Podcast
Questions and Answers
What is the first step when installing rail extensions on the panelboard?
What is the first step when installing rail extensions on the panelboard?
- Unscrew all the bolts holding down the panelboard
- Cut all the wires coming into the panelboard
- Turn off all power supplying this equipment (correct)
- Install the rail extension to the main lug end of the existing mounting rail
What does pigtailing mean when performing work on a home with older wiring?
What does pigtailing mean when performing work on a home with older wiring?
- Connecting a copper wire to the end of an aluminum wire (correct)
- Connecting an aluminum wire to the end of a copper wire
- Placing a copper wire to the grounding conductor
- Connecting an aluminum wire to the hot wire of a receptacle
What is the most practical application for a floor cord cover?
What is the most practical application for a floor cord cover?
- Used on temporary cords when high foot traffic is present (correct)
- Installed to guide fiber optic cables in office cubicles
- Used with flexible conduit
- Used in university engineering rooms
Equipment marking and labels must be able to:
Equipment marking and labels must be able to:
Which of the following is NOT part of electrical trim work?
Which of the following is NOT part of electrical trim work?
Which of the following locations does NOT allow for insulating foam sealants?
Which of the following locations does NOT allow for insulating foam sealants?
What tool is used for bending conduit?
What tool is used for bending conduit?
Field-applied hazard markings must be:
Field-applied hazard markings must be:
Which of the following can be used to protect Type AC cable?
Which of the following can be used to protect Type AC cable?
Labels must be provided for which of the following?
Labels must be provided for which of the following?
All of the above
All of the above
Which of the following labels is best suited for the innards of a switchboard that carries high voltage to the circuits?
Which of the following labels is best suited for the innards of a switchboard that carries high voltage to the circuits?
What is a requirement when installing T-bar Troffer lights in an office that is 440 square feet?
What is a requirement when installing T-bar Troffer lights in an office that is 440 square feet?
What color marking is required for conductors or busbars that carry the higher voltage to ground and these markings are required at connection points that have a grounded conductor present?
What color marking is required for conductors or busbars that carry the higher voltage to ground and these markings are required at connection points that have a grounded conductor present?
Who is responsible for protecting both in-house and contracted workers from electrical shock and arc flashes?
Who is responsible for protecting both in-house and contracted workers from electrical shock and arc flashes?
What does the “2” mean in USE-2 or RHW-2 wires?
What does the “2” mean in USE-2 or RHW-2 wires?
Entries into panels and junction boxes need __________ to protect from water penetration.
Entries into panels and junction boxes need __________ to protect from water penetration.
A service disconnect must have _______ printed and displayed.
A service disconnect must have _______ printed and displayed.
Which of the following wires can be used in both grounded and ungrounded PV arrays?
Which of the following wires can be used in both grounded and ungrounded PV arrays?
Who installs conduit sealant?
Who installs conduit sealant?
Which of the following allows for great wire management?
Which of the following allows for great wire management?
A three-way dimmer is used when:
A three-way dimmer is used when:
Per the electrical code, if a house has more than one service disconnect then you must:
Per the electrical code, if a house has more than one service disconnect then you must:
When should an electrician install cable terminators or conduit sealing bushings?
When should an electrician install cable terminators or conduit sealing bushings?
What is the purpose of a BOS?
What is the purpose of a BOS?
DC photovoltaic source and output circuits require which of the following labeling?
DC photovoltaic source and output circuits require which of the following labeling?
An outdoor light fixture should be marked:
An outdoor light fixture should be marked:
Which of the following locations is a poor choice for the location of a subpanel?
Which of the following locations is a poor choice for the location of a subpanel?
What is the reason that PV wire must undergo a flame test but USE-2 wire does not?
What is the reason that PV wire must undergo a flame test but USE-2 wire does not?
You should not install dimmer switches for:
You should not install dimmer switches for:
After rough-in wiring and finish wiring have been completed, what does the owner need to do to power their electronics?
After rough-in wiring and finish wiring have been completed, what does the owner need to do to power their electronics?
Which of the following situations allow for hand-written labeling?
Which of the following situations allow for hand-written labeling?
What is the final step after installing extension rails on a panelboard?
What is the final step after installing extension rails on a panelboard?
In PV installations most of the wiring is connected via a:
In PV installations most of the wiring is connected via a:
Which of the following considerations are applicable to PV wiring?
Which of the following considerations are applicable to PV wiring?
Which of the following wires is suitable for PV systems over 1,000 volts?
Which of the following wires is suitable for PV systems over 1,000 volts?
Cable trays or similar raceways carrying service entrance conductors must:
Cable trays or similar raceways carrying service entrance conductors must:
Surface-mounted conduit should be sealed:
Surface-mounted conduit should be sealed:
Which of the following connectors are commonly used in newer solar wiring?
Which of the following connectors are commonly used in newer solar wiring?
What kind of marking would you find on a “rated” enclosure?
What kind of marking would you find on a “rated” enclosure?
What is the most common location for terminal lugs?
What is the most common location for terminal lugs?
What are the three main types of outlets?
What are the three main types of outlets?
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