An externalized conductor occurs when the cable, or conductor, from inside the lead wears through the outer silicone insulation around the lead and appears outside the insulation body.
Tween Brands, another company contacted by investigators, said it had "recently learned that a decorative accessory attached to the outer packaging of some products may contain elevated amounts of lead, " and it is working with the council to investigate whether a recall is necessary.
Waltham Forest's lead member for housing and development, Councillor Marie Pye, said outer London boroughs did not have space to accommodate people moving out of central London.