Evolution of the Quick connect [RE-wrenches]

[Mark Frye]

Here is the new language regarding connectors form NEC 2008:

"690.33 Connectors.
The connectors permitted by Article 690 shall comply with 690.33(A) through
(E).
(A) Configuration. The connectors shall be polarized and shall have a
configuration that is no interchangeable with receptacles in other
electrical systems on the premises.
(B) Guarding. The connectors shall be constructed and installed so as to
guard against inadvertent contact with live parts by persons.
(C) Type. The connectors shall be of the latching or locking type.
Connectors that are readily accessible and that are used in circuits
operating at over 30 volts, nominal, maximum system voltage for dc circuits,
or 30 volts for ac circuits, shall require a tool for opening.
(D) Grounding Member. The grounding member shall be the first to make and
the last to break contact with the mating connector.
(E) Interruption of Circuit. Connectors shall be either (1) or (2):
(1) Be rated for interrupting current without hazard to the operator.
(2) Be a type that requires the use of a tool to open and marked "Do Not
Disconnect Under Load" or "Not for Current Interrupting.""


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