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The two jaw clip spacers, and one 

 hinge clip spacer, are also made from bus 

 bar copper. Cut them to length, file the 

 edges, and bend up one end in a vise. Drill 

 the jaw clip spacers as in detail 4 and 

 the hinge clip spacer as in detail 6. 



Get some sheet copper j'i in. thick, and 



draw an outline of the hinge clip upon it 

 as shown in detail 3. Cut around it with 

 a hack saw, finish it with a file, and drill it 

 as indicated. 



As shown in detail 7, cut ofT a piece of 

 bus bar copper for the blade, 9}i in. long, 

 and drill a 17/64-in. hole % in. from one 



2' 



,-J 3 HOLES ^ DRILL 



TOP CUP 4 10-32 TAP . 

 BOTTOM CUP 4 H0LE5 9 DRILL 

 DPT 5 

 2 TOP & 2 BOTTOM REQD. 



DEI 5 

 i TOP A 1 BOTTOM REa'D 



DEI 4 

 Z REG'D 



I '— *r» 



i- y 4 DRILL 



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£i" 



^ 



rr 



/ 



>— ^ii^ 



64 DRILL 



DRILL TO SUIT 



HANDLE' 



/r 



fOKO 



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DET. 6 



1 RtCiD DET. 7 1 REQD 



Details of the parts that enter into the construction of a grounding, single throw switch 

 in which their combination gives a maximum insulation efficiency at a minimum cost 



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