Editable
PowerPoint
Slides for
Lecturers
Phil Hughes
and Ed Ferrett
By
MBE
Chapter
12
Electrical hazards and control
Electrical hazards and control
After reading this chapter you should be able
to:
1. identify the hazards and evaluate the
consequential risks from the use of
electricity in the workplace
2. describe the control measures that should
be taken when working with electrical
systems or using electrical equipment.
Figure 12.2 Typical Electric Shock Poster
Figure 12.3 Keep 18m
clear of high voltage lines
Figure 4 Over 25% of fires are
caused by Electrical malfunction
Figure 12.5 Typical UK multiplug –
European similar
Container connected to
earthed drum to prevent
static discharge
Figure 12.6 Dispensing
flammable liquids
Figure 12.7 Typical hand
held electrical power tools
Figure 12.8 Typical 240volt
mini circuit breaker
240 volt
socket with
built-in RCD
110 volt
transportable
transformer
from 240volt
supply
Lockable
electrical
cabinet
Electrical
cabinet
with
multihasp
and
padlocks
Figure 12.9 Electrical hazards and control
Figure 12.10 Double Insulation Sign
Reduced
voltage
normally
110volts
240volt mains extension
with RCD cut out
Figure 12.11 Multiplug extension leads