Question 1
An extension ladder is set up to reach a roof edge. What is the correct approximate angle for safe use?
Question 2
Which type of ladder is generally preferred when working near energized electrical equipment?
Question 3
When using a portable extension ladder to access a roof, how far above the roof edge should the ladder extend for safe access?
Question 4
When using a step ladder to install a light fixture, how should the ladder be positioned?
Question 5
When using a portable ladder to access a ceiling junction box, what is the safest practice before climbing?
Question 6
A PLC-controlled conveyor stops unexpectedly, but the motor starter is still energized and no overloads or breakers have tripped. Which is the most logical first step in troubleshooting?
Question 7
What is the common '4 to 1' rule for setting up an extension ladder?
Question 8
The symbol for a duplex receptacle on a plan is marked with a slash through it. What does this most commonly indicate?
Question 9
On an electrical drawing, a dashed line from a switch symbol to a light fixture symbol most commonly indicates what?
Question 10
Which PLC language most closely resembles a traditional relay logic electrical schematic?
Question 11
In industrial control schematics, what is the function of a 'seal-in' (holding) contact in a motor starter circuit?
Question 12
In an industrial motor control circuit, what is the specific function of the 'seal-in' (holding) contact?
Question 13
When setting up a straight ladder to access a work area, what is the recommended ratio of horizontal distance from the wall to ladder length for safe use?
Question 14
When using a step ladder, which of the following practices is safest?
Question 15
Which common colour is typically used in Canada to identify a grounded (neutral) conductor in a 120/240 V residential system?
Question 16
When using a step ladder to install lighting in a corridor, how should the ladder be positioned?
Question 17
When using a step ladder, which practice is safest?
Question 18
A journeyperson is planning receptacle layouts in a new dwelling. What is a primary design consideration from a user safety and convenience perspective?
Question 19
When using a straight ladder to access a work area, what is the recommended safe ladder angle?
Question 20
When using a metal stepladder to install a light fixture in a dwelling unit, what is the safest practice?
Question 21
When setting up a portable straight ladder to access a ceiling junction box, what is the commonly recommended ratio of ladder distance from the wall to its working length?
Question 22
When using a portable straight ladder to access a roof, which practice is safest?
Question 23
When using a step ladder to install ceiling fixtures, which practice is correct?
Question 24
When using a portable ladder to access a work area, what is a basic safe practice?
Question 25
On a commercial job, workers must access a lighting contactor mounted above a damp concrete floor. What ladder choice is generally safest for this task?
Question 26
When using an extension ladder to access a roof edge, how should the ladder be positioned for safe use?
Question 27
An extension ladder is being used to reach a roof. Which setup is safest?
Question 28
When using a step ladder to install a ceiling light, which practice is safest?
Question 29
When climbing a ladder to install a light fixture, how should an electrician position the ladder for safety?
Question 30
Which practice shows proper ladder safety when an electrician uses an extension ladder to access a ceiling junction box?