MEM18050
Disconnect/reconnect fixed wired equipment over 1000 volts a.c./1500 volts d.c.


Application

This unit of competency defines the skills and knowledge required to disconnect and reconnect and making safe for maintenance of equipment for all voltage levels above 1000 volts a.c./1500 volts d.c.

Where the selection and use of power tools/hand held operations is required unit MEM18002 Use power tools/hand held operations should also be selected.

Some jurisdictions may require the holder of this unit to be licensed or certified and users should check with the relevant authorities.

Band:

This unit has dual status and is to be regarded as both a specialisation Band A unit and Specialisation Band B unit for progression to C7 (AQF level IV).

Unit Weight: 3


Elements and Performance Criteria

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Determine job requirements

1.1

Follow standard operating procedures (SOPs)

1.2

Comply with work health and safety (WHS) requirements at all times

1.3

Use appropriate personal protective equipment (PPE) in accordance with SOPs

1.4

Identify job requirements from specifications, drawings, job sheets or work instructions

2

Disconnect equipment

2.1

Determine electrical characteristics of equipment and circuit by reference to circuit drawings, schematics, reference manuals, equipment specifications, identification plate and/or consultation with technical adviser

2.2

Determine and record equipment characteristics, including direction of rotation, where appropriate

2.3

Identify point/s of electrical isolation and isolate equipment in accordance with procedures

2.4

Use all lock-off equipment and signage requirements appropriately

2.5

Prove electrical isolation using appropriate techniques, procedures and test equipment

2.6

Note, record and label conductor layout

2.7

Disconnect conductors and terminate and make safe disconnected cables/connections

3

Connect equipment

3.1

Identify characteristics of the equipment to be connected and determine connection requirements

3.2

Check circuit for safe isolation using appropriate test equipment, procedures and techniques

3.3

Check connections and prepare conductors for termination

3.4

Connect conductors to equipment in accordance with specifications and regulatory requirements

3.5

Fasten/seal all cables/wires/conduit to specifications

3.6

Remove all lock-off equipment and signage

3.7

Check and test equipment and circuit for compliance with specifications and regulatory and legislative requirements

4

Perform emergency first aid

4.1

Assess situation to identify points of danger to the injured person and potential rescuer

4.2

Undertake rescue/recovery of injured person or provide assistance to injured person in accordance with recognised standards/procedures

4.3

Make contact with the appropriate medical and rescue authorities

4.4

Record details of first aid given

Foundation Skills

This section describes those required skills (reading, writing, oral communication and numeracy) that are essential to workplace performance in this unit of competency.

Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.


Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Appropriate techniques and procedures include:

clearances for safe approach as mandated by statutory authorities

Electrical isolation includes:

isolating supply for safe disconnection of all electrical power to equipment supply circuit with switch circuit breaker or fuses on circuits/equipment at voltage levels above 1000 volts a.c. and 1500 volts d.c.

Test equipment and tools include, in accordance with voltage and fault limiting requirements, one (1) or more of the following:

appropriate proving dead meters

high potential testers

voltmeters

Signage includes one (1) or more of the following:

tags

access permit holders

restricted access signs


Competency Field

Maintenance and diagnostics