Black White Pumps
Black White Pumps

On a pump should the neutral (white) be shorted to the power wires (black and red).?
I kept blowing a 20A fuse and when i disconnect the pump from the circuit board of my jacuzzi it doesnt blow. So, i got out my trusty multi-meter and found that white was shorted to the black and red (when disconnected from the circuit board). I dont work with neutral just normal groun so im kinda scratching my head. Any help will be greatly appreciated.
The only colors of insulation allowed by the NEC for the grounded conductor (“neutral”) of an electrical system are white or gray.
The grounded conductor shall never be switched, or be installed so that it is protected by the Overcurrent Protection Device (Circuit Breaker or Fuse).
The only color allowed for an equipment grounding conductor is green, or in some cases, bare copper. If your house is wired with Type NM cable, the grounding conductor will be bare copper. In some cases, the conductors of a cable system (Types NM, AC, and MC, for example) are allowed to be reidentified.
NEVER, UNDER ANY CIRCUMSTANCES just randomly decide to increase the ampacity of a circuit breaker or fuse. This is almost always illegal, and almost always results in the overcurrent device not opening when it is supposed to. This allows the conductors to overheat, which leads to making the local firefighters leave the table in the middle of a meal in order to save the life and property of someone who listened to bad advice.
If you live in the USA, the pump motor shall be listed [NEC 110.3(B)] to US Standards, and should have a label from a Nationally Recognized Testing Lab (NRTL) placed on it somewhere where it is clearly visible. (This does NOT include a listing mark from CSA, or TUV, unless it is followed by the letters “US”.) If you live in Canada, the same applies; you should see a CSA Mark, or the Mark “UL-Canada”, or “UL-C”.
Most GFCI protective devices do not function when two circuits “share” a “neutral” (really, it is the GROUNDED conductor). When a three wire “network” is used, the grounded conductor must be installed in such a manner that removal of a device from the circuit will not disconnect the “neutral” conductor. This will cause the rest of the devices on both circuits to suddenly be supplied with 240 Volts; not a good or safe situation. All hydromassage tubs require GFCI protection, if the motor is labeled “Double Insulated”, it may not require bonding to the (metallic) water lines; but, if there is a bonding lug on the pump, use it (with a copper conductor not smaller than #8 AWG) anytime you have the tub installed with metallic water lines. Use a listed clamp to bond the conductor to the water line, and install it correctly.
The grounded conductor is always carrying some amount of current, whenever the circuit is being used. It is the “path” that the current uses to return to its source (the panel or load center). I don’t know of an electrician who has never been shocked from a grounded conductor. The Equipment Grounding Conductor should only carry current in a fault situation. This can be a conductor in the cable assembly, or the metal raceway the conductors are installed in.
Get out the Manufacturer’s Installation Instructions and see if the motor is 120 or 240 Volts (240 does not require GFCI protection). Chances are, it is 120 Volts, with another 20 Amp circuit required for a heater or other accessory. Whoever wired the thing was: A) a little short on knowledge, B) trying to save a few bucks on materials, C) a victim of the public school system who never learned how to read, or D) all of the above.
Have the tub checked over by a qualified, licensed electrical contractor. If he can’t fix it, have the manufacturer send out a factory tech; hopefully having had the unit miswired won’t have done any damage that will cause the warranty to be voided.
You didn’t say if this was a new house. I assumed it was. If the house is old enough to have an ungrounded electrical system, a separate Equipment Grounding Conductor must be run back to the panel, and be grounded in accordance with all of the provisions of NEC Article 250. Without that grounding path, the GFCI will not provide an “equipment ground”.
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Area campgrounds see upgrades, tree cutting
A group of campers from New Mexico stuffs their food inside a bear box, or food storage locker, at Difficult Campground near Aspen on Friday. Matthew Peralta loads the box while, from left, Ian Jackson, Jessica Estrada and Mia Peralta watch.


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