Term
| Shock severity factors (4) |
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Definition
- Type of current
- Current value
- Path through body
- Body resistance
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Term
| Electric current values referred to as "highest danger zone" |
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Definition
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Term
| What is the lowest range of shock current that could be fatal, to a victim with a heart ailment |
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Definition
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Term
| Immediate action upon discovering shock victim |
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Definition
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Term
| Define Arc Thermal Performance Value (ATPV) |
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Definition
| The incident energy that would cause the onset of a second-degree burn for a flame resistant material |
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Term
| Define "electrically safe" requirements (3) |
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Definition
- Disconnected from energy
- Tagged
- Tested to ensure absence of voltage
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Term
| Define "energized equipment" |
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Definition
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Term
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Definition
| Garments constructed and labeled to meet requirements of ASTM F1506 |
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Term
| Define flash protection boundary |
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Definition
Boundary within which PPE is required for flash protection, when working on energized equipment that has a potential to cause a flash |
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Term
| Define minimum approach distance |
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Definition
| Distance from exposed energized equipment to any part of individual, established to prevent incidental contact |
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Term
| Clothing Class (1 through 4) Requirements |
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Definition
- Any natural fiber clothing (long sleeve and long pants)
- Clothing ensemble with at least 8 cal/cm-sq (regular weight cotton denim jeans acceptable)
- Specialty garment or combination with at least 25 cal/cm-sq
- Specialty garment or combination with at least 40 cal/cm-sq
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Term
| When is a GFCI required (4) |
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Definition
All 120/240 VAC receptacles when:
- Using portable electric tools
- In wet environments
- Used outdoors
- Used inside confined spaces
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Term
| How soon must a first aid qualified individual be able to respond to an individial exposed to energized parts? |
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Definition
| Within 4 minutes of discovery |
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Term
| When is a second (safety) person required to be present for electrical work? |
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Definition
| When potential exists for worker to come in contact with parts energized at more than 600 volts |
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Term
When is a second (safety) person not required to be present, even if parts are energized more than 600 volts? |
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Definition
| Emergency work during plant transient |
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Term
| When working on energized equipment, when is an attendant required to be stationed? |
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Definition
| When signs and barricades are not sufficient to protect personnel (such as an entire room being within the flash protection boundary). |
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Term
| What is the purpose of grounding equipment? |
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Definition
| Protect workers, if equipment is acidentally energized. |
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Term
| Always connect the ground end of the SSGs (first/last) and disconect the ground end (first/last). |
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Definition
Connect ground end FIRST,
Disconnect ground end LAST |
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Term
| How should jumpers be applied? |
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Definition
| Land lower voltage end prior to higher voltage end. |
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Term
| Why should you never assume a conductor is de-energized? |
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Definition
Potential backfeed situations can occur during normal work assignments. |
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Term
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Definition
- An overlooked source
- Primary or secondary voltage sources
- Floating or open neutrals
- Temporary feeds, DC annunciator feeds, auxiliary power generators, etc.
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