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ELECTRICAL INSPECTION, DIAGNOSIS, REPAIR AFCIs ARC FAULT CIRCUIT INTERRUPTERS ALUMINUM SECs & WIRING ALUMINUM WIRING HAZARDS AMPS & VOLTS DETERMINATION AMPACITY - the LIMITING FACTOR APPLIANCE EFFICIENCY RATINGS BOOKSTORE - ELECTRICAL CIRCUIT BREAKER FAILURE Classified CIRCUIT BREAKER WARNING DEFINITIONS of ELECTRICAL TERMS DIRECTORY OF ELECTRICIANS ELECTRIC METERS & METER BASES ELECTRIC PANEL AMPACITY ELECRICAL PANEL INSPECTION COURSE SUMMARY ELECTRICAL INSPECTION SAFETY ELECTRICAL VOCABULARY SERVICE DROP WIRE CLEARANCES SERVICE ENTRY WIRING DETERMINE SERVICE AMPACITY TABLE OF SERVICE AMPACITY SERVICE AMPACITY DEFECTS ELECTRICAL GROUND SYSTEM INSPECTION TABLE OF GROUND WIRE SIZES SERVICE GROUNDING MAIN DISCONNECT MAIN SWITCH LOCATION MAIN SWITCH SYSTEM GROUNDING DISTRIBUTION PANELS PANEL COVER CIRCUIT WIRING AMPS FUSING PROBLEM-BRAND ELEC PANELS ELEC PANEL LOCATION FUSES vs CIRCUIT BREAKERS MAIN DISCONNECT INSPECTION OTHER PANEL DEFECTS ELECTRICAL BASICS ENERGY SAVINGS in BUILDINGS FEDERAL PACIFIC FPE HAZARDS GROUND SYSTEM INSPECTION KNOB & TUBE WIRING LIGHTNING PROTECTION LOW VOLTAGE BUILDING WIRING MAIN DISCONNECT AMPACITY MULTI-WIRE CIRCUITS PUSHMATIC - BULLDOG PANELS RUST in ELECTRICAL PANELS SAFETY FOR ELECTRICAL INSPECTORS SE CABLE SIZES vs AMPS SQUARE-D RECALLS UNDERGROUND SERVICE LATERALS VOLTAGE MEASUREMENT EQUIPMENT WIND TURBINES ZINSCO / SYLVANIA HAZARDS More Information InspectAPedia Blog - News Updates Air Conditioning & Heat Pumps Bookstore Electrical Environment Exteriors Heating Home Inspection Insulate Ventilate Interiors Mold Inspect/Test Plumbing Water Septic Roofing Structure Accuracy & Privacy Policies Contact Us |
This document discusses procedures for safe and effective visual inspection of residential electrical systems including electrical panels and other components, when the inspection is conducted by trained building inspection professionals, home inspectors, electrical inspectors, and electricians. It was presented by Daniel Friedman - InspectApedia.com, at the Hudson Valley chapter of the American Society of Home Inspectors - HVASHI Seminar 12 Sept 2002, Updated April 2006, April 2009. Readers of this article should also be sure to review Safety Hazards and Safe Electrical Inspection Procedures for Inspectors examining Residential Electrical Systems and should pay special attention to the following chapters from that article: Electrical Panel Interior Inspection - Removing Electric Panel Covers - Electrical Panel Cover Screws - Electrical Panel Interior Hazards - Testing Main Breakers or Fuses and Inspect Breakers, Fuses. Carson Dunlop's sketch at page top shows where the electrical inspection starts at a residential property. © Copyright 2010 Daniel Friedman, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use links at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website. COURSE SUMMARY - Electric Panel Inspection Course SummarySAFETY WARNING: Inspection of electrical systems risks death by fatal electrical shock. The procedures discussed in this class require that the cover of the panel be removed in order to expose the panel interior. Homeowners should not attempt this step, and no one lacking proper electrical safety training should remove the electrical panel cover nor attempt to perform the tasks discussed in this class. ELECTRICAL CODE COMPLIANCE WARNING: these inspection procedures are designed to assist in the detection and reporting of electrical service defects which can be recognized by visual inspection. This inspection is not for the purpose of determining compliance with local or national electrical codes. Guidelines given here, such as overhead wire clearances, are based on widely-accepted codes and standards, but local building codes may specify other or different restrictions. Part I - Electrical Panel Defect Identification - Principles
Part II - Electrical Panel Defect Recognition - Photos of Electrical Defects & ExamplesThis section of the class contains annotated field photographs of certain electrical panel defects which can be recognized by visual inspection. That is, no instruments, no measurements, and no insertion of any device into the electrical panel are required to perform these tasks. I have these photos on file and will add them to this presentation if readers request ELECTRICAL INSPECTION SAFETY - Overview of the Residential Electrical System and Electrical Inspection Hazards
Safety Procedures for Residential Building Electrical InspectorsSAFETY WARNING: Inspection of electrical systems risks death by fatal electrical shock. The procedures discussed in this class require that the cover of the panel be removed in order to expose the panel interior. Homeowners should not attempt this step, and no one lacking proper electrical safety training should remove the electrical panel cover nor attempt to perform the tasks discussed in this class. Electrical Panel Inspection Safety - Critical WarningsDo not:
Protect nearby observers, clients, etc. from hazards [added by DF 2/13/2006]
More Reading on Electrical Inspection Safety
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Use links just below or at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.
ELECRICAL PANEL INSPECTION
COURSE SUMMARY
ELECTRICAL INSPECTION SAFETY
ELECTRICAL VOCABULARY
SERVICE DROP
WIRE CLEARANCES
SERVICE ENTRY WIRING
DETERMINE SERVICE AMPACITY
TABLE OF SERVICE AMPACITY
SERVICE AMPACITY DEFECTS
ELECTRICAL GROUND SYSTEM INSPECTION
TABLE OF GROUND WIRE SIZES
SERVICE GROUNDING
MAIN DISCONNECT
MAIN SWITCH LOCATION
MAIN SWITCH
SYSTEM GROUNDING
DISTRIBUTION PANELS
PANEL COVER
CIRCUIT WIRING AMPS FUSING
PROBLEM-BRAND ELEC PANELS
ELEC PANEL LOCATION
FUSES vs CIRCUIT BREAKERS
MAIN DISCONNECT INSPECTION
OTHER PANEL DEFECTS
ELECTRICAL BASICS
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11/26/2009 - 09/12/2002 - InspectApedia.com/electric/ElecPanelInsp.htm - © 2010-2002 Copyright Daniel Friedman All Rights Reserved - InspectAPedia® is a Registered U.S. Trademark