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Flashcards in PEC CHAPTER 6 SPECIAL EQUIPMENT Deck (48):
1

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Markings

- shall be marked with the manufacturer’s name, trademark, or other means of identification; and, input voltage and current rating.


Signs and Outline Lighting Systems

2

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Markings

- shall be marked to indicate the maximum allowable wattage of lamps. The markings shall be at least 6.00 mm high, and shall be visible during relamping.


With Incandescent Lamp Holders

3

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Branch Circuit

Incandescent and Fluorescent Lamps - Shall be rated not to exceed __ amperes.

b) Neon Lamps - Shall be rated not to exceed 30 amperes.

20

4

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Branch Circuit.

Neon Lamps - Shall be rated not to exceed __ amperes.

30

5

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Disconnects

Within the ___ of the sign or outline lighting system that it controls.

Within sight of the electronic or mechanical controllers located _____ to the sign.

sight

external

6

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Groundings

- Signs and metal equipment of outline lighting systems shall be ______.

grounded

7

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Groundings

Shall be permitted as a bonding means in lengths not exceeding 30 m

Flexible Metal Conduit

8

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Groundings

The parts not exceeding 50 mm in any dimension, not likely to be energized and spaced at least 19 mm from neon tubing shall not require bonding.

Small Metal Parts

9

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Groundings

Shall be installed separate and remote, spaced at least 40 mm from the system for 100 Hz or less or 45 mm for systems 100 Hz and over.

Nonmetallic Conduit

10

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Groundings

Shall be made of copper and not smaller than 2.0 mm2 (1.6 mm dia.).

Bonding Conductors

11

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Groundings

_________- Shall have all metal parts and equipment grounding conductors bonded.

Signs in Fountains

12

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Enclosure

The enclosure shall be a sheet_______ at least _____ thick. Using of sheet steel for the enclosure shall be at least _______ thick.

copper or aluminum

0.50 mm

0.40 mm

13

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Location

Vehicles - Shall be least _______(mm) above areas with access to vehicles unless protected from damage

4300 mm

14

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Location

Pedestrians - Neon tubing installed in pedestrians shall be protected from ________

physical damage

15

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Location

Adjacent to Combustible Materials - The materials shall not be subjected to temperatures in excess of ____C. The spacing between wood or other combustible materials shall not be less than _____ohm.

90ºC

50 mm

16

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Location

Wet Location - Shall be listed _____ type or ______ and have ______.
• Drain holes shall not be larger than___(mm)
or smaller than ____(mm).
• Every low point or isolated section of the equipment shall have at least _ drain hole.

watertight

weatherproof

drain holes

13 mm
6.0 mm

1

17

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

_____________Shall be an integral part of the attachment plug or shall be located in the power-supply cord within 300 mm.

Ground-Fault Circuit Interrupter

18

ELECTRIC SIGNS AND OUTLINE LIGHTINGS

Ballast, Transformers, and Electronic Power Supplies

Located where _____ and shall be securely fastened in place.

Wet Location - _____type or of the____ type.

Working Space - At least ,__________(LXWXH mm) deep shall be provided.

d) Attic & Soffit Locations - Permitted to be located provided there is an access door at least _______(mm x mm) of passageway with a walkway of _______(mm).

accessible

Weatherproof / outdoor

900 mm high / 900m wide / by 900 mm

900 mm by 600 mm

300 mm wide

19

CRANES AND HOISTS

Contact Conductors

Locating or Guarding Contact Conductors - The runway contact conductors shall be guarded, and bridge contact conductors shall be located or guarded in a manner that person cannot _______________

inadvertently touch energized current-carrying parts.

20

CRANES AND HOISTS

Contact Conductors

Contact Wires - The extreme limit of displacement of the wire is within less than ____(mm)

40 mm

21

CRANES AND HOISTS

Contact Conductors

c) Supports along Runways - Shall be supported at intervals not exceeding ___(mm)

6000 mm.

22

CRANES AND HOISTS

Contact Conductors

Supports on Bridges - Bridge wire contact conductors shall be kept at least ________(mm), and, where the span exceeds ____m, insulating saddles shall be placed at intervals not exceeding ____m

65 mm apart

25 m

15 m

23

CRANES AND HOISTS

Contact Conductors

Supports for Rigid Conductors - Shall be carried on insulating supports spaced at intervals of not more than _______ the vertical dimension of the conductor, but in no case greater than ____(mm), and spaced apart sufficiently to give a clear electrical separation of conductors or adjacent collectors of not less than ______(mm)

80 times

4 500 mm

25 mm

24

CRANES AND HOISTS

Clearance

Shall have a minimum of___(mm) to access to live parts where the controls are enclosed in cabinets, the door(s) shall either open at least_____ or be removable.

750 mm

90 degrees

25

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Grounding

The following equipment shall be grounded: (7)

1. Through-wall lighting assemblies and underwater luminaries (lighting fixtures), other than those low-voltage systems listed for the application without a grounding conductor.
2. All electrical equipment located within 1 500 mm of the inside wall of the specified body of water.
3. All electrical equipment associated with the recirculation system of the specified body of water.
4. Junction boxes
5. Transformer enclosures
6. Ground-fault circuit interrupters
7. Panelboards that are not part of the service equipment and that supply any electrical equipment associated with the specified body of water.

26

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Cord-and-Plug Connected Equipment

a) Length - For other than storable pools, the flexible cord shall not exceed _____(mm) in length.

b) Equipment Grounding - flexible cord shall be made of copper not smaller than _______(mm2).

900 mm

3.5 mm2

27

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Overhead Conductor Clearances

a) Communication Systems - shall be permitted at a height of not less than ____(mm) above

b) Other Clearance Parameters:

3000 mm

28

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Underground Wiring Locations

Wirings shall not be permitted under the pool or within area extending _____(mm) horizontally form the inside wall of the pool unless the wiring is necessary for the pool equipment. Wirings shall be permitted only if installed in _________(3) which is corrosion resistant.

1500 mm

RMC, IMC, or a nonmetallic raceway

29

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Receptacles

Circulation and Sanitation System, Location - Receptacles for water-pump motors or for other loads directly related to the circulation and sanitation system shall be located at least _____(mm) from the inside wall of the pool, or not less than_____(mm) if the conditions of the following are met:

1. Consist of single receptacle
2. Employ a locking configuration
3. Are of the grounding type
4. Have GFCI protection

3000 mm

1500 mm

30

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Receptacles

Other Receptacles, Location - Shall be not less than _______(mm) from the inside walls of the pool.

3000 mm

31

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Receptacles

Dwelling Units - A 230V 15 to 20-ampere receptacle on a general purpose shall be located not less than ________(mm) and not more than ______(mm). And, not more than 2000 mm above the floor, or grade level serving the pool.

3000 mm,

6000 mm

32

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Receptacles

GFCI Protection - All______(2) ampere, single-phase, 230V receptacles located within______ of the inside walls of a pool shall be of GFCI type. Also receptacles that supply pool pump motors and that are rated 15 or 20 amperes, 125 to 250 V, single phase

15 and 20

6000 mm

33

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Luminaires (Lighting Fixtures), Lighting Outlets, and Ceiling-Suspended (Paddle) Fans

New Outdoor Installation Clearances - Shall be _______(mm) horizontally from the pool and of height not less than _______(mm) above the maximum water level of the pool.



1500 mm

3600 mm

34

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Luminaires (Lighting Fixtures), Lighting Outlets, and Ceiling-Suspended (Paddle) Fans

Indoor Clearances - Shall be protected by GFCI and of height not less than _______(mm)

1. Totally enclosed luminaires (fixtures)
2. Ceiling-suspended (paddle) fans identified for use beneath ceiling structures.

2300 mm

35

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Luminaires (Lighting Fixtures), Lighting Outlets, and Ceiling-Suspended (Paddle) Fans

Existing Installations - Luminaires located less than ______(mm) or less horizontally from the pool shall have a height of_____(mm), rigidly attached, and GFCI protected.

1500 mm

1500 mm

36

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

________Shall be located at least _____(mm) from the pool and separated by a solid fence, wall, or permanent barriers.

Switching Devices

1500 mm

37

SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS

Junction Boxes and other Enclosures

A junction box or an enclosure connected to a conduit, a transformer, a GFCI, or of similar device that extends directly to a forming shell or mounting bracket of a no-niche luminaire (fixture) shall meet the following requirements:

a) Construction
1. Be equipped with threaded entries or hubs or a nonmetallic hub.
2. Be compromised of copper, brass, suitable plastic or other approved corrosion resistant material.
3. Be provided with electrical continuity between every connected metal conduit and the grounding terminals by means of copper, brass, or other approved corrosion-resistant metal that is integral with the box.

b) Installation
1. Vertical Spacing - Shall be located not less than _____(mm)_ measured from the inside of the bottom of the box, above the ground level, or pool deck, or not less than _____(mm) above the maximum pool water level, whichever provides the greater elevation.
2. Horizontal Spacing - The junction box shall be located not less than ________(mm) from the inside wall of the pool, unless separated from the pool by a solid fence, wall, or other permanent barrier.
3. Flush Deck Box - If used on a lighting system operating at ___V or less, a flush deck box shall be permitted if both of the following apply:
 An approved potting compound is used to fill the box to prevent moisture.
 The flush deck box is located not less than ____mm from the inside wall of the pool.

100 mm,

200 mm

1200 mm

15 volts

1200

38

SOLAR PHOTOVOLTAIC SYSTEMS

Ground-Fault Protection

Roof-mounted dc photovoltaic arrays located on dwellings shall be provided with ________ to reduce fire hazards

dc ground-fault protection

39

SOLAR PHOTOVOLTAIC SYSTEMS

Unbalanced Interconnections

Single Phase - Single-phase inverters for photovoltaic systems and ac modules in interactive solar photovoltaic systems shall not be connected to ________ unless the interconnected system is designed so that significant unbalanced voltages cannot result.


3-phase power systems

40

SOLAR PHOTOVOLTAIC SYSTEMS

Unbalanced Interconnections

Three Phase - Three-phase inverters and 3-phase ac modules in interactive systems shall have all phases _________ upon loss of, or unbalanced, voltage in one or more phases unless the interconnected system is designed so that significant unbalanced voltages will not result.

automatically de-energized

41

SOLAR PHOTOVOLTAIC SYSTEMS

Markings

Modules - Shall be marked with identification of terminals or leads as to polarity, maximum overcurrent device rating for module protection, and with the following ratings: (6)

1. Open-circuit voltage
2. Operating voltage
3. Maximum permissible system voltage
4. Operating current
5. Short-circuit current
6. Maximum power

42

SOLAR PHOTOVOLTAIC SYSTEMS

Markings

Alternating-Current Photovoltaic Modules - Shall be marked with identification of terminals or leads, and with identification of the following rating:

1. Nominal operating ac voltage
2. Nominal operating ac frequency
3. Maximum ac power
4. Maximum ac current
5. Maximum overcurrent device rating for ac module protection

43

SOLAR PHOTOVOLTAIC SYSTEMS

Markings

Direct-Current Photovoltaic Power Source -Shall be provided by the installer at an accessible location at the disconnecting means for this power source:

1. Operating current
2. Operating voltage
3. Maximum system voltage
4. Short-circuit current

44

SOLAR PHOTOVOLTAIC SYSTEMS

Storage Batteries

Operating Voltage (Dwelling Units) - Shall have the cells connected to operate at less than ___V nominal. Lead-acid storage batteries shall have no more than___________vc connected in _____ (48-volts nominal)

50 volts

twenty-four 2-volt cells

series

45

SOLAR PHOTOVOLTAIC SYSTEMS

Storage Batteries

Battery Nonconductive Cases and Conductive Cracks - Flooded, vented, lead-acid batteries with more than ___________vc shall not use conductive cases or shall not be installed in ________. Conductive racks used to support the nonconductive cases shall be permitted where no rack material is located within _____(mm) of the tops of the nonconductive cases.

twenty-four 2-volt cells connected in series (48 volts, nominal)

conductive cases

150 mm

46

SOLAR PHOTOVOLTAIC SYSTEMS

Storage Batteries

Battery Systems of More Than 48 Volts - The battery system shall be permitted to operate with ungrounded conductors, provided the following conditions are met:

1. The dc and ac load circuits shall be solidly grounded.
2. All main ungrounded battery input/output circuit conductors shall be provided with switched disconnects and overcurrent protection.
3. A ground-fault detector and indicator shall be installed to monitor for ground faults in the battery bank

47

SOLAR PHOTOVOLTAIC SYSTEMS

Charge Control

Shall be provided to control the charging process of the battery. Charge control is not required where the design of the photovoltaic source circuit is matched to the voltage rating and charge requirements of the interconnected batteries. Maximum charging current multiplied by___hr must be less than __% of the rated battery capacity in ampere hour

1 houR

3%

48

.

.