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Code Quiz: Hoistway Door Interlock Wiring
2017-11-01 22:12:32| Electrical Construction & Maintenance
When installing conductors for hoistway door interlock wiring, the conductors shall be ___________________. A) flame retardant and suitable for a temperature of not less than 200°C (392°F) and type SF or equivalent B) physically protected using an ap
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Category:Construction and Maintenance
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