Quote:
Originally Posted by AC/HL
Quote:
Originally Posted by rambo1152
Perhaps he installed the switch as a naughty unofficial modification.
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Seems likely, the GPO would probably have fitted a 328 with a bell off switch, they didn't allow customers to modify wiring.
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And if you hadn't a Tele 328 on the van, you'd fit a Tele 332 with a 'Switch Tumbler 1M' - it does appear on the N diagram for the Plan 1A - Extension telephone with 'Bell On/Off' switch - but usually used when the extension was a Tele 232.