CONSTRUCTION POLICY IN FOREST RESERVES 37 



Material and Uses Con. Description of Equipment Con. 



Con. 



Line (special short pole lines only) Nos. 12 and 14 B.W.G., B.B. galvanized -iron 



} telephone wire. 



Line (special extra long distance pole lines 



only, mostly metallic) Nos. 8 and 12 and 14 B. & S. gauge hard-drawn 



copper as required. 



Line spans, 500 feet and over Steel wire as required. 



Emergency lines No. 20 stranded, consisting of 10 strands of No. 



30 B. & S. gauge, hard-drawn copper wire, 



insulated. 



From line to fuse No. 14 B. & S. gauge, rubber-covered, braided, 



weather-proofed copper wire. Single for 

 grounded line, twisted-pair for metallic. 



From fuse to protector No. 14 B. & S. gauge, rubber-covered, braided, 



weather-proofed copper wire. Single for 

 grounded line, twisted-pair for metallic. 



From protector to all inside apparatus, in- 

 cluding telephone No. 19 B. & S. gauge, rubber-covered and braided 



copper wire. Single or twisted-pair. 



From protector to ground No. 14 B. & S. gauge, rubber-covered, braided 



and weather-proofed copper wire. Single. 



From line wire to portable telephone Special Forestry Branch portable connector. 



"Poles : 



Line supports (standard) 22J ft. long by 6 in. diameter at top. Green, or 



sound dead, peeled cedar, or other species, 

 with open tank butt treatment. 



Line supports (special) 18-ft. to 45-ft. cedar poles for special construc- 

 tion. Species other than cedar with 

 special treatment. 



Attachments, Wire to Poles : 



*Brackets 12-in. oak bracket, painted or oiled. 



Nails 6-in. and 4-in. galvanized-iron wire nails. 



"Insulators Glass, regular pony long-distance 14-oz., deep 



groove for No. 9 iron wire. Glass No. 

 9 pony for copper and No. 12 iron wire. 



Tie Wires No. 9 B.W.G. galvanized-iron wire on No. 9 wire 



lines. Nos. 8, 12, 14 B. & S. gauge, soft 

 copper wire on same gauge copper lines. 



Attachments, Wire to Trees : 



Fastener 3-in. or 4-in. wrought-iron staples, according to 



bark thickness. 



Tie Wires Nos. 9 or 12 B.W.G. galvanized-iron wire, 



according to tie employed. 



*Insulator No. 37 improved split tree insulator No. 6651. 



Linemen's Tools : 



Climbers Eastern type (in ordering state length desired) 



straps and pads are supplied separately. 



Belts with rings and safety straps 2}-in. (in ordering state length desired). 



Pliers, for cutting wire and making ties and 



splices /.8-in. linemen's side-cutting, with sleeve-twister, 



Klein make or equal. 



Combination wire and sleeve splicing-clamps, 



for making splices Reversible for sleeves (Nos. 8 to 12) and wire 



(Nos. 6 to 14), Klein make or equal. 



