Technical FAQs

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Will the 437PR plug coupling ring screw on to the 56 series socket outlets?

Yes, this part will screw on to the 56 Series oulets as well as the 473P.

Some of the key features are:
  • Female threads 2 inch B.S.P (11 T.P.I.), suits 439 Series, 437R Coupling Ring, Single Phase 56SO310 Series sockets, 56C310 Series combinations and SS15 Series suspension switch sockets.
For further information is

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