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WorksheetsPETI (Portable electrical equipment and Temporary installation)
Total questions: 11
Worksheet time: 6mins
What is the definition of portable electrical equipment in the context of PETI?
equipment that is likely to be moved while connected to a power supply of more than 50V AC or 120V DC.
equipment that is connected to a power supply of more than 110V AC or 120V DC.
equipment that is connected to a power supply of more than 40V AC or 130V DC.
· equipment that is connected to a power supply of more than 65V AC or 240V DC.
What is the definition of temporary installation in the context of PETI?
installations that do not form part of the Owner’s permanent or fixed installation.
installations that is part of the contractor’s permanent installation.
installations that is part of the Owner’s permanent or fixed installation.
installations that do not form part of the contractor’s temporary installation.
What is the portable equipment class that is permitted to be used according to PTS?
Class II and Class III
Class I and Class II
Class III and Class IV
Class IV and Class I
This symbol belongs to what portable equipment class?
Class II
Class III
Class IV
Class I
What is considered ELV – Extra Low Voltage according to PETI PTS?
≤ 50VAC or ≤120VDC
≤ 24VAC or ≤ 50VDC
≤ 120VAC or ≤ 110VDC
≤ 240VAC or ≤ 120VDC
Portable equipment used in confined space should be supplied from;
50 V supply via isolating transformer; or
100 V supply via centre-tapped isolating transformer; or
Battery operated.
TRUE
FALSE
What is the maximum total length of extension cables from the source to the load (end-to-end)?
50 Meters
60 Meters
75 Meters
100 Meters
What is the maximum length of individual extension cables?
20 Meters
50 Meters
75 Meters
100 Meters
How long is the validity period for Equipment inspection sticker and PFS (PETI certificate of fitness) according to PETI PTS?
3 Months
4 Months
5 Months
6 Months
Everyone has the authority to “Stop work” when he/she noticed unsafe conditions.
True
False
Below are the typical PETI non-compliance found at working site
i. Expired Portable Inspection Sticker
ii. Damaged extension cable insulation
iii. Portable generator set without local earthing.
iv. Portable grinder without protective guard
i and ii
ii, iii and iv
i, ii and iv
All of the above
