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Mike Hartigan

In article , says...
Meat Plow writes:

You could make an extended quad-receptacle box. 2 circuits at
120volts, each hot as feed and split neutral and ground to each.
It should be changed at the breaker...but would work. Jury rigged,
cobbled...Smoky Stovert style.

I took 240 from an old electric stove outlet and made two 120 strips for
my workbench. That was 15 years ago.

It will function fine in normal use. But the wiring and the outlets in
your 120 V strips are likely designed to carry 15 A, while they are
"protected" by a breaker that will carry 40 A. This isn't safe in an
overload, unless you change the breaker to a two-pole 15 A one.

The breakers are designed to protect the wiring in the house, not the
devices plugged into it. From that perspective, there would be no
overload hazard created by this scheme.