Rule Float Switch w/Fuse Holder A-Matic. With these Pump Parts & Accessories by Rule Industries you'll be able to keep your bilge pump running even when it's raining snowing or even anchored out in the middle of the lake. This Rule A-Matic Float-Switch w/Fuse Holder is suitable for pumps that draw up to 20A except the Model 35 which is suitable up to 14A. Plus it has a removable base you can easily remove and clean. A mercury-free snap-switch is included with this combo and it has been tested to over one million cycles so you won't have to worry about it breaking. Defend your boat against anything that gets in the way of a good time on the water with the Rule A-Matic Float Switch w/Fuse Holder. Specifications for Rule A-Matic Float Switch w/Fuse Holder: Manufacturer: Rule Color: Black Voltage: 36 volts 24 volts 12 volts Features of Rule A-Matic Float Switch w/Fuse Holder Volts: 12 24 36v Package Contents: Rule A-Matic Float Switch w/Fuse Holder Rule 35FA: Float Switch w/Fuse Holder A-Matic