procurement of electrical safety devices . as per nit , procurement of electrical safety devices . , pull cord switch with integral terminal box for direct looping without use of any additional junction box , with ms mounting base plate , double compression brass cable gland & led indication lamp . technical parameters are as follows: ( a ) enclosure: pressure die cast aluminium , b ) grade of protection: ip 66 , ( bidders must submit test report for grade of protection issued by any nabl accredited laboratory along with their bid/offer documents ) . ( c ) contact arrangement: 2 no + 2 nc , ( d ) contact elements ( tip ) : silver cadmium alloy ( e ) supply voltage: 24 v dc ( f ) contact rating: 10 a res . at 240 v ac , ( g ) reset: manual ( h ) cable entry: 2 nos . 19 mm isze conduit threaded cable . ( i ) paint shade- 176 as per is-5 , pull cord rope with the following parameters: ( a ) construction : 6x7 construction , ( b ) no . of strands-42 , ( c ) material: pvc coated galvanised steel rope having hemp core inside with overall dia 4-5 mm . ( d ) tensile strength-270-300 psi mate code 93060070075 , belt sway switch with integral terminal box for direct looping without use of any additional junction box , with ms mounting base plate , double compression brass cable gland & led indication lamp . technical parameters are as follows: ( a ) enclosure: pressure die cast aluminium , ( b ) grade of protection: ip 66 , ( bidders must submit test report for grade of protection issued by any nabl accredited laboratory along with their bid/offer documents ) . ( c ) contact arrangement: 2 no + 2 nc , ( d ) contact elements ( tip ) : silver cadmium alloy ( e ) supply voltage: 24 v dc ( f ) contact rating: 10 a res . at 240 v ac , ( g ) reset: auto ( h ) cable entry: 2 nos . 19 mm isze conduit threaded cable . ( i ) paint shade- 176 as per is-5