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had a call today to a wirleess system baged by Everest the window people. customer has the user guide and the engineers code but not engineering manual, the eng code he had only appeared to be a supervisor code and wouldn't let me into anything more then omitting zones, as he wanted a door...

im a 3rd year apprentice and need some help on a few questions: State the procedure and equipment required to perform each of the following tests a) insulation resistance for alarm cables b) continuity of alarm cables c) Safe isolation of a 230Vac supply for b) i was thinking...