ECN Forum Forums General Topics of the Trade Non-US Electrical Systems & Trades Streetlighting Innovations?

What is the maximum lenght of your feeder on streetlight from the KWHmeter? Using 230V; single phase

given the ff data.

a)250W metal hallide - (what is the max/min spacing and height)

b)23W compact flourescent lamp( mostly spherical parklamps)

any innovations?