"Pressure in mains during supply. During the whole of the period when a supply of energy is required to be maintained by the Undertakers in the distributing mains under and these regulations........"
"Undertakers to Provide Constant Supply. From and after the time when the Undertakers commence to supply energy through any distributing mains, they shall maintain a supply of sufficient power for the use of all the consumers for the time being entitled to be supplied from such main...."
"Declared pressure at consumer's terminals. The pressure so declared at any pair of consumer's terminals shall not, except by agreement, be greater than 115 volts or less than 45 volts".
Q.1. Where do these requirements come from?
Q.2. From which period do these requirements originate?
Q.3. Dr. Matthiessen's experiments produced a table of what B.A. specifics?
Z.
