... ,300W,400W High Pressure Sodium Lamp• The body is aluminum alloy, light weight, efficient heat dissipation.• ... Series is 25°, the lighting angle of LF20B is 50° & 150°,(refer to Light distribution curve)Specifications Nominal PowerLF201A ... at the side of the lamp, connect the power lines to terminal L, N, PE or ... directly connect to L, N, PE power through lead lines.• Then fasten the scews of ...