Calculating Electrical Service Size
Calculating Electrical Service Size
Read to answer questions about electrical service, and calculate the electrical service size for homes and other buildings.
- Pen/penci and paper and/or digital device
- Calculator

A1. Read continuous text
Competency A: Find and Use Information
Task Group A1: Read continuous text
Level: 2
At this level, learners: Read texts to locate and connect ideas and information
Performance Descriptors
The learner:
• Makes connections between sentences and between paragraphs in a single text
• Scans text to locate information
• Locates multiple pieces of information in simple texts
• Reads more complex texts to locate a single piece of information
• Makes low-level inferences
• Follows the main events of descriptive, narrative, and informational texts
• Obtains information from detailed reading
• Begins to identify sources and evaluate information
Task Descriptors
• Scope of task is clearly defined
• Involves one text
• Is one paragraph or longer
• May include unfamiliar elements (e.g. vocabulary, context, topic)
Text types:
instructional, descriptive, narrative, and informational texts
Examples:
- Letters
- Emails
- Notices
ESKARGO:
Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario - A1.2
A2. Interpret documents
Competency A: Find and Use Information
Task Group A2: Interpret documents
Level: 1
At this level, learners: Interpret very simple documents to locate specific details
Performance Descriptors
The learner:
- Scans to locate specific details
- Interprets brief text and common symbols
- Locates specific details in simple documents, such as labels and signs
- Identifies how lists are organized (e.g. sequential, chronological, alphabetical)
- Requires support to identify sources and to evaluate and integrate information
Task Descriptors
- Scope of task is limited
- Involves one document
- Contains brief text, symbols, or both
- Uses a very simple format
- Contains common, familiar vocabulary
- Has a familiar context
- Addresses concrete, day-to-day topics
- Has a highly explicit purpose
- Documents at this level may contain up to one paragraph of text
Examples:
- Signs
- Labels
- Lists
- Coupons
- Simple forms
ESKARGO:
Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario – A2.1
B2. Write continuous text
Competency B: Communicate Ideas and Information
Task Group B2: Write continuous text
Level:2
At this level, learners: Write texts to explain and describe information and ideas
Performance Descriptors
The learner:
- Writes texts to explain or describe
- Conveys intended meaning on familiar topics for a limited range of purposes and audiences
- Begins to sequence writing with some attention to organizing principles (e.g. time, importance)
- Connects ideas using paragraph structure
- Uses a limited range of vocabulary and punctuation appropriate to the task
- Begins to select words and tone appropriate to the task
- Begins to organize writing to communicate effectively
Task Descriptors
- Scope of task is clearly defined
- Content of writing is routine
- Addresses a familiar or unfamiliar audience
- Requires a degree of formality, such as appropriate tone
- Is one paragraph or longer
- Requires organization to support the message (e.g. sentence order, paragraphs)
- May include unfamiliar elements (e.g. vocabulary, context, topic)
Text types:
instructional, descriptive, narrative, and informational texts
Examples:
- Emails
- Brief letters
- Notices
ESKARGO:
Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario – B2.2
C3. Use measures
Competency C: Understand and Use Numbers
Task Group C3: Use measures
Level: 2
At this level, learners: Use measures to make one-step calculations
Performance Descriptors
The learner:
- Calculates using numbers expressed as whole numbers, fractions, decimals, percentages, and integers
- Calculates angles in simple, common shapes
- Makes estimates
- Understands and uses ratio and proportion
- Interprets and represents area and volume using symbols and abbreviations (e.g. m3 )
- Interprets and applies rates (e.g. km/hr, km/l) and ratios (e.g. map scales)
- Converts units of measurement within the same system and between systems
- Understands and uses formulas for finding the perimeter, area, and volume of simple, common shapes
- Chooses and performs required operation(s); may make inferences to identify required operation(s)
- Selects appropriate steps to solutions
- Interprets, represents, and converts measures using whole numbers, decimals, percentages, ratios, and simple, common fractions (e.g. ½, ¼)
- Uses strategies to check accuracy (e.g. estimating, using a calculator, repeating a calculation, using the reverse operation)
Task Descriptors
- Scope of task is clearly defined
- May include unfamiliar elements (e.g. context, content)
- Requires the use of rates or common formulas
- Requires one-step calculations, which may be repeated; operations are easily inferred
- May be completed in more than one way
- May involve one document, such as a simple conversion table
- May require converting between whole numbers, decimals, fractions, ratios, and percentages
ESKARGO:
Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario – C3.2
Competency D: Use Digital Technology
Level: 1
At this level, learners: Perform simple digital tasks according to a set procedure
Performance Descriptors
The learner:
- Follows simple prompts
- Follows apparent steps to complete tasks
- Interprets brief text and icons
- Locates specific functions and information
- Requires support to identify sources and to evaluate and integrate information
- Begins to perform simple searches (e.g. Internet, software help menu)
Task Descriptors
- Scope of task is limited
- Contains common, familiar vocabulary
- Has a familiar context
- Requires up to a few steps to complete
- Requires the use of a limited range of features and options
- Has a set procedure
- Has a highly explicit purpose
- Uses a very simple format
- Contains brief text, icons, or both
- Text and icons required to complete tasks are apparent
- Contains little or no distracting information
- Interface offers very few options
ESKARGO:
Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario – D.1