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2. Plug-in box (stage lighting) - Wikipedia

   en.wikipedia.org/wiki/Plug-in_box_(stage_lighting)

   Moving heads connected to a plug-in box (center). In stage lighting, a plug-in box, plug box [1] or drop box [2] is a device, similar to a power strip, to distribute power to multiple lighting instruments, consisting of an inlet (either detachable or hard-wired), and multiple female outlet connectors or pigtails.

3. Track lighting - Wikipedia

   en.wikipedia.org/wiki/Track_lighting

   For all low-voltage fixtures or systems a special dimmer (if used) is required, as standard dimmers cause flickering because of the interaction with the transformers' load characteristics: magnetic transformers are inductive, while electronic ones are capacitive. The dimmers control the mains input to the transformers.

4. Dimmer - Wikipedia

   en.wikipedia.org/wiki/Dimmer

   European dimmers must comply with relevant EMC legislation requirements; this involves suppressing the emissions described above to limits described in EN55104. In the electrical schematic shown, a typical light dimmer based on a silicon-controlled rectifier (SCR) dims the light through phase-angle control. This unit is wired in series with the ...

5. Industrial and multiphase power plugs and sockets - Wikipedia

   en.wikipedia.org/wiki/Industrial_and_multiphase...

   The normal technical term (in both British and International English) for an AC power socket is socket-outlet, [4] but in non-technical common use a number of other terms are used. In British English the general term is socket, but there are numerous common alternatives, including power point, [5] plug socket, [6] wall socket, [7] and wall plug ...

6. AC power plugs and sockets: British and related types

   en.wikipedia.org/wiki/AC_power_plugs_and_sockets:...

   BS 8546 applies to travel adaptors having at least one plug or socket-outlet portion compatible with BS 1363 plugs and socket-outlets. [89] It was first published in April 2016 to provide a standard for travel adaptors suitable for the connection of a non-BS 1363 plug, or to a non-BS 1363 socket-outlet.

7. Stage pin connector - Wikipedia

   en.wikipedia.org/wiki/Stage_pin_connector

   A newer stage pin connector. Note the GR denoting the longer ground pin, which is slightly off-center to prevent the plug being inserted upside down.. A stage pin connector, also known as a grounded stage pin (GSP), grounded pin connector (GPC) or theater paddle (TP), is a standard cable type for theatrical lighting in North America and in many countries in the theatre world.