Module 1
What is the first step to prevent an electrical shock?
Recognize potential hazard
A Digital Multimeter (DMM) is a versatile tool. State one function that is not a measurement function of DMM?
Time
Which tool is used to remove insulation from electrical wires?
Wire stripper
Which type of conduit is typically used outdoors and is resistant to moisture?
PVC
What are 2 colors associated with positive wire?
Red, brown and black.
Which of the following is the most common cause of electrical fires?
Overloading electrical circuits
What is the purpose of the continuity test on a multimeter?
To check if a circuit is broken or has a low resistance path.
what are the 3 things a multimeter can measure?
Voltage, current, and resistance.
What does PVC stand for?
Polyvinylchloride
What is the recommended height for an outlet?
12 inches
What is the meaning of insulator?
Substances such as dry wood, rubber, glass, plastic hat have high resistance to electricity.
Precision tools are essential for marking off/out. Which of the following is not a precision tool mentioned for marking off/out?
Paintbrush
What is the unit of measurement for resistance in an electrical circuit?
Ohm (Ω)
In a residential setting, the typical circuit breaker for lighting is rated at?
15 amps
What is the formula to calculate parallel circuit?
1/RT=1/R1+1/R2
What does GFCI stands for?
Ground Fault Circuit Interrupter.
What is Marking Off/Out?
A fundamental process in general engineering where dimensions and features from an engineering drawing are accurately transferred onto a raw workpiece.
what is the formula to find voltage?
V=IxR
What is the maximum distance PVC conduit can be from each outlet box, junction box, or termination?
900 mm
What is the maximum height for service entrance?
23ft
What does BE SAFE stands for?
B-URNS
E-LECTROCUTION
S-HOCK
A-RC FLASH
F-IRE
E-XPLOSION
What is Effective Planning?
Effective planning is the cornerstone of any successful and safe engineering task. It ensures that work is carried out efficiently, correctly, and with minimal risk, forming the fundamental basis for achieving competency in various trades.
What is the formula to find KWH?
watts x hour / 1000
What is the wire capacity what calculating conduit fill?
40%
What is the minimum height for service entrance?
13ft