Search this site
Embedded Files
Skip to main content
Skip to navigation
Josh The Sparky
Home
About
Resume
Learn
Schedule
Quick Hits
General Requirements for Wiring Methods and Materials
memory recap of general requirements article 300 in the nec
temperature and environment requirements for electricians
bushing and fittings requirements NEC
mechanical execution NEC
general firestopping requirements in the nec
code requirements for raceway sealing
conductors in boxes requirements
corrosion and moisture general requirements in the nec
underground installation general requirements
protection from damage
general requirements covered in article 300 NEC
what article 300 covers in the nec 2026
Flexible Cords and Cables
Misuse of Flexible cords and cables in the nec
Overcurrent Protection
Overfusing Wire Mistakes
General Requirements for Electrical Installations
Panel Working Space Violations
2026 Swimming Pools Hub
Overhead conductors near swimming pools
Spas and Hot Tub Rules in the NEC
Grounding Vs Bonding Fundamentals for Swimming Pools
4-28 Pool Lighting
4-26 Grounding and Bonding
4-25 GFCI receptacles
4-25 Pool Disconnects
4-24 Swimming Pools in the NEC
4-24 Pool Equipotential Bonding
4-23 Underground Wiring
4-23 Receptacle Spacing
4-22 GFCI around pools
4-21 Covers for Pits and Vaults
4-21 What made pool bonding click
4-20 pool and spa disconnects
4-20 Junction Boxes at Pools
4-19 Pool Classification
4-18 water bond
4-16 inspection approval for pools
4-16 pool bonding explained
4-15 hydromassage
4-14 pool heaters
4-14 pool receptacles
4-13 pool bonding
4-13 pool pump motors
4-12 cord and plugged pool
4-11 GFCI around pools
4-10 pool bonding or grounding
3-29 why bonding exists
3-17 Corrosive Environments
3-5 learn the definitions
3-3 not just about pools
2026 Fire Alarms Hub
4-30 Fire Alarm Circuit Wiring Methods NEC 760
4-29 Fire Alarm Systems
4-19 fire alarm inputs
4-18 Pull stations and smokes
4-17 nac circuits
4-16 install rules
4-12 fire alarm control
4-9 plfa circuits
3-31 when a fire alarm goes off
3-25 audible requirements
3-18 The one everyone forgets
2026 Grounding and Bonding
fault managed power systems explained
egc sizing made simple
current transformer and potential transformer secondary grounding in the ne
direct current grounding systems explained
intersystem bonding termination explained
why fault paths fail
locknuts and effective bonding
higher the voltage stricter the bonding requirements
service bonding what do we bond
bonding enclosures and isolated grounds
bonding is the fault path
the main bonding jumper
neutral termination rules
parallel paths in electrical systems
the neutral bond only happens once
missing links in separately derived systems
sizing your supply side bonding jumper
the ground rod and grounding electrode system
gunite pools
what is the best grounding electrode
not everything in dirt is a ground
grounding electrode systems explained in the nec
when alternating current systems must be grounded
Low voltage does not mean its safe
When NEC REQUIRES a System to Be Grounded
Grounding failures
What is Objectional Current
Neutral vs Ground confusion
Ground Rods do not Clear faults
Understanding the definitions of grounding and bonding in the nec
4-18 service bonding
2026 Outside Branch Circuits Hub
Do you know the rules of 225 NEC Feeders and Branch circuits
Disconnect Rules for 225 NEC Feeders
Supply Rules for 225 NEC Feeders
Protection and Installation Rules for 225 NEC Feeders
Clearance Rules for 225 NEC Feeders
Spacing and Support Rules for 225 NEC Feeders
Wiring Methods for 225 NEC Feeders
Outside Wiring for Feeders and Branch Circuits 225 NEC
3-9 disconnects at structures
2026 Outlet, Device, Pull, and Junction Boxes
one supply outlet box rule
outlet box protection and installation rules
wet location violations of conduit bodies and boxes
common misuse of conduit bodies
damaging conductors at entry
when conductors are damaged at entry
hidden junction boxes
spot box fill violations before they happen
pull box and junction box sizing
box protection and supports in the nec
box fill violations why they fail
box fill counting made easy
wet location violations
Box Rules electricians must know
2026 Branch Circuits
What Is a Branch Circuit NEC
Multiwire and Identification of Branch Circuits NEC
Voltage and Switching Branch Circuits NEC
GFCI Protection of Branch Circuits NEC
The Core Branch Circuit Rules NEC
AFCI Protection of Branch Circuits NEC
Protection of Branch Circuit Conductors NEC
Branch Circuit Receptacles and Loads
Branch Circuits Dwelling Receptacles
Special Locations for Branch Circuits NEC
Branch Circuits for Service and HVAC NEC
Branch Circuit Lighting Requirements NEC
AFCI confusion in the NEC
Why multi wire branch circuits need handle ties in the nec
GFCI doesnt mean safe enough
Why shared neutrals are dangerous
Bathroom outlet rules in the NEC
x-ray equipment in the NEC
EV Charging Systems in the NEC
EV Charging Cords and Cables
EV Charging Systems Scope
Equipment for General Use
Equipment for General Use Appliances
Sparky's Journal
the lifecycle of an electrical job
Finding the Unfindable
Why Understanding Other Countries’ Electrical Systems Actually Matters
OSHA 10 Construction
How Solar Panels Convert DC Power Into AC Power
how to be a better apprentice and what nobody tells you
the complete electricians knowledge iceberg
The Electricians Knowledge Iceberg Layer 12
The Electricians Knowledge Iceberg Layer 11
The Electricians Knowledge Iceberg Layer 10
The Electricians Knowledge Iceberg Layer 9
The Electricians Knowledge Iceberg Layer 8
electrician beware fake accounts on social media
missing points while arguing terminology
paul abernathy joins ecm
massachusetts electrical code 2026
The Electricians Knowledge Iceberg Layer 7
The Electricians Knowledge Iceberg Layer 6
electrical abbreviations every electrician should know
The Electricians Knowledge Iceberg Layer 5
The 6 Most Important NEC Articles Every Electrician Should Master
The Electricians Knowledge Iceberg Layer 4
equipotential bonding and gunite pools
The Electricians Knowledge Iceberg Layer 3
The Electricians Knowledge Iceberg Layer 2
How to Be a Better Apprentice
The Electricians Knowledge Iceberg
Misconceptions of the NEC
Using AI as a TOOL
What is Grounding and Bonding in the NEC?
The Battle of the Currents
What you put out matters
beyond the nec nfpa 70 70e 70b 72 101 explained
Fire Alarm Systems NEC 760 NFPA 72
Josh The Sparky
How to Study the NEC
Admitting Mistakes
What are Masters looking for?
Age of the Trade
Internet Comments
3 NEC Articles You Don’t Use Every Day
GFCI Explained
Top 4 Electrician Podcasts
Massachusetts Amendments
Difference between Grounding and Bonding
continuous load explained
Intro to the NEC
How to study article 250
15 amps or 20 amp breaker
Top 3 Sections in 314
Start Caring.
Boxfill QOTW
Cable Or Conductor
Electrocution
Power Factor
FastTraxSystem Shop Review
Website is Live
TradeHog for Studying
Transformer Confusion
Ohms Law Archive
Ampacity of Conductors In Cable Trays
Short Circuit Vs Ground Fault
Acronyms
SPARKYCON
SPACE VS PLACE IN THE TRADES
Who Cares
Sparky Weekly
sparkys weekly report week 14 june 21st
sparkys weekly report week 13 june 14th
sparkys weekly report week 12 june 7th
sparkys weekly report week 11 may 31st
sparkys weekly report week 10 may 24th
sparkys weekly report week 9 may 17th
Sparkys Weekly Report Week 8 May 10th
Sparkys Weekly Report Week 7 May 3rd
Week 6 April 26
Week 5 April 19
Week 4 April 12
Week 3 April 5
Week 2 March 29
Week 1 March 22
Videos
Videos ARCHIVE
Brain Busters
QUESTION OF THE WEEK
Sources
Tool List
Contact Form
The Electrician Knowledge Iceberg
Josh The Sparky
Home
About
Resume
Learn
Schedule
Quick Hits
General Requirements for Wiring Methods and Materials
memory recap of general requirements article 300 in the nec
temperature and environment requirements for electricians
bushing and fittings requirements NEC
mechanical execution NEC
general firestopping requirements in the nec
code requirements for raceway sealing
conductors in boxes requirements
corrosion and moisture general requirements in the nec
underground installation general requirements
protection from damage
general requirements covered in article 300 NEC
what article 300 covers in the nec 2026
Flexible Cords and Cables
Misuse of Flexible cords and cables in the nec
Overcurrent Protection
Overfusing Wire Mistakes
General Requirements for Electrical Installations
Panel Working Space Violations
2026 Swimming Pools Hub
Overhead conductors near swimming pools
Spas and Hot Tub Rules in the NEC
Grounding Vs Bonding Fundamentals for Swimming Pools
4-28 Pool Lighting
4-26 Grounding and Bonding
4-25 GFCI receptacles
4-25 Pool Disconnects
4-24 Swimming Pools in the NEC
4-24 Pool Equipotential Bonding
4-23 Underground Wiring
4-23 Receptacle Spacing
4-22 GFCI around pools
4-21 Covers for Pits and Vaults
4-21 What made pool bonding click
4-20 pool and spa disconnects
4-20 Junction Boxes at Pools
4-19 Pool Classification
4-18 water bond
4-16 inspection approval for pools
4-16 pool bonding explained
4-15 hydromassage
4-14 pool heaters
4-14 pool receptacles
4-13 pool bonding
4-13 pool pump motors
4-12 cord and plugged pool
4-11 GFCI around pools
4-10 pool bonding or grounding
3-29 why bonding exists
3-17 Corrosive Environments
3-5 learn the definitions
3-3 not just about pools
2026 Fire Alarms Hub
4-30 Fire Alarm Circuit Wiring Methods NEC 760
4-29 Fire Alarm Systems
4-19 fire alarm inputs
4-18 Pull stations and smokes
4-17 nac circuits
4-16 install rules
4-12 fire alarm control
4-9 plfa circuits
3-31 when a fire alarm goes off
3-25 audible requirements
3-18 The one everyone forgets
2026 Grounding and Bonding
fault managed power systems explained
egc sizing made simple
current transformer and potential transformer secondary grounding in the ne
direct current grounding systems explained
intersystem bonding termination explained
why fault paths fail
locknuts and effective bonding
higher the voltage stricter the bonding requirements
service bonding what do we bond
bonding enclosures and isolated grounds
bonding is the fault path
the main bonding jumper
neutral termination rules
parallel paths in electrical systems
the neutral bond only happens once
missing links in separately derived systems
sizing your supply side bonding jumper
the ground rod and grounding electrode system
gunite pools
what is the best grounding electrode
not everything in dirt is a ground
grounding electrode systems explained in the nec
when alternating current systems must be grounded
Low voltage does not mean its safe
When NEC REQUIRES a System to Be Grounded
Grounding failures
What is Objectional Current
Neutral vs Ground confusion
Ground Rods do not Clear faults
Understanding the definitions of grounding and bonding in the nec
4-18 service bonding
2026 Outside Branch Circuits Hub
Do you know the rules of 225 NEC Feeders and Branch circuits
Disconnect Rules for 225 NEC Feeders
Supply Rules for 225 NEC Feeders
Protection and Installation Rules for 225 NEC Feeders
Clearance Rules for 225 NEC Feeders
Spacing and Support Rules for 225 NEC Feeders
Wiring Methods for 225 NEC Feeders
Outside Wiring for Feeders and Branch Circuits 225 NEC
3-9 disconnects at structures
2026 Outlet, Device, Pull, and Junction Boxes
one supply outlet box rule
outlet box protection and installation rules
wet location violations of conduit bodies and boxes
common misuse of conduit bodies
damaging conductors at entry
when conductors are damaged at entry
hidden junction boxes
spot box fill violations before they happen
pull box and junction box sizing
box protection and supports in the nec
box fill violations why they fail
box fill counting made easy
wet location violations
Box Rules electricians must know
2026 Branch Circuits
What Is a Branch Circuit NEC
Multiwire and Identification of Branch Circuits NEC
Voltage and Switching Branch Circuits NEC
GFCI Protection of Branch Circuits NEC
The Core Branch Circuit Rules NEC
AFCI Protection of Branch Circuits NEC
Protection of Branch Circuit Conductors NEC
Branch Circuit Receptacles and Loads
Branch Circuits Dwelling Receptacles
Special Locations for Branch Circuits NEC
Branch Circuits for Service and HVAC NEC
Branch Circuit Lighting Requirements NEC
AFCI confusion in the NEC
Why multi wire branch circuits need handle ties in the nec
GFCI doesnt mean safe enough
Why shared neutrals are dangerous
Bathroom outlet rules in the NEC
x-ray equipment in the NEC
EV Charging Systems in the NEC
EV Charging Cords and Cables
EV Charging Systems Scope
Equipment for General Use
Equipment for General Use Appliances
Sparky's Journal
the lifecycle of an electrical job
Finding the Unfindable
Why Understanding Other Countries’ Electrical Systems Actually Matters
OSHA 10 Construction
How Solar Panels Convert DC Power Into AC Power
how to be a better apprentice and what nobody tells you
the complete electricians knowledge iceberg
The Electricians Knowledge Iceberg Layer 12
The Electricians Knowledge Iceberg Layer 11
The Electricians Knowledge Iceberg Layer 10
The Electricians Knowledge Iceberg Layer 9
The Electricians Knowledge Iceberg Layer 8
electrician beware fake accounts on social media
missing points while arguing terminology
paul abernathy joins ecm
massachusetts electrical code 2026
The Electricians Knowledge Iceberg Layer 7
The Electricians Knowledge Iceberg Layer 6
electrical abbreviations every electrician should know
The Electricians Knowledge Iceberg Layer 5
The 6 Most Important NEC Articles Every Electrician Should Master
The Electricians Knowledge Iceberg Layer 4
equipotential bonding and gunite pools
The Electricians Knowledge Iceberg Layer 3
The Electricians Knowledge Iceberg Layer 2
How to Be a Better Apprentice
The Electricians Knowledge Iceberg
Misconceptions of the NEC
Using AI as a TOOL
What is Grounding and Bonding in the NEC?
The Battle of the Currents
What you put out matters
beyond the nec nfpa 70 70e 70b 72 101 explained
Fire Alarm Systems NEC 760 NFPA 72
Josh The Sparky
How to Study the NEC
Admitting Mistakes
What are Masters looking for?
Age of the Trade
Internet Comments
3 NEC Articles You Don’t Use Every Day
GFCI Explained
Top 4 Electrician Podcasts
Massachusetts Amendments
Difference between Grounding and Bonding
continuous load explained
Intro to the NEC
How to study article 250
15 amps or 20 amp breaker
Top 3 Sections in 314
Start Caring.
Boxfill QOTW
Cable Or Conductor
Electrocution
Power Factor
FastTraxSystem Shop Review
Website is Live
TradeHog for Studying
Transformer Confusion
Ohms Law Archive
Ampacity of Conductors In Cable Trays
Short Circuit Vs Ground Fault
Acronyms
SPARKYCON
SPACE VS PLACE IN THE TRADES
Who Cares
Sparky Weekly
sparkys weekly report week 14 june 21st
sparkys weekly report week 13 june 14th
sparkys weekly report week 12 june 7th
sparkys weekly report week 11 may 31st
sparkys weekly report week 10 may 24th
sparkys weekly report week 9 may 17th
Sparkys Weekly Report Week 8 May 10th
Sparkys Weekly Report Week 7 May 3rd
Week 6 April 26
Week 5 April 19
Week 4 April 12
Week 3 April 5
Week 2 March 29
Week 1 March 22
Videos
Videos ARCHIVE
Brain Busters
QUESTION OF THE WEEK
Sources
Tool List
Contact Form
The Electrician Knowledge Iceberg
More
Home
About
Resume
Learn
Schedule
Quick Hits
General Requirements for Wiring Methods and Materials
memory recap of general requirements article 300 in the nec
temperature and environment requirements for electricians
bushing and fittings requirements NEC
mechanical execution NEC
general firestopping requirements in the nec
code requirements for raceway sealing
conductors in boxes requirements
corrosion and moisture general requirements in the nec
underground installation general requirements
protection from damage
general requirements covered in article 300 NEC
what article 300 covers in the nec 2026
Flexible Cords and Cables
Misuse of Flexible cords and cables in the nec
Overcurrent Protection
Overfusing Wire Mistakes
General Requirements for Electrical Installations
Panel Working Space Violations
2026 Swimming Pools Hub
Overhead conductors near swimming pools
Spas and Hot Tub Rules in the NEC
Grounding Vs Bonding Fundamentals for Swimming Pools
4-28 Pool Lighting
4-26 Grounding and Bonding
4-25 GFCI receptacles
4-25 Pool Disconnects
4-24 Swimming Pools in the NEC
4-24 Pool Equipotential Bonding
4-23 Underground Wiring
4-23 Receptacle Spacing
4-22 GFCI around pools
4-21 Covers for Pits and Vaults
4-21 What made pool bonding click
4-20 pool and spa disconnects
4-20 Junction Boxes at Pools
4-19 Pool Classification
4-18 water bond
4-16 inspection approval for pools
4-16 pool bonding explained
4-15 hydromassage
4-14 pool heaters
4-14 pool receptacles
4-13 pool bonding
4-13 pool pump motors
4-12 cord and plugged pool
4-11 GFCI around pools
4-10 pool bonding or grounding
3-29 why bonding exists
3-17 Corrosive Environments
3-5 learn the definitions
3-3 not just about pools
2026 Fire Alarms Hub
4-30 Fire Alarm Circuit Wiring Methods NEC 760
4-29 Fire Alarm Systems
4-19 fire alarm inputs
4-18 Pull stations and smokes
4-17 nac circuits
4-16 install rules
4-12 fire alarm control
4-9 plfa circuits
3-31 when a fire alarm goes off
3-25 audible requirements
3-18 The one everyone forgets
2026 Grounding and Bonding
fault managed power systems explained
egc sizing made simple
current transformer and potential transformer secondary grounding in the ne
direct current grounding systems explained
intersystem bonding termination explained
why fault paths fail
locknuts and effective bonding
higher the voltage stricter the bonding requirements
service bonding what do we bond
bonding enclosures and isolated grounds
bonding is the fault path
the main bonding jumper
neutral termination rules
parallel paths in electrical systems
the neutral bond only happens once
missing links in separately derived systems
sizing your supply side bonding jumper
the ground rod and grounding electrode system
gunite pools
what is the best grounding electrode
not everything in dirt is a ground
grounding electrode systems explained in the nec
when alternating current systems must be grounded
Low voltage does not mean its safe
When NEC REQUIRES a System to Be Grounded
Grounding failures
What is Objectional Current
Neutral vs Ground confusion
Ground Rods do not Clear faults
Understanding the definitions of grounding and bonding in the nec
4-18 service bonding
2026 Outside Branch Circuits Hub
Do you know the rules of 225 NEC Feeders and Branch circuits
Disconnect Rules for 225 NEC Feeders
Supply Rules for 225 NEC Feeders
Protection and Installation Rules for 225 NEC Feeders
Clearance Rules for 225 NEC Feeders
Spacing and Support Rules for 225 NEC Feeders
Wiring Methods for 225 NEC Feeders
Outside Wiring for Feeders and Branch Circuits 225 NEC
3-9 disconnects at structures
2026 Outlet, Device, Pull, and Junction Boxes
one supply outlet box rule
outlet box protection and installation rules
wet location violations of conduit bodies and boxes
common misuse of conduit bodies
damaging conductors at entry
when conductors are damaged at entry
hidden junction boxes
spot box fill violations before they happen
pull box and junction box sizing
box protection and supports in the nec
box fill violations why they fail
box fill counting made easy
wet location violations
Box Rules electricians must know
2026 Branch Circuits
What Is a Branch Circuit NEC
Multiwire and Identification of Branch Circuits NEC
Voltage and Switching Branch Circuits NEC
GFCI Protection of Branch Circuits NEC
The Core Branch Circuit Rules NEC
AFCI Protection of Branch Circuits NEC
Protection of Branch Circuit Conductors NEC
Branch Circuit Receptacles and Loads
Branch Circuits Dwelling Receptacles
Special Locations for Branch Circuits NEC
Branch Circuits for Service and HVAC NEC
Branch Circuit Lighting Requirements NEC
AFCI confusion in the NEC
Why multi wire branch circuits need handle ties in the nec
GFCI doesnt mean safe enough
Why shared neutrals are dangerous
Bathroom outlet rules in the NEC
x-ray equipment in the NEC
EV Charging Systems in the NEC
EV Charging Cords and Cables
EV Charging Systems Scope
Equipment for General Use
Equipment for General Use Appliances
Sparky's Journal
the lifecycle of an electrical job
Finding the Unfindable
Why Understanding Other Countries’ Electrical Systems Actually Matters
OSHA 10 Construction
How Solar Panels Convert DC Power Into AC Power
how to be a better apprentice and what nobody tells you
the complete electricians knowledge iceberg
The Electricians Knowledge Iceberg Layer 12
The Electricians Knowledge Iceberg Layer 11
The Electricians Knowledge Iceberg Layer 10
The Electricians Knowledge Iceberg Layer 9
The Electricians Knowledge Iceberg Layer 8
electrician beware fake accounts on social media
missing points while arguing terminology
paul abernathy joins ecm
massachusetts electrical code 2026
The Electricians Knowledge Iceberg Layer 7
The Electricians Knowledge Iceberg Layer 6
electrical abbreviations every electrician should know
The Electricians Knowledge Iceberg Layer 5
The 6 Most Important NEC Articles Every Electrician Should Master
The Electricians Knowledge Iceberg Layer 4
equipotential bonding and gunite pools
The Electricians Knowledge Iceberg Layer 3
The Electricians Knowledge Iceberg Layer 2
How to Be a Better Apprentice
The Electricians Knowledge Iceberg
Misconceptions of the NEC
Using AI as a TOOL
What is Grounding and Bonding in the NEC?
The Battle of the Currents
What you put out matters
beyond the nec nfpa 70 70e 70b 72 101 explained
Fire Alarm Systems NEC 760 NFPA 72
Josh The Sparky
How to Study the NEC
Admitting Mistakes
What are Masters looking for?
Age of the Trade
Internet Comments
3 NEC Articles You Don’t Use Every Day
GFCI Explained
Top 4 Electrician Podcasts
Massachusetts Amendments
Difference between Grounding and Bonding
continuous load explained
Intro to the NEC
How to study article 250
15 amps or 20 amp breaker
Top 3 Sections in 314
Start Caring.
Boxfill QOTW
Cable Or Conductor
Electrocution
Power Factor
FastTraxSystem Shop Review
Website is Live
TradeHog for Studying
Transformer Confusion
Ohms Law Archive
Ampacity of Conductors In Cable Trays
Short Circuit Vs Ground Fault
Acronyms
SPARKYCON
SPACE VS PLACE IN THE TRADES
Who Cares
Sparky Weekly
sparkys weekly report week 14 june 21st
sparkys weekly report week 13 june 14th
sparkys weekly report week 12 june 7th
sparkys weekly report week 11 may 31st
sparkys weekly report week 10 may 24th
sparkys weekly report week 9 may 17th
Sparkys Weekly Report Week 8 May 10th
Sparkys Weekly Report Week 7 May 3rd
Week 6 April 26
Week 5 April 19
Week 4 April 12
Week 3 April 5
Week 2 March 29
Week 1 March 22
Videos
Videos ARCHIVE
Brain Busters
QUESTION OF THE WEEK
Sources
Tool List
Contact Form
The Electrician Knowledge Iceberg
Quick Hits
📁
June
Google Sites
Report abuse
Page details
Page updated
Google Sites
Report abuse
