Editable PowerPoint

Slides for Lecturers

By Phil Hughes MBE and Ed Ferrett

Electrical hazards and control

Chapter 12

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.

Electrical hazards and control

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

Figure 12.6 Dispensing flammable liquids

Container connected to earthed drum to prevent static discharge

Figure 12.7 Typical hand held electrical power tools

Figure 12.8 Typical 240volt mini circuit breaker

Figure 12.9 Electrical hazards and control

240 volt socket with built-in RCD

110 volt transportable transformer from 240volt supply

Electrical cabinet with multihasp and padlocks

Lockable electrical cabinet

Figure 12.10 Double Insulation Sign

Figure 12.11 Multiplug extension leads

Reduced voltage normally 110volts

240volt mains extension with RCD cut out