TOK99TOTO As the shell may be energized, even with the light switched off, this poses a risk of electrical shock when changing the bulb. This method is therefore prohibited in modern building wiring where Edison screw based lamps are used. For more than two locations, two of the interconnecting wires must be passed through an intermediate switch, wired to swap or transpose the pair.|Pada Putaran Kedua di Balapan Ini