Cost-Benefit Analysis and Emission Reduction of Energy Efficient Lighting at the Universiti Tenaga Nasional

Figure 3

(a) Philips fluorescent tube 36 W 4 feet, (b) Philips compact fluorescent light (CFL) bulb 14 W fitting E27, (c) Philips 36 W/4 Pin fitting 2G11, and (d) Philips PL-C 13 W 2 Pin fitting G24.

(a)

(b)

(c)

(d)