You can always sleeve the leads of your motor for safety sake
even with heatshrink.?
It is cheap enough & readily available as well as easy to use.
I've done it before on gear that I wanted to make MORE fool
proof.
I once worked on a dental chair that the manufacturer wired
everything in the same gauge white wire.?
There were multiple voltages all the same wire - DC extra low
voltage to manual controls with metal parts, mains wiring ... the
works.?
Even many earths were in the same white but I think the mains was
green earth.
No wiring had any markings on it & the same single pin
connector was used on every wire to the PCBs.
The PCB also had no markings identifying what any connector was
for or even a connector number.?
That was years ago & that manufacturer did it to stop anyone
servicing their gear.?
Every IC had the markings sandblasted off them & even the
transistors had been defaced as well as some discrete components.
They would probably not be game to go quite so far now days with
wiring for safety reasons but I have seen newer gear that has all
the IC markings removed.
On 25-July-2022 4:08 pm, Gerald Feldman
wrote:
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The
problem is the same as that with thread sizes ¨C there are
simply too many of them to be uniform everywhere.
?
Even
just In the US, for house wiring (120 / 240 volts), ground
is bare or green, hot is black, and neutral is white (or
gray).? If the other phase of the hot is in the same
conduit, it may be any other color, but is usually red.? For
industrial three-phase wiring, the ¡°standard¡± colors will
vary with the voltage, and whether the distribution is delta
or wye.
?
Of
course, what is important is that the colors (or thread
sizes) used throughout the job are uniform and that everyone
working on the job understands exactly what ¡°standard¡± is
being used.
?
Jerry
F.
?
?
The colours used on the motor in question indicate the
manufacturer has given no thought to safety and just used a
commonly available cheap cable. I would never use the colours
for mains wiring on anything not intended to be plugged into
the mains.
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