NEW
Font size
WorksheetsElectrical Safety Requirements
Total questions: 10
Worksheet time: 5mins
What is considered to be the maximum safe voltage for PORTABLE ELECTRICAL TOOLS on construction sites?
110 Volts
150 Volts
230 Volts
400 Volts
While digging a trench, you uncover a length of yellow marker tape. What does this mean?
The area has a high water-table
There is a buried electrical cable
There is contaminated soil below the level of the marker tape
The excavation must now be supported
Which of the following could you use for a plug if No fuses are available?
A nail
A piece of silver paper
A bit of wire
None of these options
How often should you check electrical equipment on site?
Every time you use it
Every day
Every dayOnce a week
It's my employer's responsibility
When using an electric cable that is on an extension reel, which of the following actions should you undertake?
Leave as much as possible coiled up on the reel
Uncoil it fully and check it for damage
Wipe it clean with a damp cloth
Only uncoil what you need
What is used to reduce 230 Volts to 110 Volts on site?
Residual current device (RCD)
Transformer
Circuit breaker
Generator
A portable electric generator on site has two different power outlets; what colour would the 230 Volt outlet be?
Blue
Green
Yellow
Red
A portable electric generator on site has two different power outlets; what colour would the 110 Volt outlet be?
Blue
Green
Yellow
Red
Where 230 Volt mains voltage is used, what additional protection is recommended?
Step-down transformer
Step-down generator
Cable avoidance tool
Residual Current Device (RCD)
What colour cable USUALLY signifies a 110 Volt power supply on site?
Red
Yellow
Blue
Black
