1. (a) Check valves.

   1. (1) Submersible pumps shall have no less than two (2) check valves installed.
   2. (2) One (1) check valve must be installed above ground.
   3. (3) Submersible pumps used for irrigation are excluded from this requirement.

2. (b) Wire. Wire shall be secured to the drop pipe in a manner that will:

   1. (1) Support the weight of the wire; and
   2. (2) Keep the wire close to the pipe.

3. (c) Torque arrestors and cable guards.

   1. (1) Torque arresters and cable guards shall be used on all submersible installations.
   2. (2) Torque arresters are not required for pump installation using steel pipe or schedule 80 PVC.
4. (d) Clamps. All clamps used shall be all stainless steel.

Codification Notes: "PVC" means polyvinyl chloride.