- Electric motors must be according to MG-1 NEMA standard.

- All electric motors must be suitable for continuous operation.

- Engines should not have a service factor of less than 1.15.

- When there is a possibility of water spraying, the electric motors should be of TEFC type.

- When there is uncertainty in the supply of electricity, a spare power source must be provided.

- When the generator is used to supply electricity to the electric pump, the energy source must meet the requirements of the NFPA 110 standard.