Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 259
Fig. 20. One-Wire Cleat. Fig. 21. Porcelain lusulatcr forLarge Conductors. tors is at least 2h inches in a two-wire system, and 2^ inchesbetween the two outside conductors in a three-wire system where thepotential between the outside conductors is not over 300 volts. Thecleat must hold the wire at…
Architecture · Building · Carpentry
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