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Frequently Asked Questions

What happens when the Utility Power is restored while I'm using my generator and transfer switch?

Gentran Corporation: Generator Transfer switches for home & ...
When your utility power is restored, lights and appliances in your home not connected to generator power will turn on; alerting you that utility power has been restored. Because Gen/Tran PowerStay™ Transfer Switches have interlocking main breakers, the utility power and generator power are never powering those circuits using generator power at the same time. There is no danger of back feeding the utility power. No.

What is a generator transfer switch?

Reliance Controls Corporation | Frequently Asked Questions
A transfer switch isolates those circuits using generator power during an outage from the utility power. This eliminates the risk of back feeding the electric utility, which can cause injuries to utility workers and property damage.

What size of a transfer switch do I need for my generator?

Gentran Corporation: Generator Transfer switches for home & ...
First, the transfer switch you select should match the maximum continuous wattage rating of your generator. For example, if you have a 5000-watt generator, you should select a transfer switch rated at 5000 watts, such as Model 200660. You may also select a transfer switch that has a higher rating than your generator. (Ex: a 5000-watt generator with a 7500-watt transfer switch is OK.) But NEVER install a transfer switch with a lower rating than your generator.

Why does the whole generator GFCI trip on my Honda generator when I use it with my transfer switch?

Reliance Controls Corporation | Frequently Asked Questions
Certain Honda Industrial/Commercial generators have the neutral bonded to ground to pass OSHA inspection on job sites. Since home or building main breaker boxes also have neutral bonded to ground, two parallel paths back to the generator are created, one using the neutral wire and one using the ground wire. The neutral current now flows through both conductors.

Can I hardwire my Reliance Pro/Tran® transfer switch instead of using a power cord?

Reliance Controls Corporation | Frequently Asked Questions
Yes. Even the cord-connected models can be hardwired. Use the cover plate supplied with every unit to cover the power inlet opening.

Does my generator shut off automatically when normal power has been restored?

FAQs at Coastal Service pumps and generators in Clearwater F...
If the generator is connected through a good automatic transfer switch there will be a time delay (usually 5-30 minutes) before it switches back to utility. The generator will run for another five to ten minutes to stabilize internal temperatures before it shuts down.

Can I run my generator for extra power while I'm hooked up to shore power at a campground?

Cummins Onan RV Generators - Frequently Asked Questions
Only if the RV manufacturer has supplied a separate circuit for a second air conditioner. However, in most RVs with two air conditioners, only one will operate while plugged into commercial shore power. By the NFPA code you cannot connect both power sources, generator power and commercial shore power, together. RV electrical systems are designed to separate these two power sources.

I'm already using a code generator. How's this fit in?

SAND Services FAQ
A code generator is anything that automatically writes source code. Code generators range from scripts or wizards that are run once, to sophisticated software tools integrated into the iterative build process, that write all the code necessary for a major portion of an application (a common example is persistency).

Can I use a generator whose wattage exceeds the wattage on the Transfer Switch?

Gentran Corporation: Generator Transfer switches for home & ...
NO. While it might be possible to connect a larger generator to the transfer switch, this is an unsafe and dangerous practice. Supplying more than the rated wattage through the transfer switch could damage the wattmeters, damage the neutral wire, and could overheat the main wiring in the transfer switch, which could cause a fire.

Do you have generator backup power?

Tellurian Networks - Services, Medical Hosting Services: Fre...
Yes. Tellurian Networks has a dedicated 150KVA GenSet back-up generator which is exercised for 30 minutes every Tuesday afternoon at 1:00 PM. An adequate supply of fuel is kept on-site to run the entire data center facility on generator power for over two weeks. Additional fuel can be delivered at any time by Tellurian Networks' contracted fuel vendors.

Can I use a generator whose wattage exceeds the wattage on the Reliance Pro/Tran® transfer switch?

Reliance Controls Corporation | Frequently Asked Questions
This is acceptable for peak wattage but not recommended for running wattage. Pulling more than the rated wattage through the Reliance Pro/Tran® transfer switch could burn out the neutral wire, overheat the main wiring in the transfer switch and cause a fire. To insure proper safety precautions, a suitable double pole breaker should be installed between the generator and the transfer switch when the running wattage of the generator exceeds the rating of the transfer switch.

Top of Page 7. Why does the generator GFCI trip on some generators when used with a transfer switch?

Gentran Corporation: Generator Transfer switches for home & ...
NOTE: AFFECTED MODELS ONLY INCLUDE: HONDA Models EB3500XK1, EB5000XK1, EB6500SX, EB12DAG, Arctic Cat Model 1999 AC7500GD2EB and some models from Briggs and Stratton. The Honda EB (Industrial/Commercial) series generators listed above have their neutral wire bonded to the ground wire to pass OSHA inspection on job sites. Since home and building main load centers also have the neutral bonded to ground, a loop is created, comprised of the neutral wire and the ground wire.

I am using Rotameters, Why should I switch?

Flow meter, mass flow controller, mass flow meter, flowmeter...
If you want an electronic output: then you can obviously not use a rotameter. Switching is an easy choice here. Try this experiment with your rotameter: Hook your rotameter inlet to the outlet of a variable valve with a pressure of at least 30 PSIG. Adjust the indicated flow of the rotameter so that the ball is at about 60% of the scale height. Once the ball is steady, gently hold your finger over the OUTLET of the rotameter and watch the ball drop to less than 40% of what it was.

Can you tell me exactly when my power will be restored?

KCP&L, Kansas City electric company
Several factors are involved in service restoration efforts that affect our ability to predict when restoration will occur. When a crew arrives to make repairs, it must investigate the outage's cause. The crew may encounter complex problems that require additional time, equipment or crews. Field crews do, however, radio back status information and restoration efforts on area problems. You can check Storm Restoration Updates to see where crews are currently working.

How do I get ready for power to be restored?

FPL | Frequently Asked Questions About Hurricanes
If you were cooking when the power went out, these appliances may still be turned on, and may be a fire hazard.

Is power restored 24/7?

FPL | Frequently Asked Questions About Hurricanes
Power is restored around the clock. While a majority of crews work 16 hour days - when the damage is more visible - three very important things happen at night: Crews of specialists route power to sections of the grid that were repaired during the day. That is why many customers get their power back at night.

What do I do if my power goes out? How fast will it be restored?

SRP: Frequently asked questions
Call us to report the outage anytime of the day or night at (602) 236-8888. We will provide you with as much information as we have about what's going on and when your power might be back on. Time to restore power will vary depending on the cause of the outage, but most power is restored within two hours.

Which Power Inlet Box can I use with each Reliance Pro/Tran® transfer switch?

Reliance Controls Corporation | Frequently Asked Questions
A four-wire, twist lock connector is needed. Reliance manufactures suitable Power Cords with a male connector on one end and a female connector on the other end. The four wires consist of two 120-volt "hot" lines, one neutral and one ground. The main difference is that the Pro/Tran® Series can easily be either hard-wired to a remote power inlet box or cord-connected to the generator, whereas the Gen/Switchâ„¢ was designed to be only cord connected.
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