Answer / mike

ActivityFootcandlesLux Hallways5-755-75
Entertaining10-20110-215 Dining10-20110-215 Easy
reading20-50215-540 Bathroom20-50215-540 Kitchen—basic
lighting20-50215-540 Kitchen—food prep50-100540-1075
Difficult reading or writing50-100540-1075 General workshop
lighting50-100540-1075 Fine or detailed work100-2001075-2150
- See more at:
http://www.the-house-plans-guide.com/lighting-calculation.html#sthash.RScVEhq0.dpuf

Answer / gallabhaskar84

waiting for the answer

why does in transformer the v/f ratio constant?

2 Answers   TATA,

---

what is meant by skin effect ?

3 Answers  

---

How can transformer oil be used in transformers with voltage rating above its breakdown voltage?

2 Answers  

---

how many types of accuracy class in ct? what is meaning of 5p20?

1 Answers  

---

Why in a three pin plug the earth pin is thicker and longer than the other pins?

18 Answers   LG, NTPC,

---

Why dc voltage used to excite alternator field in stead of ac?

4 Answers  

---

how can we select the rating of Load break switch that is connected to the primary protection of 200 kva 11kv/415v distribution transformer?? step by step calculated answr pls...thnk.u

2 Answers   Maruti Suzuki,

---

How do we find the rating of a transformer, if it got burnt badly.

0 Answers  

---

what is the difference between ups & inverter

4 Answers   Cushman Wakefield, Dana Group,

---

why swityard is necessrry requirement in any bis power distributin systems?

0 Answers  

---

what is use of lockout relay in ht voltage

2 Answers  

---

what is soft starter?working principle?where it can use?

3 Answers  

---