Presently, Ex-e connections are made at Ex-e terminal blocks
fastened in junction boxes. While this method is a common
practice in Europe, it is only used in North America for
instrumentation, control and telecom installations. The most
common termination method is made via twist on connectors or
“wire nuts.” There exists an opportunity for the construction
market and with OEMs for an Ex-e type wire nut. For example,
to obtain a Zone 1 light fixtures, a manufacturer would have to
redesign the internal wiring by eliminating wire nuts and
installing Ex-e terminal blocks. The fixture would have to be redesigned
to gain extra room and additional material costs.