MC connectors, warranties and PV system life [RE-wrenches]

[Eric Smiley]

>I have an idea that perhaps will reach fruition in the years to come- a
>twist lock style connector that will have a tab that lines up when it
is
>"twisted and locked" in place.

I thought both NEC 690.33(c) and CEC 50-016(d)required the connectors to
be a latching or locking type. Following this list, I understood that
some installers were heat shrinking the MC connectors. Aside from better
weather resistance, was this to meet the intent of 690.33(c)?

I was also told by an inspector that wire marked only TC must be
supported by a cable tray or raceway - at least in Canada. Is there an
exception in the NEC?

Eric Smiley
Project Leader
Photovoltaic Energy Applied Research, Technology Centre
British Columbia Institute of Technology
Burnaby Campus

NE25 - 3700 Willingdon Avenue
Burnaby, British Columbia
Canada V5G 3H2

phone: 604.432.8657    fax: 604.436.0286
esmiley at bcit.ca             www.tc.bcit.ca

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