Recommended Practices for High-Voltage Installations

Since 1940 the use of electrical energy in the petroleum industry has increased on the order of 1000 percent. In turn, the utilization of electrical systems and equipment operating at levels in excess of 600 volts has increased apace. Unfortunately, nationally recognized regulations or codes have not been developed at the same rate. Existing electrical regulations have been and still are designed largely to cover equipment operating at 600 volts or less.