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How to Find & Turn Off Electricity to the Water Pump WaterAPedia © Enter your search terms Submit search form   Search This Website - InspectAPedia.com

• How to Find the Water Pump Switch, How to Turn Off Power to the Pump, how to turn off power safely, what to do in an emergency
• What are the controls, switches, valves found on water tanks and water pumps, what do they do, how are they repaired?
• Well pump & water tank diagnosis & repair procedures

This article describes How to Find the Water Pump Switch, How to Turn Off Power to the Pump. Readers of this document should also see Water pump and pressure tank repair diagnosis & cost an specific case which offers an example of diagnosis of loss of water pressure, loss of water, and analyzes the actual repair cost. © 2008 Daniel Friedman, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use links at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

WATER PUMP ELECTRICAL ON-OFF SWITCHES - Another Way to Turn Off the Water

Most water pumps can be turned off electrically at two locations: a switch located near the water pump or tank, such as shown the photo here and as the silver-colored electrical switch at left in this close up photo and also at the building's main electrical panel (where hopefully you have labeled the water pump circuit breaker or fuse). In an emergency such as a burst water pipe or when you are repairing water system components and need to turn off the water pump, you can usually simply switch the pump power switch to the "off" position. To avoid flood damage to unoccupied buildings especially in freezing climates, we often leave water pumps turned off both at the water valve and the pump electrical switch when a building is going to be left unoccupied and un-monitored. But watch out! If the building is heated by a hot water or steam system, it may be necessary to guarantee that makeup water can be added to the heating boiler (automatically or manually) during the heating season. Leaving the water turned "off" during winter risks loss of heat or boiler or building damage if the boiler can't be kept properly supplied with water. In these cases we may send a dedicated water line to the heating boiler and install valves to turn off water to the remaining building areas as a step in reducing the risk of water damage due to burst water piping or fixture leaks.

This photo shows what appears to be a Square-D control panel with a lever along the box right side. To turn off power to this pump the lever is pulled down to the "OFF" position. In this installation we may not see an ordinary wall mounted electrical toggle switch like those shown earlier in this article.

You'll notice a couple of questionable installation details here that suggest amateur and maybe not so safe workmanship: none of the electrical wiring has been secured to the wall and it looks a bit sloppy, and we also see that an electrical outlet has been connected and fed out of the pump control switch - possibly making improper use of this switch and the pump circuit.

Safety warnings DO NOT TOUCH any electrical switch if you are standing in water or on wet ground since you could get shocked or even killed. If, for example, there is a puddle around the pump's electrical switch, we'd prefer to go to the electrical panel (presumably at a more dry location) to shut down electricity to the water pump. If all of the floors are wet we might have to use a dry wooden stick or broom handle to carefully push the pump switch to the off position if we didn't want to touch it directly.

What if We Cannot Find the Switch to Turn Off the Water Pump?

Some water pump installations omit an ordinary wall switch to turn off power to the pump, particularly if the water tank and pump controls are installed close to the main electrical panel. Actually this is probably a violation of the U.S. and Canadian electrical codes since circuit breakers and individual fuses are not intended to serve as equipment operating switches. You can see an installation like this in this photo where we found no pump control electrical switches except in the electrical panel visible in the photo's upper left corner.

Or a separate heavy duty pump relay switch may be installed and no local visible toggle power switch may be present. Pump relays are discussed at PUMP RELAY SWITCH.

Water pump fuse panels: Other water pump installations use a local fuse panel dedicated to the water pump. On these installations the water pump may be switched off by pulling a lever on the side of the fuse box.

Safety warning live voltage is inside of all of these pump switches - and is a shock hazard. When you don't see an ordinary wall switch to turn off the water pump you're probably safer going to the electrical panel where you can turn off power to the water pump by switching off the appropriate circuit breaker or pulling the appropriate fuse.

Water Tank Maintenance & Repair Chapter Index

Use links just below or at the left of each of the pages at our website to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

PLUMBING TOPICS
OIL TANKS
SEPTIC SYSTEMS
WATER PRESSURE REPAIR GUIDE & COSTS
WATER PRESSURE LOSS DIAGNOSIS GUIDE
WATER PUMPS & TANKS & WELLS
WATER PUMP CONTROLS & SWITCHES
  IDENTIFY WELL PUMP TANK COMPONENTS
  MAIN WATER SHUTOFF VALVE
  PUMP ELECTRICAL SWITCHES
  PUMP PRESSURE CONTROL
    WATER PUMP PRESSURE CONTROL ADJUSTMENT
    WATER PUMP PRESSURE CONTROL REPAIR
    WATER PUMP PRESSURE CONTROL REPLACE
  PUMP RELAY SWITCH
  TANK AIR VOLUME CONTROLS
  TANK AIR INLET VALVE
  TANK AIR VALVE REPAIRS
  TANK PRESSURE GAUGE
  TANK DRAIN VALVE
  TANK RELIEF VALVE
  CHECK VALVES
  WATER FILTERS
PUMP TYPES & LIFE EXPECTANCY
WATER PUMP & TANK SAFETY
WATER SUPPLY & DRAIN PIPING
WATER TANK TYPES: WATER, OIL, EXPANSION, ALL
WATER TANK LIFE EXPECTANCY
WATER TANK REPAIRS
WATER TANK AIR, HOW TO ADD
WATER TANK PRESSURE CALCULATIONS
WATER TANK SIZE & VOLUME
WATER TANKS HOW THEY WORK
WATER TESTING
WELLS CISTERNS & SPRINGS
WELL, PUMP, TANK LIFE EXPECTANCY

Technical Reviewers & References

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