Well, now that makes sense. not good sense mind you, but it does explain the
situation that the OP must have. I pity the fool that plugs the vacuum into
that outlet
Of course it affects the light: wiring a single wire to both travelers is
exactly equivalent to shorting the travelers to each other. The light will
always be on.
Draw yourself a diagram.
--
Regards,
Doug Miller (alphageek at milmac dot com)
I think the hot wire from the receptacle is connected to ONE traveler
and the neutral wire from the receptacle is connected to the OTHER
traveler (not one wire connected to both travelers). Is that right?
This wouldn't work with the 3-ways connected the "right" way, but
would work if they were wired a different way (where hot and neutral
are connected to both switches, and the light to the common
terminals).
BTW, that was the first way I knew to connect 3-ways, but had not
actually connected any that way before learning it was unsafe (the
light can be off and hot).
When Roger Shoaf first answered the question by saying " as many as will
fit", should be a correct answer as panel manufacturers now, design the buss
and rails to allow only a limited combination of breaker sizes in them, but
many of the panels made in the sixties and seventies had nothing for
preventing overloading . It seemed to me their main concern was keeping
other manufactures breakers out of their panels
wrote:
Panels and breakers have been "class CTL" (circuit limiting) for a long
time. Half width breakers have a feature that limits the positions where
they can be installed, which limits the maximum number of half sized
breakers. There are still non-class CTL breakers available for older
panels that fit in CTL panels that can allow more than the intended
number of poles in the panel, so "as many as will fit" is not entirely
right. Non-class CTL breakers will not be among those listed as
acceptable on the panel label, making their installation a code violation.
Panels are designed and tested by UL for a maximum number of poles.
Class CTL enforces the maximum number of poles that the panel was
designed and tested for. I think the issue is heating in the panel.
Last I heard the 42 pole limit on panels is being eliminated in the 2008
NEC. UL will still have to change their standard and panels will have
to be tested before panels with more than 42 poles appear.
--
bud--
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