BS546 gauges

BS546 gauges

Withdrawal-pull gauge for effectiveness of contact    BS546-Fig2       SC-B5F2

GO gauge for plug                                                            BS546-Fig3        SC-B5F3

Maximum GO gauge for socket-outlet                         BS546-Fig4        SC-B5F4

Minimum GO gauge for socket-outlet                          BS546-Fig5        SC-B5F5