How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
ELECTRICAL - OLD AND OBSOLETE
Sunday, January 17, 2021
Here’s links to a collection of our blog posts about OLD AND OBSOLETE ELECTRICAL:
• Is all cloth wiring dangerous?
• When did they stop using aluminum wiring?
• Why is there a 3-phase breaker in a single phase electric panel with only two bus bars?
• When did knob and tube wiring stop being used in homes?
• Is knob and tube wiring illegal?
• When should a corroded or damaged electric panel cabinet or disconnect box be replaced?
• What are the code requirements for an old fuse panel/box?
• What is a split bus electric panel?
• How do I identify a combination AFCI (CAFCI) circuit breaker?
• Why is a fuse box/panel an insurance problem for homebuyers?
• Why are old electrical components not always "grandfathered" as acceptable by home inspectors?
• Why is an old fuse panel dangerous?
• Why are Zinsco and Sylvania-Zinsco electric panels a problem?
• Who is the manufacturer of those "bad" electric panels?
• How do I find out the manufacturer of an old electrical panel?
• Should I buy a house with a fuse panel/box?
• How dangerous is rust and corrosion inside an electrical panel?
• Why are Challenger electrical panels not insurable?
• When did they stop using aluminum wiring in houses?
• Are Wadsworth electrical panels dangerous?
• How old is a Wadsworth breaker panel?
• How old is a Walker EQ Load Center electrical panel? Is it unsafe?
• How old is a Pushmatic electrical panel? is it safe?
• When should I replace electric receptacle outlets?
• What are those strange looking wall switches in houses from the 1950s and 1960s?
• Are light switches required to be grounded?
• How dangerous is old electrical wiring?
• Is there an adapter that can be placed on a two-slot receptacle to make it safe?
• I heard that aluminum wiring is bad. How do you check for aluminum wiring?
• What is "knob and tube" wiring?
• Why is there no bathroom electric receptacle in this old house?
• Are two-prong outlets up to code and legal?
• What can I do about an apartment with only two prong/slot receptacle outlets?
• What is tinned copper wiring?
• Will old cloth wiring cause me to fail a four-point insurance inspection?
• What is an MRD Energy Model R-80?
• What are common problems with split-bus electrical panels?
• Are split-bus electrical panels illegal?
• When did code require replacement of cloth wiring in homes?
• Why did circuit breakers replace fuses?
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