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Color - ELECTRICAL Index of Building Construction diagrams House illustrations

Use the House illustrations Index pages to find specific diagram pictures. For example, if you would like to find illustration diagrams of "electrical wires", you could use the find feature of your web browser to search for "electrical" or "wires" on the House illustrations Index pages. You can then click the linked text to open the pages with those pictures. Also, you can use the House Illustration navigation menus for the specific category to find and view the diagram pictures.

 

ELECTRICAL

SERVICE DROP and SERVICE ENTRANCE
The Basics of Electricity
----- 0500-co Where does the electrical inspection start
----- 0501-co Electricity - basic concepts
----- 0502-co Electrical potential
----- 0503-co Electrical resistance
----- 0504-co Current flow equals amperage
----- 0505-co 120-240 volts
----- 0506-co Color-coding for typical 120-volt circuit
----- 0507-co A simple electrical circuit
----- 0508-co Short circuit
----- 0509-co Fuses and breakers
----- 0510-co Fuses provide protection against
----- 0511-co Household wiring is done in parallel
----- 0512-co Damaged wire
Service Drop
----- 0513-co Service drop
----- 0514-co Underground electrical service
----- 0515-co Service drop clearances United States
----- 0516-co Service drop clearances Canada
----- 0517-co Wire clearances around windows
----- 0518-co Wires not well secured to the house
----- 0519-co Inadequate wire clearance over roofs
Service Entrance Wires
----- 0520-co Drip loop
----- 0521-co Service entrance wires
----- 0522-co Drip loop
----- 0523-co Using service entrance cable
----- 0524-co Bent service masts
----- 0525-co Support requirements for service entrances
----- 0526-co Service entrance - areas of potential water entry
----- 0527-co Poor seal at house-wall penetration
----- 0528-co Service entrance cable should not be covered by siding
Service Size
----- 0529-co Common wire sizes
----- 0530-co Determining service size by the service entrance wires
----- 0531-co Determining service size by the main disconnect

SERVICE BOX and GROUNDING and PANELS
Service Boxes
----- 0532-co Service equipment service box and main panel or service panel
----- 0533-co Grounding equipment
----- 0534-co Panels
----- 0535-co Branch circuit overcurrent devices
----- 0536-co Breaker and fuse type service boxes
----- 0537-co Meter location
----- 0538-co Panel clearances
----- 0539-co Securing the panel
----- 0540-co Panel openings
----- 0541-co Panel mounting
----- 0542-co Main fuses must be properly sized
----- 0543-co Illegal taps
----- 0544-co Neutral wires should not by-pass the service box
----- 0545-co The main fuses must be downstream of the disconnect switch
System Grounding
----- 0546-co Ground wires let fuses blow
----- 0547-co Electrical path for ground and neutral wires
----- 0548-co Grounding the gas piping
----- 0549-co Arcing and sparks
----- 0550-co Electrical path for ground and neutral wires
----- 0551-co Where do ground wires go
----- 0552-co Jumper wires
----- 0553-co Jumper wires needed
----- 0554-co Do not bond neutral and ground wires downstream of service box
----- 0555-co Bond service box to ground
----- 0556-co Need ground in subpanel feeder wires
Distribution Panels
----- 0557-co Typical arrangement of panel wires
----- 0558-co 120-240 volts
----- 0559-co Pull-out fuse blocks for 240-volt circuits
----- 0560-co Special circuit breakers for 240 volts
----- 0561-co Common household wire and fuses sizes
----- 0562-co Inspecting the service box and panels
----- 0563-co Panel clearances
----- 0564-co Fuse types
----- 0565-co Inspecting the service box and panels
----- 0566-co Fused neutrals and old wiring systems
----- 0567-co Securing the panel
----- 0568-co Panel mounting
----- 0569-co Panel openings
----- 0570-co Panel clearances
----- 0571-co Subpanel wiring - no separate disconnect switch
----- 0572-co Subpanel wiring - disconnect by subpanel
----- 0573-co Subpanel wiring - disconnect by main panel
----- 0574-co Do not bond neutral and ground wires downstream of service box
----- 0575-co Need ground in subpanel feeder wires
----- 0576-co Double tapping double lugging
----- 0577-co Pig-tailing to avoid double taps
----- 0578-co Overcurrent protection for multi-wire branch circuits
----- 0579-co Staggered bus bars on circuit breaker panels
----- 0580-co Bus bars in fuse panels
----- 0581-co Pull-out fuse blocks for multi-wire branch circuits and 240-volt circuits
----- 0582-co Special circuit breakers for 240 volts
----- 0583-co Excess sheathing on panel wires
----- 0584-co Securing wires
----- 0585-co Wires should not cross bus bars
----- 0586-co Arc fault circuit interrupter

THE DISTRIBUTION SYSTEM
Branch Circuit Wiring Distribution Wiring
----- 0587-co Common household wire and fuse sizes
----- 0588-co Stranded wire for overhead runs
----- 0589-co Number of conductors
----- 0590-co Common household wire and fuse sizes
----- 0591-co Types of connections
----- 0592-co Securing wires
----- 0593-co Cable support
----- 0594-co Wire support below floors
----- 0595-co Wire support with steel studs
----- 0596-co Wire clearances from hot ducts and pipes
----- 0597-co Edge clearance for wires in studs and joists
----- 0598-co Wire support with steel studs
----- 0599-co Exposed wiring
----- 0600-co Exposed wiring in attics
----- 0601-co Stranded wire for overhead runs
Knob-and-Tube Wiring
----- 0602-co Knob-and-tube
----- 0603-co Knob-and-tube connections
----- 0604-co Knob-and-tube wiring - connecting a new branch circuit
----- 0605-co Fused neutrals in old wiring systems
Aluminum Wire
----- 0606-co CUAL designation
Lights and Outlets and Switches and Junction Boxes
----- 0607-co Stairway lighting
----- 0608-co How 3-way switches work
----- 0609-co Potlights in insulated ceilings
----- 0610-co Use proper bulbs for potlights
----- 0611-co Poor heat lamp locations
----- 0612-co Isolating links needed on pull chains
----- 0613-co Reversed polarity
----- 0614-co Importance of correct polarity with light fixtures
----- 0615-co Wrong-type receptacle
----- 0616-co Ground-fault interrupter
----- 0617-co GFIs can protect ordinary outlets downstream
----- 0618-co Wiring for multi-wire branch circuits
----- 0619-co Load miser
----- 0620-co Bathroom outlets and switches
----- 0621-co Outlets near basins
----- 0622-co Outlets should not be above electric baseboard heaters
----- 0623-co Outlets in floors or countertops
----- 0624-co Garage outlets should be at least 18 inches off the floor
----- 0625-co Old push-button switches are obsolete
----- 0626-co Furnace switches
----- 0627-co How 3-way switches work
----- 0628-co Garbage disposal switches
----- 0629-co Garbage disposal wiring

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