Lighting Design of a Room Using Manual Calculations for Electrical Engineering

[@EngrAhmedMahdy]

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[@hederyat6161]

Could you please give me your email address, i really want to contact you to make enquiry about your course.

[@paramchauhan382]

sir, with all of my respect, thankyou so much, you are the only one who teaches this stuf in this detailed practicality. thankyou

[@EngrAhmedMahdy]

Thank you. I really appreciate your wonderful feedback. I try to post helpful practical content as I can on the channel.

[@mohameddeik9556]

thank you eng ..keep it going

[@EngrAhmedMahdy]

🙏🙏

[@tesfayemokonin7519]

Good deed!please share me how to assume or calculate the meter linear for pvc or cable in the given area!

[@noname-ug2qx]

N - should be 26.04 (total No. of lamps)

[@senthivelgopal567]

hello sir..its very usefull. r u taking class for smartplant electrical

[@EngrAhmedMahdy]

Hey Gobal, unfortunately, I don't have any classes about SPEL, but when I do, I will definitely post it in the community :)

[@siyamahmed6878]

Light Source Color 830 is short way of representing CRI 80 and CCT 3000K. Correct me if i am wrong

[@EngrAhmedMahdy]

Hey Siyam, Nope, look at the corresponding values of CRI and CCT for each code, you will find it is not always the case: www.bltdirect.com/lampcolourtemperatures

[@ahmadqadir1971]

Please explain to me how to get value of UF=0.5 and MF = 0.8 ? because I am still confuse it.

[@abdullahmasroor9522]

Random Values Utilization factor is normally given by the manufacturer maintenance factor is the value used to compensate for the lamps getting dirty and all. The lower the MF the higher the number of lamps.

[@jerryjuguilon3130]

You don't consider the length of luminaire

[@EngrAhmedMahdy]

Hey Jerry, This example is for illustrating the manual calculations procedure. You can assume that the luminaries are of the spot type. However, in practical design, we don't manually design the lighting in a room as explained. We actually utilize the Dialux Evo software to do this required procedure.

[@johnphilip7084]

For residential apartment how it be for lux Residential spaces: a. Living room - 100-200 lux b. Bedroom - 200 lux c. Kitchen - 300- lux d. Bathroom - 300 lux will this be enough

[@EngrAhmedMahdy]

Hey John, Usually when designing the values can be found in the electrical codes like IEC and your country electrical code to get lux range for each room. I can't attach an image to the comment to help you.