High-strength insulator porcelainMounts on 4" (101.6mm) outlet boxes with breakout for 3.25" (82.55mm) box mountingPull chain socket interiors are removablePull chain devices include ball chain, 3 (0.91m) of cord, connector and end bell.Top wire versions have terminal screws backed out - ready for wiring without removing the interiorSockets available in two piece version to permit interior replacement, dust ring protects against plaster and dirtShade grooves provided on two piece version
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