Electrical Systems-Chapter 17 Pools and Fountains

drain

A ___________ is required at the low point of the each recession that houses dry-niche luminaires

double, cord

A cord connected pump is often used with storable pools. The pump should be ___________ -insulated and have an equipment grounding conductor in its ________

control circuitry

After checking the line and load sides, what should you check next?

isolate, jumper

After verifying that voltage is present in a power circuit, i need to then ______________ the control circuit from the power circuit using a ___________

underwater luminaires

All _____________ ______________ require GFCI protections

enclosures, equipment

All electrical ____________ and ___________ near a pool must be grounded

5'

All fixed metal parts within _______ of the inside edge of the pool walls must be bonded together

Luminaire

Another word for light fixture

7'-6"

Any light fixtures or paddle fans located within a 5' perimeter of the hot tub must be ____________ above the maximum water line

10 feet, GFCI

Any receptacles and switches within ________ feet of an indoor spa and hot tub unit must be ___________ protected

the clearances specified in section 680.8 are maintained

Conductors that are owned by an electric utility can be located over a pool as long as ___________

corrosion-resistant

Deck boxes must be constructed of ____________-_____________ material

they do not pose a tripping hazard

Deck boxes used for connections to underwater luminaires must be installed in a location where__________

rated maximums

Do not "push" the equipment beyond it's _____________ _____________

Underwater luminaires, all electrical equipment within 5' of the pool, all recirculating system equipment, junction boxes, transformer enclosures, panels that supply electrical equipment for the pool but are not part of the service equipment

Example of items that must be grounded

Forming shells of underwater light fixtures, drains, reinforcing bars in concrete, metal pool framing, ladders and handrails, metal deck boxes, transformers, enclosures, diving board frame, pumps and pump motors, metal conduit, metal pool cover components

Examples of items that typically should be bonded

4", 4'

Except when supplying dry-niche luminaires, a deck box must be elevated _____" or set back ______' from the pool's edge

short circuit, current surge

Failure of a protective device is usually the result of either a _____________ __________ or a ____________ __________

distinct part

Following the process of elimination, after checking the power connections to the supply, circuit breakers, and fuses, you should then check each _________ __________ of the equipment

1.) The lamp must operate at 15 volts or less, 2.) the lens, body, and transformer must be impact resistant, 3.) the assembly must be listed for its purpose and cannot have exposed metal parts, and 4.) the transformer must be identified for its purpose and must be an isolated winding type with a grounded metal barrier between the primary and secondary windings

For a cord and plug connected luminaire to be installed in the walls of a storable pool, what conditions must be met?

6 feet

For indoor hot tub and spa units, they must be no less than _________ feet from any receptacles in the same room

The luminaire is GFCI protected AND the luminaire is totally enclosed

For indoor pools, the required height of a luminaire above the maximum water level can be reduced to 7'-6" IF

service, panel board

For outdoor spa units, if the assembly includes a factory supplied panel, it can be connected to the _________ or main ____________

6 feet, GFCI

For permanently installed pools, a receptacle used to power the water pump motor is required to be at least ____ feet from the pool and ___________ protected

12 feet

For pool area lighting, code allows light fixtures (luminaires) to be installed directly above, or within 5 feet horizontally from the inside wall of a pool, as long as the luminaire is at least _________ feet above the maximum water level

18 inches

For under water lighting, luminaires must be installed at least ________ inches below the normal water level of the pool

possibility

For underwater lighting, luminaires must be designed so that there is no _______________ of shock hazard, even without GFCI

150

For underwater lighting, the circuit supplying the luminaires cannot be over __________ volts

instruction booklet

Hold on to the test equipment _________________ ________________ and refer to it when necessary to ensure the equipment is being used correctly and operating accurately.

15

If a flush deck box is potted, it can be used for lighting operation at ______ volts or less

brass

If the conduit is metallic, it must be made of ___________ or other corrosion-resistant material

voltage carried through the line

In section 680.8 of the code, the required clearance for overhead conductors depends on the ________

cuts, abrasions, or nicks

Inspect insulation on test leads before and after testing. Look carefully for any ______________

storage

Keep test equipment in good, clean ____________

Underwriters Laboratories or another recognized test laboratory

Luminaires used for underwater lighting must be of an approved type and listed by ______________________

closed, one

Make sure clamp-on instrument jaws are completely __________, and on _________ conductor at a time

10

Normally, receptacles are not allowed within _______ feet of the inside wall of a pool or fountain

safety rules

Observe all ____________ ____________ while testing

VII

Part _____ of article 680 of the code contains regulations regarding hydromassage bathtubs

VI

Part _____ of article 680 of the code contains regulations regarding pools and tubs for therapeutic use

IV

Part _____ of article 680 of the code contains regulations regarding spas and hot tubs

125 volt

Permanently installed pools must have at least one ______ volt receptacle within 20' for maintenance use

flow through the ground path and trip the overcurrent protective device

Proper grounding ensures that a short circuit will ______

equipment grounding connection

Receptacles that give power to cord connected pumps must have an ______________ ____________ ______________

the breaker is good if the voltage is correct

Testing a BREAKER is done by using a voltmeter, and connecting one side to the line side of one breaker and the other lead to the load side of a different breaker. How do you know that the breaker is good?

ground

Testing a FUSE is also done with the help of a voltmeter, except when checking a fuse, you need to connect one lead of the voltmeter to the load side of a fuse, and the other to the __________

Tied reinforcement bars in a concrete pool, the bolted or welded metal pool wall, or a solid copper conductor that is no smaller than 8 AWG

The common bonding grid may be any of the following:

copper, 8

The connection to the common bonding grid must be made with a __________ conductor no smaller than ___ AWG

12

The equipment grounding conductor for pool-related equipment and devices is normally no smaller than ______ AWG

Rigid metal, IMC, Liquid-tight flexible nonmetallic, or PVC

The forming shell of an underwater luminaire is equipped with threaded entry ports for conduit. What materials can be used for this conduit?

potted (sealed)

The luminaire cord must ____________ at the end attached to the fixture and its terminals to prevent water entry

Forming shell

The shell that houses a wet-niche luminaire

supply

Troubles are often encountered at the __________, or power source, of the circuit

finding a problem, and correcting a problem

Troubleshooting consists of two goals. _____________ a problem and ___________ a problem

True! Cords leading to underwater luminaires should always be shorted on the SUPPLY end

True or False, if the cord leading to the underwater luminaire needs shortening, it must be trimmed at the SUPPLY end, not at the fixture end.

True! Cord and plug devices can be used in an area less than 20 feet from the inside wall of the pool as long as they are rated 15 amps or 20 amps, and are GFCI protected

True or False? Cord and plug devices, such as table lamps, can be used in an area less than 20 feet from the inside wall of the pool

True! Special luminaires listed and identified for use at minimum depth of 4" are permitted, but not luminaire shall be installed at less tan 4" in depth

True or False? Special luminaires listed and identified for use at minimum depth of 4" are permitted

False, wet-niche luminaires can be lifted out of the forming shell for servicing

True/False Once a wet-niche luminaire is installed, it is installed permanently

False. The required clearance over the water surface and the clearance over a diving board or observation stand differ, wherein the clearances over diving boards or observation stands must always be maintained at least 10' horizontally from the pool

True/False The required clearance over the water surface is the exact same as the clearance over a diving board or observation stand.

True. You should check the LINE side FIRST, and the load side after

True/False, you should test the line side of the power circuit before the load side

True! All electrical equipment used with storable pools must be protected by a GFCI

True/False? All electrical equipment used with storable pools must be protected by a GFCI

True! Communication lines can pass over the pool if they maintain a 10' vertical clearance of diving boards and platforms

True/False? Communication lines can pass over the pool if they maintain a 10' vertical clearance of diving boards and platforms

FALSE WITH A CAPITAL F! Conductors that are not owned and maintained by the electric utility are NOT allowed to be strung over a pool or within 10' horizontally from the pool. This applies to applications such as service drops and conductors for pole-mounted lights.

True/False? Conductors that are not owned and maintained by the electric utility are allowed to be strung over a pool or within 10' horizontally from the pool

False! Deck boxes that supply dry-niche luminaires are NOT required to be elevated 4" or set back 4'. In fact, many styles of dry-niche fixtures have integral flush deck boxes to permit easier maintenance

True/False? Just like a wet-niche luminaire, a deck box for a dry-niche luminaire is required to be elevated 4" or set back 4' from the pool edge

intended

Use the test equipment for it's _____________ purpose

completely surrounded by water

Wet-Niche Luminaires are intended for installation in a forming shell mounted in a pool or fountain structure where the luminaire will be _____________

Experience, knowledge, and technique

What are the main ingredients to successful troubleshooting?

There is no minimum distance requirement for receptacles separated by a wall or barrier

What are the minimum distance requirements for receptacles separated from the pool by a wall or other barrier?

They must be GFCI protected

What are the requirements for all receptacles within 20 FEET of a pool?

Lights in the area AROUND the pool and lights IN the pool

What are the two basic groupings of lights used in and around pools?

If the motor does not start with the jumper installed, check the voltage across the overloads (with the jumper still in place)

What is the fifth step to troubleshooting a control circuit?

check the input voltage to the control transformer

What is the first step to troubleshooting a control circuit?

Isolate the control circuit with a fused jumper. If the motor starts with the jumper installed, the control circuit is faulty

What is the fourth step to troubleshooting a control circuit?

To keep all metals that are not intended to conduct electricity at the same electric potential and eliminate voltage gradients

What is the purpose of bonding?

Grounding and Bonding. The lug is attached to an equipment grounding conductor and bonding jumper

What is the purpose of the lug inside the forming shell?

check the output voltage of the control transformer

What is the second step to troubleshooting a control circuit?

verify the current draw of the control circuit

What is the third step to troubleshooting a control circuit?

The luminaire must be installed 5' above the maximum water level and be firmly attached to a structure

What requirements allow for a luminaire installed in an area located 5-10 feet from the inside wall of a pool to not need GFCI protection?

When the existing lighting fixture/outlet is 5' above the maximum water level, rigidly attached to an existing structure, and protected by a GFCI

When is it acceptable to have existing lighting fixtures and outlets within 5 feet of the inside wall of the pool?

protective device

When troubles are encountered at the supply, this usually means that something went wrong with the ____________ _____________, such as the circuit breaker or fuse

voltmeter

When troubleshooting power circuits, I should first use a ________________ to check each of the incoming lines to confirm that voltage is present at the required level

breaker

When troubleshooting the power source and power is present up to the protective device, the ___________ or fuse should be checked

power, protective

When troubleshooting the power source, before checking the protective device, you need to make sure that there is __________ up to the ____________ device

how the equipment functions, and what types of circuits are present

When troubleshooting, you need to understand what two things?

highest, overloading

When using instruments with several scales, always begin testing with the ____________ scale to prevent _________________

Article 680-Swimming pools, fountains, and installations

Where is the Code requirements found for areas in the vicinity of water?

power connections to the supply, circuit breakers, and fuses

Which components can usually be checked fairly quickly?

line voltage

___________ __________ means a good fuse, and zero voltage means the fuse is blown

motors

____________ are typically the most expensive individual components and are the most critical to operation

voltage gradients

a difference in electrical potential across a distance or space

Storable pool

a pool constructed aboveground capable of holding water at a maximum depth of 42", or any size pool with nonmetallic, molded walls or inflatable walls

common bonding grid

all items being bonded must be bonded to a _____________ _____________ _______________

Deck Box

an enclosure or junction box set on or in the concrete around the pool that is sued to supply the luminaire.

Wet-niche luminaires

an underwater luminaire intended for installation in a forming shell mounted in a pool or fountain structure where the luminaire will be completely surrounded by water

Dry-niche luminaires

luminaires which are installed in closed recessed formations outside the wall of a pool

testing equipment

the better the ___________ ___________, the easier the job and more accurate the readings

a jumper helps isolate the control circuit from power

what is a jumper used for?

The source is considered first, then you can move on and isolate the control circuit.

when checking a power circuit, what do you consider first? What do you do next?

energized

when making resistance measurements, never work on a circuit that is __________

Equipotential bond

when two or more objects share the same electrical potential