VARNISHED CAMBRIC
Linerless Insulating Rubber Tape

Which control box do I need? Generally speaking, pump control boxes are selected by matching them to the horsepower, voltage, and phase of your submersible motor. Most all traditional systems are going to be single phase 230-volt applications so in most instances it comes down to matching them to the horsepower. In situations when there is overlap such as the 1hp models you can choose a QD or Standard control box. The choice usually comes down to preference. The QD box may be cheaper but the standard box will provide more room for wiring and has overload protection built in.
What is Polyethylene Tape used for?
Just from looking at the roll, it is very hard to tell what type of rubber is used on the tape. Look at the figure to the right, and this same picture can be used to describe every type of rubber-tape below. The key is to ask the supplier what type of rubber adhesive is used. Like acrylics, rubber adhesives can be divided into two subgroups: Natural and Synthetic