Electrical Installation and Maintenance

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Questions and Answers

What is the primary purpose of Rigid Steel Conduit?

To allow for flexible electrical wiring
To protect electrical wiring from mechanical damages (correct)
To support electrical wiring without protection
To provide ventilation for electrical wiring

Under what conditions can conduits protected with enamel be used?

In outdoor environments only
In areas with severe corrosive influences
In indoor occupancies not subjected to severe corrosive influences (correct)
In direct earth burial installations

What is a critical condition to avoid when installing Rigid Steel Conduit?

Installing in concrete
Using a smooth inner diameter
Having metal to metal contact (correct)
Using a diameter of ½ inch

What is the standard length of Rigid Steel Conduit?

10 feet (C) Signup and view all the answers

RSC is an acronym for which of the following?

Rigid Steel Conduit (A) Signup and view all the answers

What is the total score possible based on the provided rubric?

25 (C) Signup and view all the answers

In which scenarios is conduit fitting with corrosion protection applicable?

In areas exposed to corrosive influences (C) Signup and view all the answers

What tool is used for bending rigid steel conduit?

Hickey (D) Signup and view all the answers

What feature differentiates Rigid Steel Conduit from Electrical Metallic Tubing?

It protects against electrical hazards and mechanical damage (A) Signup and view all the answers

Which of the following is NOT a learning competency mentioned for the installation of electrical systems?

Calculate electrical loads (D) Signup and view all the answers

What is the first step in the procedure for making a 90° bend in rigid steel conduit?

Prepare the necessary tools (A) Signup and view all the answers

What maximum diameter does Rigid Steel Conduit allow?

6 inches (A) Signup and view all the answers

Which of the following is a recommended personal protective equipment (PPE) during the bending process?

Safety goggles (D) Signup and view all the answers

How long of rigid steel conduit should be prepared and cut according to the directions?

2 meters (C) Signup and view all the answers

What is one of the objectives in participating in the lesson?

Participate honestly and diligently (D) Signup and view all the answers

What is the correct order of actions before bending the conduit?

Prepare tools, Draw the arc, Wear PPE (B) Signup and view all the answers

What is the primary purpose of using a try square in bending rigid metallic conduit?

To ensure accurate angles during the bending process (D) Signup and view all the answers

Which of the following is essential for guaranteeing safety while working with metallic conduit?

Wearing personal protective equipment (PPE) (D) Signup and view all the answers

What is one of the functions of metal straps when installing rigid steel conduit?

To secure conduits in place (D) Signup and view all the answers

When installing wireways and cable trays, which type of raceway would typically be used in dry environments?

Plastic raceway (D) Signup and view all the answers

Which tool would NOT be important for the measurement process when bending conduit?

Hammer (A) Signup and view all the answers

In what scenario would you choose a non-metallic raceway over a metallic one?

In highly corrosive environments (C) Signup and view all the answers

What is a common application of junction boxes in electrical installations?

To connect and redirect the path of conductors (B) Signup and view all the answers

Which component is typically included in the installation plan of rigid aluminum conduit?

Screwdrivers (B) Signup and view all the answers

Which fitting is specifically used to redirect the direction of a raceway?

Elbow (C) Signup and view all the answers

What type of fitting is commonly used to extend the length of a pipe?

Coupling (C) Signup and view all the answers

Which fitting can house or hold a receptacle and switches?

Square Box (C) Signup and view all the answers

What characteristic is defined as the ability to be shaped by pressing or hammering without breaking?

Malleability (D) Signup and view all the answers

Which electrical material is used for securing and joining raceway as needed?

Coupling (B) Signup and view all the answers

Why are PVC fittings commonly found indoors?

They are more resistant to corrosion. (C) Signup and view all the answers

What is a common mistake when choosing fittings for electrical installations?

Selecting fittings without considering the installation environment. (C) Signup and view all the answers

If a technician is installing conduits in the ceiling, what would be the preferred material to use?

Metal fittings (D) Signup and view all the answers

What is the main purpose of Republic Act no. 7832?

To penalize electricity pilferage and rationalize system losses. (B) Signup and view all the answers

Which of the following constitutes prima facie evidence of illegal use of electricity?

Presence of unusual electrical equipment. (A) Signup and view all the answers

What is the penalty for violating Section 2 of Republic Act no. 7832?

A fine ranging from P10,000 to P20,000 or imprisonment. (B) Signup and view all the answers

Which of the following parties is allowed to disconnection based on prima facie evidence?

Authorized representatives of the electric utility. (C) Signup and view all the answers

What is one of the circumstances that can establish illegal use of electricity under Section 4?

Unauthorized connections to power lines. (C) Signup and view all the answers

Who is considered qualified to install an electrical wiring system in a residential house?

Only licensed electricians. (D) Signup and view all the answers

What does the term 'prima facie evidence' refer to in the context of RA 7832?

Evidence that is accepted as correct until proven otherwise. (C) Signup and view all the answers

What kind of consideration is prohibited under Section 4 of RA 7832?

Bribes to avoid reporting illegal activity. (B) Signup and view all the answers

What is the maximum fine for violating Section 2 as stated in the law?

P20,000 (C) Signup and view all the answers

Which penalty may be imposed on a person found guilty of the offense mentioned in Section 2?

Prison mayor or fine (D) Signup and view all the answers

What document should electric utilities submit for standard equipment?

Standards to ERB (B) Signup and view all the answers

How often should an electric meter be calibrated according to the provided information?

Every 5 years (C) Signup and view all the answers

What does ERB stand for in the context of the regulations?

Electrical Regulation Board (D) Signup and view all the answers

Which of the following is an example of prima facie evidence related to meters?

Presence of bored hole on the glass cover of meter (C) Signup and view all the answers

What must happen within 30 days according to the regulations?

Copy of test report must be submitted to ERB (A) Signup and view all the answers

Which of the following is NOT mentioned as a component of prima facie evidence?

Presence of water inside the meter (D) Signup and view all the answers

Flashcards

Rigid Steel Conduit Bending

The process of shaping rigid metal conduit, often using a bender or hickey, to form bends like 90-degree angles.

90° Bend

A common bend in electrical conduit, creating a right angle (90 degrees).