thought Iíd finished with writing about knob and tube
wiring, but readers raised a couple of good points this week,
so Iíll go one more time.
tube is the earliest of the electrical wiring, basically
designed to power light bulbs between 1880 and 1930.
presence in existing houses has become an issue for many
lenders and home insurers, and it is serving to delay real
estate transactions until after large amounts of money have
been spent to replace the antiquated wiring.
Miller is the CEO of Donald Miller Electric Services LLC, in
Havertown, Penn., which specializes in the removal and
replacement of knob and tube wiring ó which, when you
consider the age of much of the Delaware County housing stock,
must be a full-time job.
problem I am seeing is with the rewire," Miller said.
"Too many electricians are trying to rewire homes without
proper safety measures.
of the older homes are filled with lead, as well as other
hazardous materials, locked into the plaster walls," he
said. "When the walls become home hazardous, debris is
spread throughout the home."
company has been certified to deal with lead paint hazards,
"and it scares me the bids we lose due to hazardous
rewire techniques," he said.
worse, most electricians donít care about the plaster at
all, so we are losing a piece of history," Miller said.
suggests is that a new home buyer test for lead before moving
in, not just sign off on the fact that lead might be present.
of education about knob and tube wiring concerns Realtor John
recent inspections by approved inspectors stated there was
knob and tube wiring," he said.
buyer requested $32,000 for rewiring the house, he said, but
because both houses were built after World War II, "it
signaled some doubt."
licensed electricians inspected the properties, "it turns
out both were Romex (a later generation of wiring) wrapped in
cloth," he said.
licensed electrician can tell the difference.