precautions for handling petrol include wearing protective clothing and gloves, storing petrol in approved containers, keeping petrol away from heat and ignition sources, and avoiding inhaling petrol vapors.

What safety precautions should I observe when handling electronics?

Description : What safety precautions should I observe when handling electronics?

Last Answer : Make sure it's unplugged, for one. I don't think that a fan would have much of a static charge to it, but if ever you're suspicious, try grounding it out with an insulated wire or something. ... ), but if you do, look up the Material Safety Data Sheet for it for guidelines on cleaning and disposal.

What are your top 5 safety precautions for the zombie apocalypse tomorrow?

Description : What are your top 5 safety precautions for the zombie apocalypse tomorrow?

Last Answer : 1. This 2. This 3. This (not my picture) 4. This (also not my picture) 5. And my trusty sidekick (sadly, not my picture)

Do you feel our government (America) allowed BP to drill without safety precautions to get campaign donations?

Description : Do you feel our government (America) allowed BP to drill without safety precautions to get campaign donations?

Last Answer : I think that the climate at the time the permit was granted was pro-business.

What safety precautions are required when owning a swimming pool?

Description : What safety precautions are required when owning a swimming pool?

Last Answer : You know, having a pool is a lot of fun in the sun, and taking care of yourself is just part of it. But there's more to it than water chemistry and novelty floats with stunning cup holders. A ... your pool acts, including you.The worst-case scenario is drowning. It's also easy for people to slip

What are the safety precautions for using standby generators at home?

Description : What are the safety precautions for using standby generators at home?

Last Answer : You'll want to follow all manufacturer guidelines and suggestions. For all generators, you'll want to make sure there is proper ventilation and that the gasoline used to power it is stored properly.

What safety precautions should I take when using portable fans in a child's room?

Description : What safety precautions should I take when using portable fans in a child's room?

Last Answer : Use a fan with a safety grill that prevents things from being stuck into the blades (fingers, paper, the cat, etc.) Use a low profile model, as opposed to a stand, to prevent accidents from the ... you have concerns about the child being in the room with the fan, don't leave the child unattended.

What safety precautions are required when transporting oxygen concentrator equipment?

Description : What safety precautions are required when transporting oxygen concentrator equipment?

Last Answer : An oxygen concentrator takes oxygen from the air we all breathe and concentrates it. Unlike a tank of concentrated oxygen it has little risk of causing an explosion or a fire. In fact oxygen concentrators are the preferred system for rescue personell because there is far less danger to the operator.

What safety precautions do I need to take with an outdoor fireplace?

Description : What safety precautions do I need to take with an outdoor fireplace?

Last Answer : Use safety gloves to protect your hands, have a source of water nearby, avoid using in enclosed spaces, place it at least 10-15 feet from the house or other flammable materials and keep the ... also important to make sure that the seats around the fireplace are not too close to the flames.

What are the safety precautions for using oxygen concentrator equipment?

Description : What are the safety precautions for using oxygen concentrator equipment?

Last Answer : Here are several suggestions: Post “Oxygen in Use” and “No Smoking” signs throughout your house. Check that working smoke detectors are present throughout your home. Notify your local Fire Department ... the oxygen tanks secured in an upright position in a well ventilated area at all times

What safety precautions do you need to take for home oxygen equipment?

Description : What safety precautions do you need to take for home oxygen equipment?

Last Answer : The most important thing is DON'T SMOKE! This can kill you. Also notify the fire department you use oxygen. If you use an electrical concentrator, also notify the power company.

What safety precautions do I take when building an above ground pool deck?

Description : What safety precautions do I take when building an above ground pool deck?

Last Answer : You need to have a stable foundation and also Fencing. Your city department will give you all the plans you need for this.

What are boom truck safety precautions?

Description : What are boom truck safety precautions?

Last Answer : All lifts have a certain degree of unsafeness. However if using proper steps and a little common sense noone should get hurt. First off always make sure your feet are planted firmly on the ground at ... point. For a full list of precautions visit this website. http://www.buckettrucks.org/safety.htm

List the safety precautions to be observed when replacing a fuse.

Description : List the safety precautions to be observed when replacing a fuse.

Last Answer : Be sure the power is off in the circuit and the circuit is discharged before replacing a fuse. Use an identical replacement fuse if possible. Remove any corrosion from the fuseholders before replacing the fuses.

List the safety precautions to be observed when checking fuses.

Description : List the safety precautions to be observed when checking fuses.

Last Answer : Turn the power off and discharge the circuit before you remove fuses. Use a fuse puller (an insulated tool) when you remove fuses d. Not acceptable-lower voltage rating e. Direct replacement

List the 11 safety precautions for multimeters

Description : List the 11 safety precautions for multimeters

Last Answer : a. Deenergize and discharge the circuit completely before connecting or disconnecting a multimeter. b. Never apply power to the circuit while measuring resistance with a multimeter. c. ... a multimeter. k. Observe the general safety precautions for electrical and electronic devices.

List the four safety precautions observed when using a megger.

Description : List the four safety precautions observed when using a megger.

Last Answer : a. Use meggers for high-resistance measurement only. b. Never touch the test leads when the handle is being cranked. c. Deenergize and discharge the circuit completely before connecting a megger. d. Disconnect the item being checked from other circuitry, if possible, before using a megger

List the four safety precautions observed when using ohmmeters.

Description : List the four safety precautions observed when using ohmmeters.

Last Answer : a. Deenergize and discharge the circuit before connecting an ohmmeter. b. Do not apply power to a circuit while measuring resistance. c. Switch ohmmeters to the OFF position, ... d. Adjust the ohmmeter after changing resistance range and before measuring reading indicates the resistance.

List the six safety precautions for the use of voltmeters.

Description : List the six safety precautions for the use of voltmeters.

Last Answer : a. Always connect a voltmeter in parallel. b. Always start with the highest range. c. Deenergize and discharge the circuit before connecting or disconnecting the voltmeter. d. ... to measure ac voltage. f. Observe the general safety precautions of electric and electronic devices.

List the six safety precautions for the use of ammeters

Description : List the six safety precautions for the use of ammeters

Last Answer : a. Always connect a voltmeter in parallel. b. Always start with the highest range. c. Deenergize and discharge the circuit before connecting or disconnecting the voltmeter. d. ... to measure ac voltage. f. Observe the general safety precautions of electric and electronic devices.

When should safety precautions pertaining to batteries be observed?

Description : When should safety precautions pertaining to batteries be observed?

Last Answer : .At all times.

What safety precautions need to be taken during maintenance on batteries?

Description : What safety precautions need to be taken during maintenance on batteries?

Last Answer : The room needs to be ventilated to prevent explosions due to gases generate by the battery. Protective clothing, gloves and eye protection should be used to prevent acid splash ... flashover. When disconnecting batteries, always disconnect negative terminals first and vice versa when reconnecting.

What are the safety precautions will you take before re-filling the hydraulic reservoirs?

Description : What are the safety precautions will you take before re-filling the hydraulic reservoirs?

Last Answer : The safety precautions for servicing of hydraulic reservoirs can be stated as below: a. Hydraulic system depressurized. b. All slats and flaps are retracted. c. Thrust reverser is closed. d. Landing gear doors closed. e. Cargo doors closed.

In case new installation is to be done, what basic guidelines should be followed for grounding?

Description : In case new installation is to be done, what basic guidelines should be followed for grounding?

Last Answer : a. Earthing conductors in outdoor areas shall be burried 500 mm below finished grade level unless stated otherwise.  b. Minimum 6000 mm spacing between rod pipe electrode shall be provided unless ... pipe or plate electrode treated earth pit, which in turn shall be connected to station earthing.  

Which of the listed safety features should be provided in small rooms or lockers where batteries are stored? A. Installation of a fixed CO2 system. B. An exhaust duct is to be provided and led from within three inches of the deck. C. Power ventilation is to be provided if trickle charging is utilized. D. An exhaust duct is to be provided and led from the top of the locker to the open air.

Description : Which of the listed safety features should be provided in small rooms or lockers where batteries are stored? A. Installation of a fixed CO2 system. B. An exhaust duct is to be provided and led from within ... An exhaust duct is to be provided and led from the top of the locker to the open air.

Last Answer : Answer: D

Whether safety report and safety audit report are needed for every MAH installation OR how does an occupier know whether he has to get the safety report and the safety audit report prepared?

Description : Whether safety report and safety audit report are needed for every MAH installation OR how does an occupier know whether he has to get the safety report and the safety audit report prepared?

Last Answer : No. It is not required for every MAH installation. The Safety Reports and Safety Audit Reports are required to be prepared by an occupier of higher-tier factories

What is the factor of safety used for current ratings in a power installation?

Description : What is the factor of safety used for current ratings in a power installation?

Last Answer : 2 is the factor of safety used for current ratings in a power installation.

State types of maintenance. Explain each with example.

Description : State types of maintenance. Explain each with example. 

Last Answer : Maintenance are classified as below:- 1. Preventive Maintenance (PM) 2. Routine /daily maintenance 3. Periodic maintenance/Time based maintenance (TBM) 4. Predictive maintenance (PDM) 5. ... by the manufacturer. It involves partial or complete dismantling of the equipment/machine and overhaul.

State the methods of Neutral Grounding. State difference between Earthing and grounding.

Description : State the methods of Neutral Grounding. State difference between Earthing and grounding. 

Last Answer : Neutral Grounding connections are of three types:  1. Solid earthing 2. Resistance earthing 3. Reactance earthing SR. NO. Earthing Grounding 1 Earthing means connecting the dead part ... earthing provides suitable means for earth fault protecting system.  10

State the basic requirements of foundation for :(i) Static equipment’s (ii) Rotating equipment’s

Description : State the basic requirements of foundation for :(i) Static equipment’s (ii) Rotating equipment’s

Last Answer : Following are the basic requirements of foundation to be considered in designing the machine foundation for :(i) Static equipment's (ii) Rotating equipment's  1. Depth of foundation should be ... it.  11. The dimension of foundation should be proportional to safe bearing capacity of soil.

State the methods used to measure insulation resistance and explain Dielectric Absorption method.

Description : State the methods used to measure insulation resistance and explain Dielectric Absorption method.

Last Answer : There are three types of tests for measuring insulation resistance:  1. Spot test reading or Short Time test  2.Time-resistance test or Dielectric absorption test or Testing methods based on the PI & DAR  3. ... and if value of PI is less than 2 and value of DAR is less than 1.25

State and explain properties of transformer oil.

Description : State and explain properties of transformer oil.  

Last Answer : Following are the properties of transformer oil:-  1. Dielectric strength :- It should be have a high dielectric strength  2. Specific resistance:- It should be have a high Specific ... be not contain impurities such as sulpher & its compounds to avoid rusting & sludge formation. 

State the procedure for developing preventive maintenance schedule.

Description : State the procedure for developing preventive maintenance schedule. 

Last Answer : Procedure of PM is as below:-  Step 1:- Inspection: What to inspect and how to inspect? Maintenance engineer / team should inspect the plan under working condition. Prepare the check ... :- Check the availability of trained & skilled technician to do maintenance before starting the work.

State the objective of testing. Explain the role of BIS (Bureau of Indian Standards) in testing of electrical machines.

Description : State the objective of testing. Explain the role of BIS (Bureau of Indian Standards) in testing of electrical machines. 

Last Answer : 1. Objective of testing is to finding error/defects in machine/equipment/ product. 2. To confirm whether the results obtain during testing are within tolerance limits specified by BIS / ISS 3. To ... BIS/ISS specified standards. 5. To avoid in convinces & accidents BIS plays important role.  

State any one application of each tool : (i) Earth tester (ii) Megger (iii) Bearing puller (iv) Growler

Description : State any one application of each tool : (i) Earth tester (ii) Megger (iii) Bearing puller (iv) Growler 

Last Answer : i) Earth Tester :- It is used to measure earth resistance.  ii) Megger :- Megger is used to find out (measure) insulation resistance of electrical machine/equipment.  iii) ... is an electrical device used to find out shorted turn faults in armature winding and stator winding of motor.

State any four advantages of preventive maintenance.

Description : State any four advantages of preventive maintenance. 

Last Answer : Following are the advantages of Preventive Maintenance:- 1. It increases life of machine/equipment. 2. It prevents premature failure. 3. It keeps the machine in good working condition by reducing wear and ... more expensive than the same job done PM/preplanned (and may take 10 times longer).

State the need for strictly following safety rules while working in electrical installations.

Description : State the need for strictly following safety rules while working in electrical installations. 

Last Answer : Need for strictly following safety rules while working in electrical installations: 1. To avoid the electrical shock to the human being and to provide safe guard. 2. To minimize the chances ... of the electrical devices. 5. To minimize the chances of mechanical and electrical accidents. 

Pick out the wrong statement. (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid (B) Chemically unreactive nature of red phosphorous is due to its polymeric structure (C) Red phosphorous is the most reactive allotropic form of phosphorous (D) Red phosphorous, which is used in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation

Description : Pick out the wrong statement. (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid (B) Chemically unreactive nature of ... in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation

Last Answer : (C) Red phosphorous is the most reactive allotropic form of phosphorous

There is a door, on the side of the door that you are on, there is a skeletal army ready to trample you underneath their feet, on the other side is a city with a wall that will keep you safe. You need to get in the door but there is some sort of code to get into safety; one man goes to the door, and the doorkeeper says 'eight' and the man says 'five' he lets him in. The second man goes up to the door and the doorkeeper says 'nine' and the second man says 'four', and he lets him in. Finally, it's your turn, you only get one chance to guess. The doorkeeper says 'twenty one'. What do you say to get to safety? -Riddles

Description : There is a door, on the side of the door that you are on, there is a skeletal army ready to trample you underneath their feet, on the other side is a city with a wall that will keep you safe. ... get one chance to guess. The doorkeeper says 'twenty one'. What do you say to get to safety? -Riddles

Last Answer : You would say 'nine' as, 21 is nine letters long. It's quite simple actually. Eight is five letters long hence 'five' and nine is four letters long hence the word 'four'.

State any four precautions to be taken while plastering.

Description : State any four precautions to be taken while plastering.

Last Answer : i. Before application of the plastering, the surface must be clean and free of dirt, oil, or other elements which may interfere with bonding. ii. Smooth or non-absorbent surfaces should be prepared. iii. ... or vertical line at the end of the day or if work requires to be suspended for any reason.

State any four precautions to be taken while marking layout on ground.

Description : State any four precautions to be taken while marking layout on ground.

Last Answer : The necessary precaution to be taken while marking layout on ground are as follows 1. All vertical wooden post should be firmly fixed into the ground with concrete and curing should be done to the ... the face line or center line correctly. 19. Use proper or correct plumb bob for centering. 

State any four precautions to be taken while using an Ammeter and Voltmeter.

Description : State any four precautions to be taken while using an Ammeter and Voltmeter. 

Last Answer : Precautions to be taken while using Ammeters: Ammeters are to be connected in series of circuits. 1. While connecting ammeters across emf source always a series resistance should be used. This ... first &then range should be decreased. 4. Loading effect can be minimized by using high sensitivity