Generators and Power Quality
How to Select the Right Generator for Your Home Electrical Requirements
Select Your Generator Carefully
Generator Question: I was wondering if a generator could be hooked up to a hot tub for emergency heating only.
The hot tub requires a 50 amp breaker and pulls about 4500 watts with everything running.
What size of portable generator would be required and any special wiring needed?
This electrical question came from: Joe, a Homeowner from Iowa city , IA
Thanks for your electrical question Joe.
Generators for Home Electrical Power
A few things to consider for this hot tub generator application:
- The generator power would be required to provide a 4-wire 50 amp GFCI circuit and be capable of handling the surge power of 4500 watts and the starting amps of the pump motor.
- It would be best to take the exact electrical specifications to your proposed generator supplier and have them tell you if they have a generator that would be able to provide the adequate capacity required when all of the hot tub functions are activated all at the same time.
How to Select the Right Generator for your Home Electrical Requirements
- Understand that not all generators are alike and some will not work with electrical heating loads or motor loads such as pumps, especially well pumps.
- Other considerations would be electronic controls where voltage fluctuations are not permitted so voltage stabilization will be required of the generator.
- Even equipment such as your hot tub most likely has solid state controls for the various functions which will require clean stable power.
- A generator must be carefully selected so that the power quality and quantity will be compatible with all of the characteristics of your types of electrical loads.
This series covers a wide variety of topics all about home generators including sizing, selecting, connecting and safely operating this all important addition to your home.
Wiring a Hot Tub
Hot Tub Wiring Diagram Information
Electrical Codes and Details for Spa and Hot Tub Wiring. Essentials for your installation, including the required GFCI ground fault protection and circuit wire size.
Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
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This is a testing tool that I have had in my personal electrical tool pouch for years, and is the first test tool I grab to help identify electrical wiring. It is a Non-contact tester that I use to easily Detect Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.
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Strip Off Wire Insulation without Nicking and Damaging the Electric Wire!The Wire Stripper and Wire Cutter
My absolute favorite wire stripping tool that I have had in my personal electrical tool pouch for years, and this is the tool I use to safely strip electrical wires.
This handy tool has multiple uses:
The wire gauges are shown on the side of the tool so you know which slot to use for stripping insulation.
The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets..
The wire stripper will work on both solid and stranded wire. This tool is Very Handy and Easy to Use.
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