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Safety Switches

In industrial settings, safety switches are essential to keeping a workplace free from danger. Machinery, presses, heavy lifts, fuel pumps and other dangerous pieces of electrical equipment must have a safety switch to shut off power when an emergency occurs. Laboratories also need a way to shut down power in an emergency. Circuit breakers may offer protection against sudden power surges, but safety switches are the only way to ensure that a lab technician can have total control over the power in an emergency. Grainger offers safety switches of all types to ensure that your workplace stays accident-free.

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Safety Switches Q&A

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Safety Switches
(11 Questions : 13 Answers)

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I need to switch to my generator power when I have an outage and need to assure that line power is disconnected so I do not back feed to the grid??
1 year, 9 months ago
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Answer: 
By your description, you are not looking for an intrinsically safe switch; you are looking for a double throw safety switch. We do need more information, such as voltage, amperage and number of phases. Please call us at 800-323-0620 so we can discuss your application and get you into the switch that fits your need.

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1 year, 9 months ago
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Answer: 
turn the main breaker off
1 year, 6 months ago
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1 year, 5 months ago
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Answer: 
In order to better assist you we will need additional information. Please call 1-800-Grainger to speak with a Customer Service Agent
1 year, 5 months ago
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Answer: 
You need a transfer switch. Alternately, a panel interlock kit will work. This includes a panel mod that doesn't allow the generator or line power to be on at the same time. It also has a reverse breaker that is a bolt-down style required by the electric codes.
1 year ago
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11 months ago
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Answer: 
There is a lot of information that we need for your installation, that has been left out. Please call us at 1-800-Grainger so we can discuss your installation and recommend products for you to consider.

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11 months ago
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Answer: 
For the generator you are looking for an automatic transfer switch if it is an automatic back up generator, otherwise a regular disconnect would work fine, just rate it appropriate for the power of your generator. For the pool house just run the feed from your existing panel unless the load is too much. Most houses have a 100 or 200amp feed from the utility. If you need more power than that you can have an additional 100amp feed line run from the nearest pole, just contact your utility company.
10 months ago
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and it is the main water shut off valve. when we turn a toggle switch it opens and closes the water supply.when the company is open it is turned on all day.I have a waste water operation in the shop that sometimes floods the pit. i am purchasing p#11k231 from you,so we have an alarm sound when it floods.What i need is a means of shuting off the power to the solinoid valve when the alarm sounds an send the 12-24 volt signal . do you sell a relay that will open up the 120 vac power supply when the alarm goes off?
2 years ago
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Answer: 
Grainger has received your question and due to lack of clarity about which voltage you intend on using for the coil, we are unable to provide an answer at this time.

While we have many relays that can use 120VAC on the coil to shut off a solenoid valve, we also have many relays that can use 24V on the coil. Your question is not clear. Is the control (coil ) voltage going to be 120VAc? If it is 12Volts: Will that voltage be 12VAC , or 12VDC? If 24Volts, will it be 24VAC, or 24VDC?

Please contact us at 800-323-0620 and ask to speak with a Grainger Technical Product Support Specialist in the Electrical department so we may assist you in selecting the proper product.

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2 years ago
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1 year, 11 months ago
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Answer: 
We need more information about your disconnect, such as voltage and amperage. Please call us at 800-323-0620 so we can assist you in selecting the proper product.

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1 year, 11 months ago
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Granger item 5xHP9 disconnect box. What size hole does it have for a padlock... I need it to work with a 7/16" shank padlock??
1 year, 8 months ago
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Answer: 
Grainger has contacted the product supplier and have been advised by them of the following: the locking hasp for the padlock is 5/16".

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1 year, 8 months ago
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1 year, 2 months ago
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Answer: 
Grainger stocks hazardous location switches, none of which are designated intrinsically safe because the power source would be from the device it is controlling, not the switch itself. Please call us at 800-323-0620 so we can discuss your requirements in greater detail.

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1 year, 2 months ago
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This is for a panic situation to get EMS to respond in case of accident at indoor pool. Telephone is too far from pool.
9 months ago
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Answer: 
Grainger does stock switches that have a NEMA 4X rating, that may meet your corrosive needs. To narrow down to a specific switch though, we need to know what mounting style, voltage and amperage you need on the switch. Please call us at 1-800-Grainger so we can discuss your switch in greater detail.

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9 months ago
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I need a flush mount external disconnect switch, my HOA does not allow electrical conduit on external walls, 60A 240V 2-Pole.
Solar system.
8 months ago
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Answer: 
Unfortunately Grainger does not currently stock a flush mounted 60 amp disconnect switch.

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7 months ago
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THE OLD ONE HAD 4 BAA BATTERIES IN IT, ASWELL AS AN ON/OFF SWITCH. WHERE CAN I FIND A SIMILAR DEVICE? THER IS NO ELECTRICITY WHERE THE FIREPLACE IS LOCATED, OUTDOORS IN MY GAZEBO
6 months ago
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In order to better assist you we will need additional information. Please call 1-800-Grainger to speak with a Customer Service Agent. Thank you for using Grainger.com Ask & Answer.
6 months ago
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